X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-vasnprintf-posix.c;h=4fd21c8836bbcf91efd530dc97a0edbc5d374432;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=a8186558750a5dde3cb405abf55a79d736cf004f;hpb=d6f2795056e4d0040cdd6c0962518635e174bce4;p=gnulib.git diff --git a/tests/test-vasnprintf-posix.c b/tests/test-vasnprintf-posix.c index a81865587..4fd21c883 100644 --- a/tests/test-vasnprintf-posix.c +++ b/tests/test-vasnprintf-posix.c @@ -1,10 +1,10 @@ /* Test of POSIX compatible vasnprintf() and asnprintf() functions. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2014 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -12,37 +12,81 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* Written by Bruno Haible , 2007. */ -#ifdef HAVE_CONFIG_H -# include -#endif +#include #include "vasnprintf.h" +#include +#include #include #include #include #include #include -#define ASSERT(expr) if (!(expr)) abort (); +#include "macros.h" +#include "minus-zero.h" +#include "infinity.h" +#include "nan.h" -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static double -NaN () +/* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */ +static int +have_minus_zero () { - static double zero = 0.0; - return zero / zero; + static double plus_zero = 0.0; + double minus_zero = minus_zerod; + return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0; } + +/* Representation of an 80-bit 'long double' as an initializer for a sequence + of 'unsigned int' words. */ +#ifdef WORDS_BIGENDIAN +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \ + ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \ + (unsigned int) (mantlo) << 16 \ + } #else -# define NaN() (0.0 / 0.0) +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { mantlo, manthi, exponent } #endif +static int +strmatch (const char *pattern, const char *string) +{ + if (strlen (pattern) != strlen (string)) + return 0; + for (; *pattern != '\0'; pattern++, string++) + if (*pattern != '*' && *string != *pattern) + return 0; + return 1; +} + +/* Test whether string[start_index..end_index-1] is a valid textual + representation of NaN. */ +static int +strisnan (const char *string, size_t start_index, size_t end_index, int uppercase) +{ + if (start_index < end_index) + { + if (string[start_index] == '-') + start_index++; + if (start_index + 3 <= end_index + && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0) + { + start_index += 3; + if (start_index == end_index + || (string[start_index] == '(' && string[end_index - 1] == ')')) + return 1; + } + } + return 0; +} + static void test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { @@ -73,10 +117,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) ASSERT (strcmp (result, "12345") == 0); ASSERT (length == 5); if (size < 6) - ASSERT (result != buf); - ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0); + ASSERT (result != buf); + ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0); if (result != buf) - free (result); + free (result); } /* Test support of size specifiers as in C99. */ @@ -130,9 +174,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.922p+1 33") == 0 - || strcmp (result, "0x3.244p+0 33") == 0 - || strcmp (result, "0x6.488p-1 33") == 0 - || strcmp (result, "0xc.91p-2 33") == 0); + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -143,9 +187,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 - || strcmp (result, "-0X3.244P+0 33") == 0 - || strcmp (result, "-0X6.488P-1 33") == 0 - || strcmp (result, "-0XC.91P-2 33") == 0); + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -163,9 +207,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%a %d", -0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%a %d", minus_zerod, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0x0p+0 33") == 0); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -173,7 +218,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%a %d", Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "inf 33") == 0); ASSERT (length == strlen (result)); @@ -183,7 +228,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%a %d", - Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-inf 33") == 0); ASSERT (length == strlen (result)); @@ -193,9 +238,11 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%a %d", NaN (), 33, 44, 55); + my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -205,10 +252,11 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) char *result = my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + ASSERT (strcmp (result, "0x1p+0 33") == 0 + || strcmp (result, "0x2p+0 33") == 0 + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -219,9 +267,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -232,9 +280,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.8p+0 33") == 0 - || strcmp (result, "0x3.0p-1 33") == 0 - || strcmp (result, "0x6.1p-2 33") == 0 - || strcmp (result, "0xc.1p-3 33") == 0); + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -245,9 +293,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.83p+0 33") == 0 - || strcmp (result, "0x3.05p-1 33") == 0 - || strcmp (result, "0x6.0ap-2 33") == 0 - || strcmp (result, "0xc.14p-3 33") == 0); + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -258,9 +306,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.829p+0 33") == 0 - || strcmp (result, "0x3.052p-1 33") == 0 - || strcmp (result, "0x6.0a4p-2 33") == 0 - || strcmp (result, "0xc.148p-3 33") == 0); + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -271,23 +319,23 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.800p+0 33") == 0 - || strcmp (result, "0x3.000p-1 33") == 0 - || strcmp (result, "0x6.000p-2 33") == 0 - || strcmp (result, "0xc.000p-3 33") == 0); + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } { /* Rounding can turn a ...FFF into a ...000. - This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */ + This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */ size_t length; char *result = my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.0p+1 33") == 0 - || strcmp (result, "0x2.0p+0 33") == 0 - || strcmp (result, "0x4.0p-1 33") == 0 - || strcmp (result, "0x8.0p-2 33") == 0); + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -298,9 +346,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -311,9 +359,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 - || strcmp (result, "0x3.8000000000p-1 33") == 0 - || strcmp (result, "0x7.0000000000p-2 33") == 0 - || strcmp (result, "0xe.0000000000p-3 33") == 0); + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -324,9 +372,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 - || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 - || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 - || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -337,9 +385,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7p-2 33") == 0 - || strcmp (result, "0xep-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -350,9 +398,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 - || strcmp (result, "+0x3.8p-1 33") == 0 - || strcmp (result, "+0x7p-2 33") == 0 - || strcmp (result, "+0xep-3 33") == 0); + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -363,9 +411,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -376,9 +424,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7.p-2 33") == 0 - || strcmp (result, "0xe.p-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -389,9 +437,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.p+0 33") == 0 - || strcmp (result, "0x2.p-1 33") == 0 - || strcmp (result, "0x4.p-2 33") == 0 - || strcmp (result, "0x8.p-3 33") == 0); + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -402,9 +450,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x001.cp+0 33") == 0 - || strcmp (result, "0x003.8p-1 33") == 0 - || strcmp (result, "0x00007p-2 33") == 0 - || strcmp (result, "0x0000ep-3 33") == 0); + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -412,7 +460,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%010a %d", Infinityd (), 33, 44, 55); ASSERT (result != NULL); /* "0000000inf 33" is not a valid result; see */ @@ -424,11 +472,13 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%010a %d", NaN (), 33, 44, 55); + my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55); ASSERT (result != NULL); /* "0000000nan 33" is not a valid result; see */ - ASSERT (strcmp (result, " nan 33") == 0); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -439,9 +489,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.922p+1 33") == 0 - || strcmp (result, "0x3.244p+0 33") == 0 - || strcmp (result, "0x6.488p-1 33") == 0 - || strcmp (result, "0xc.91p-2 33") == 0); + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -452,9 +502,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 - || strcmp (result, "-0X3.244P+0 33") == 0 - || strcmp (result, "-0X6.488P-1 33") == 0 - || strcmp (result, "-0XC.91P-2 33") == 0); + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -472,9 +522,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%La %d", -0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0x0p+0 33") == 0); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -482,7 +533,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%La %d", Infinityl (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "inf 33") == 0); ASSERT (length == strlen (result)); @@ -492,7 +543,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%La %d", - Infinityl (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-inf 33") == 0); ASSERT (length == strlen (result)); @@ -502,12 +553,115 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%La %d", 0.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#endif { /* Rounding near the decimal point. */ size_t length; @@ -515,9 +669,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -528,9 +682,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -541,9 +695,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.8p+0 33") == 0 - || strcmp (result, "0x3.0p-1 33") == 0 - || strcmp (result, "0x6.1p-2 33") == 0 - || strcmp (result, "0xc.1p-3 33") == 0); + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -554,9 +708,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.83p+0 33") == 0 - || strcmp (result, "0x3.05p-1 33") == 0 - || strcmp (result, "0x6.0ap-2 33") == 0 - || strcmp (result, "0xc.14p-3 33") == 0); + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -567,9 +721,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.829p+0 33") == 0 - || strcmp (result, "0x3.052p-1 33") == 0 - || strcmp (result, "0x6.0a4p-2 33") == 0 - || strcmp (result, "0xc.148p-3 33") == 0); + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -580,24 +734,24 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.800p+0 33") == 0 - || strcmp (result, "0x3.000p-1 33") == 0 - || strcmp (result, "0x6.000p-2 33") == 0 - || strcmp (result, "0xc.000p-3 33") == 0); + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } { /* Rounding can turn a ...FFF into a ...000. - This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a + This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a glibc 2.4 bug . */ size_t length; char *result = my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.0p+1 33") == 0 - || strcmp (result, "0x2.0p+0 33") == 0 - || strcmp (result, "0x4.0p-1 33") == 0 - || strcmp (result, "0x8.0p-2 33") == 0); + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -608,9 +762,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -621,9 +775,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 - || strcmp (result, "0x3.8000000000p-1 33") == 0 - || strcmp (result, "0x7.0000000000p-2 33") == 0 - || strcmp (result, "0xe.0000000000p-3 33") == 0); + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -634,9 +788,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 - || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 - || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 - || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -647,9 +801,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7p-2 33") == 0 - || strcmp (result, "0xep-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -660,9 +814,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 - || strcmp (result, "+0x3.8p-1 33") == 0 - || strcmp (result, "+0x7p-2 33") == 0 - || strcmp (result, "+0xep-3 33") == 0); + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -673,9 +827,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -686,9 +840,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7.p-2 33") == 0 - || strcmp (result, "0xe.p-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -699,9 +853,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x1.p+0 33") == 0 - || strcmp (result, "0x2.p-1 33") == 0 - || strcmp (result, "0x4.p-2 33") == 0 - || strcmp (result, "0x8.p-3 33") == 0); + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -712,9 +866,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0x001.cp+0 33") == 0 - || strcmp (result, "0x003.8p-1 33") == 0 - || strcmp (result, "0x00007p-2 33") == 0 - || strcmp (result, "0x0000ep-3 33") == 0); + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -722,7 +876,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%010La %d", Infinityl (), 33, 44, 55); ASSERT (result != NULL); /* "0000000inf 33" is not a valid result; see */ @@ -734,11 +888,13 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%010La %d", 0.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55); ASSERT (result != NULL); /* "0000000nan 33" is not a valid result; see */ - ASSERT (strcmp (result, " nan 33") == 0); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -765,6 +921,97 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) free (result); } + { /* Small and large positive numbers. */ + static struct { double value; const char *string; } data[] = + { + { 1.234321234321234e-37, "0.000000" }, + { 1.234321234321234e-36, "0.000000" }, + { 1.234321234321234e-35, "0.000000" }, + { 1.234321234321234e-34, "0.000000" }, + { 1.234321234321234e-33, "0.000000" }, + { 1.234321234321234e-32, "0.000000" }, + { 1.234321234321234e-31, "0.000000" }, + { 1.234321234321234e-30, "0.000000" }, + { 1.234321234321234e-29, "0.000000" }, + { 1.234321234321234e-28, "0.000000" }, + { 1.234321234321234e-27, "0.000000" }, + { 1.234321234321234e-26, "0.000000" }, + { 1.234321234321234e-25, "0.000000" }, + { 1.234321234321234e-24, "0.000000" }, + { 1.234321234321234e-23, "0.000000" }, + { 1.234321234321234e-22, "0.000000" }, + { 1.234321234321234e-21, "0.000000" }, + { 1.234321234321234e-20, "0.000000" }, + { 1.234321234321234e-19, "0.000000" }, + { 1.234321234321234e-18, "0.000000" }, + { 1.234321234321234e-17, "0.000000" }, + { 1.234321234321234e-16, "0.000000" }, + { 1.234321234321234e-15, "0.000000" }, + { 1.234321234321234e-14, "0.000000" }, + { 1.234321234321234e-13, "0.000000" }, + { 1.234321234321234e-12, "0.000000" }, + { 1.234321234321234e-11, "0.000000" }, + { 1.234321234321234e-10, "0.000000" }, + { 1.234321234321234e-9, "0.000000" }, + { 1.234321234321234e-8, "0.000000" }, + { 1.234321234321234e-7, "0.000000" }, + { 1.234321234321234e-6, "0.000001" }, + { 1.234321234321234e-5, "0.000012" }, + { 1.234321234321234e-4, "0.000123" }, + { 1.234321234321234e-3, "0.001234" }, + { 1.234321234321234e-2, "0.012343" }, + { 1.234321234321234e-1, "0.123432" }, + { 1.234321234321234, "1.234321" }, + { 1.234321234321234e1, "12.343212" }, + { 1.234321234321234e2, "123.432123" }, + { 1.234321234321234e3, "1234.321234" }, + { 1.234321234321234e4, "12343.212343" }, + { 1.234321234321234e5, "123432.123432" }, + { 1.234321234321234e6, "1234321.234321" }, + { 1.234321234321234e7, "12343212.343212" }, + { 1.234321234321234e8, "123432123.432123" }, + { 1.234321234321234e9, "1234321234.321234" }, + { 1.234321234321234e10, "12343212343.2123**" }, + { 1.234321234321234e11, "123432123432.123***" }, + { 1.234321234321234e12, "1234321234321.23****" }, + { 1.234321234321234e13, "12343212343212.3*****" }, + { 1.234321234321234e14, "123432123432123.******" }, + { 1.234321234321234e15, "1234321234321234.000000" }, + { 1.234321234321234e16, "123432123432123**.000000" }, + { 1.234321234321234e17, "123432123432123***.000000" }, + { 1.234321234321234e18, "123432123432123****.000000" }, + { 1.234321234321234e19, "123432123432123*****.000000" }, + { 1.234321234321234e20, "123432123432123******.000000" }, + { 1.234321234321234e21, "123432123432123*******.000000" }, + { 1.234321234321234e22, "123432123432123********.000000" }, + { 1.234321234321234e23, "123432123432123*********.000000" }, + { 1.234321234321234e24, "123432123432123**********.000000" }, + { 1.234321234321234e25, "123432123432123***********.000000" }, + { 1.234321234321234e26, "123432123432123************.000000" }, + { 1.234321234321234e27, "123432123432123*************.000000" }, + { 1.234321234321234e28, "123432123432123**************.000000" }, + { 1.234321234321234e29, "123432123432123***************.000000" }, + { 1.234321234321234e30, "123432123432123****************.000000" }, + { 1.234321234321234e31, "123432123432123*****************.000000" }, + { 1.234321234321234e32, "123432123432123******************.000000" }, + { 1.234321234321234e33, "123432123432123*******************.000000" }, + { 1.234321234321234e34, "123432123432123********************.000000" }, + { 1.234321234321234e35, "123432123432123*********************.000000" }, + { 1.234321234321234e36, "123432123432123**********************.000000" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%f", data[k].value); + ASSERT (result != NULL); + ASSERT (strmatch (data[k].string, result)); + ASSERT (length == strlen (result)); + free (result); + } + } + { /* A negative number. */ size_t length; char *result = @@ -788,9 +1035,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%f %d", -0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%f %d", minus_zerod, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0.000000 33") == 0); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -798,10 +1046,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%f %d", Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -809,10 +1057,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%f %d", - Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -820,14 +1068,76 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%f %d", NaN (), 33, 44, 55); + my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* FLAG_ZERO. */ + { /* Width. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_LEFT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SHOWSIGN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "+1.750000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SPACE. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "2. 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with finite number. */ size_t length; char *result = my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55); @@ -840,10 +1150,22 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%015f %d", - Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -858,6 +1180,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) free (result); } + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* A positive number. */ size_t length; char *result = @@ -878,6 +1220,97 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) free (result); } + { /* Small and large positive numbers. */ + static struct { long double value; const char *string; } data[] = + { + { 1.234321234321234e-37L, "0.000000" }, + { 1.234321234321234e-36L, "0.000000" }, + { 1.234321234321234e-35L, "0.000000" }, + { 1.234321234321234e-34L, "0.000000" }, + { 1.234321234321234e-33L, "0.000000" }, + { 1.234321234321234e-32L, "0.000000" }, + { 1.234321234321234e-31L, "0.000000" }, + { 1.234321234321234e-30L, "0.000000" }, + { 1.234321234321234e-29L, "0.000000" }, + { 1.234321234321234e-28L, "0.000000" }, + { 1.234321234321234e-27L, "0.000000" }, + { 1.234321234321234e-26L, "0.000000" }, + { 1.234321234321234e-25L, "0.000000" }, + { 1.234321234321234e-24L, "0.000000" }, + { 1.234321234321234e-23L, "0.000000" }, + { 1.234321234321234e-22L, "0.000000" }, + { 1.234321234321234e-21L, "0.000000" }, + { 1.234321234321234e-20L, "0.000000" }, + { 1.234321234321234e-19L, "0.000000" }, + { 1.234321234321234e-18L, "0.000000" }, + { 1.234321234321234e-17L, "0.000000" }, + { 1.234321234321234e-16L, "0.000000" }, + { 1.234321234321234e-15L, "0.000000" }, + { 1.234321234321234e-14L, "0.000000" }, + { 1.234321234321234e-13L, "0.000000" }, + { 1.234321234321234e-12L, "0.000000" }, + { 1.234321234321234e-11L, "0.000000" }, + { 1.234321234321234e-10L, "0.000000" }, + { 1.234321234321234e-9L, "0.000000" }, + { 1.234321234321234e-8L, "0.000000" }, + { 1.234321234321234e-7L, "0.000000" }, + { 1.234321234321234e-6L, "0.000001" }, + { 1.234321234321234e-5L, "0.000012" }, + { 1.234321234321234e-4L, "0.000123" }, + { 1.234321234321234e-3L, "0.001234" }, + { 1.234321234321234e-2L, "0.012343" }, + { 1.234321234321234e-1L, "0.123432" }, + { 1.234321234321234L, "1.234321" }, + { 1.234321234321234e1L, "12.343212" }, + { 1.234321234321234e2L, "123.432123" }, + { 1.234321234321234e3L, "1234.321234" }, + { 1.234321234321234e4L, "12343.212343" }, + { 1.234321234321234e5L, "123432.123432" }, + { 1.234321234321234e6L, "1234321.234321" }, + { 1.234321234321234e7L, "12343212.343212" }, + { 1.234321234321234e8L, "123432123.432123" }, + { 1.234321234321234e9L, "1234321234.321234" }, + { 1.234321234321234e10L, "12343212343.2123**" }, + { 1.234321234321234e11L, "123432123432.123***" }, + { 1.234321234321234e12L, "1234321234321.23****" }, + { 1.234321234321234e13L, "12343212343212.3*****" }, + { 1.234321234321234e14L, "123432123432123.******" }, + { 1.234321234321234e15L, "1234321234321234.000000" }, + { 1.234321234321234e16L, "123432123432123**.000000" }, + { 1.234321234321234e17L, "123432123432123***.000000" }, + { 1.234321234321234e18L, "123432123432123****.000000" }, + { 1.234321234321234e19L, "123432123432123*****.000000" }, + { 1.234321234321234e20L, "123432123432123******.000000" }, + { 1.234321234321234e21L, "123432123432123*******.000000" }, + { 1.234321234321234e22L, "123432123432123********.000000" }, + { 1.234321234321234e23L, "123432123432123*********.000000" }, + { 1.234321234321234e24L, "123432123432123**********.000000" }, + { 1.234321234321234e25L, "123432123432123***********.000000" }, + { 1.234321234321234e26L, "123432123432123************.000000" }, + { 1.234321234321234e27L, "123432123432123*************.000000" }, + { 1.234321234321234e28L, "123432123432123**************.000000" }, + { 1.234321234321234e29L, "123432123432123***************.000000" }, + { 1.234321234321234e30L, "123432123432123****************.000000" }, + { 1.234321234321234e31L, "123432123432123*****************.000000" }, + { 1.234321234321234e32L, "123432123432123******************.000000" }, + { 1.234321234321234e33L, "123432123432123*******************.000000" }, + { 1.234321234321234e34L, "123432123432123********************.000000" }, + { 1.234321234321234e35L, "123432123432123*********************.000000" }, + { 1.234321234321234e36L, "123432123432123**********************.000000" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lf", data[k].value); + ASSERT (result != NULL); + ASSERT (strmatch (data[k].string, result)); + ASSERT (length == strlen (result)); + free (result); + } + } + { /* A negative number. */ size_t length; char *result = @@ -901,9 +1334,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%Lf %d", -0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0.000000 33") == 0); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -911,10 +1345,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", Infinityl (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -922,144 +1356,191 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", - Infinityl (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (length == strlen (result)); free (result); } { /* NaN. */ - static long double zero = 0.0L; size_t length; char *result = - my_asnprintf (NULL, &length, "%Lf %d", zero / zero, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "nan 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - - { /* FLAG_ZERO. */ +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; size_t length; char *result = - my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "00001234.000000 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - - { /* FLAG_ZERO with infinite number. */ + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; size_t length; char *result = - my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - - { /* Precision. */ + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; size_t length; char *result = - my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "1234 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - - /* Test the support of the %F format directive. */ - - { /* A positive number. */ + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "12.750000 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } - - { /* A larger positive number. */ + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "1234567.000000 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } +#endif - { /* A negative number. */ + { /* Width. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55); + my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0.031250 33") == 0); + ASSERT (strcmp (result, " 1.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* Positive zero. */ + { /* FLAG_LEFT. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "0.000000 33") == 0); + ASSERT (strcmp (result, "1.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* Negative zero. */ + { /* FLAG_SHOWSIGN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", -0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0.000000 33") == 0); + ASSERT (strcmp (result, "+1.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* Positive infinity. */ + { /* FLAG_SPACE. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "INF 33") == 0 - || strcmp (result, "INFINITY 33") == 0); + ASSERT (strcmp (result, " 1.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* Negative infinity. */ + { /* FLAG_ALT. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-INF 33") == 0 - || strcmp (result, "-INFINITY 33") == 0); + ASSERT (strcmp (result, "1.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* NaN. */ + { /* FLAG_ALT. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%F %d", NaN (), 33, 44, 55); + my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "NAN 33") == 0); + ASSERT (strcmp (result, "2. 33") == 0); ASSERT (length == strlen (result)); free (result); } - { /* FLAG_ZERO. */ + { /* FLAG_ZERO with finite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "00001234.000000 33") == 0); ASSERT (length == strlen (result)); @@ -1069,10 +1550,22 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%015Lf %d", - Infinityl (), 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, " -INF 33") == 0 - || strcmp (result, " -INFINITY 33") == 0); + ASSERT (strcmp (result, " -inf 33") == 0 + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -1080,17 +1573,39 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Precision. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "1234 33") == 0); ASSERT (length == strlen (result)); free (result); } + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the %F format directive. */ + { /* A positive number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "12.750000 33") == 0); ASSERT (length == strlen (result)); @@ -1100,7 +1615,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* A larger positive number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "1234567.000000 33") == 0); ASSERT (length == strlen (result)); @@ -1110,7 +1625,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* A negative number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-0.031250 33") == 0); ASSERT (length == strlen (result)); @@ -1120,7 +1635,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "0.000000 33") == 0); ASSERT (length == strlen (result)); @@ -1130,9 +1645,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative zero. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", -0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", minus_zerod, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "-0.000000 33") == 0); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -1140,10 +1656,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Positive infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "INF 33") == 0 - || strcmp (result, "INFINITY 33") == 0); + || strcmp (result, "INFINITY 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -1151,21 +1667,22 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Negative infinity. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", - Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "-INF 33") == 0 - || strcmp (result, "-INFINITY 33") == 0); + || strcmp (result, "-INFINITY 33") == 0); ASSERT (length == strlen (result)); free (result); } { /* NaN. */ - static long double zero = 0.0L; size_t length; char *result = - my_asnprintf (NULL, &length, "%LF %d", zero / zero, 33, 44, 55); + my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "NAN 33") == 0); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 1) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -1173,7 +1690,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "00001234.000000 33") == 0); ASSERT (length == strlen (result)); @@ -1183,10 +1700,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%015F %d", - Infinityd (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " -INF 33") == 0 - || strcmp (result, " -INFINITY 33") == 0); + || strcmp (result, " -INFINITY 33") == 0); ASSERT (length == strlen (result)); free (result); } @@ -1194,38 +1711,1998 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { /* Precision. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55); + my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "1234 33") == 0); ASSERT (length == strlen (result)); free (result); } - /* Test the support of the %n format directive. */ - - { - int count = -1; + { /* Precision with no rounding. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55); + my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "123 ") == 0); + ASSERT (strcmp (result, "999.95 33") == 0); ASSERT (length == strlen (result)); - ASSERT (count == 4); free (result); } - /* Test the support of the POSIX/XSI format strings with positions. */ + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } - { + { /* A positive number. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55); + my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "55 33") == 0); + ASSERT (strcmp (result, "12.750000 33") == 0); ASSERT (length == strlen (result)); free (result); } + + { /* A larger positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1234567.000000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A negative number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-0.031250 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0.000000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55); + ASSERT (result != NULL); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "INF 33") == 0 + || strcmp (result, "INFINITY 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-INF 33") == 0 + || strcmp (result, "-INFINITY 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 1) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "00001234.000000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with infinite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015LF %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " -INF 33") == 0 + || strcmp (result, " -INFINITY 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1234 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the %e format directive. */ + + { /* A positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.275000e+01 33") == 0 + || strcmp (result, "1.275000e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A larger positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.234567e+06 33") == 0 + || strcmp (result, "1.234567e+006 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Small and large positive numbers. */ + static struct { double value; const char *string; } data[] = + { + { 1.234321234321234e-37, "1.234321e-37" }, + { 1.234321234321234e-36, "1.234321e-36" }, + { 1.234321234321234e-35, "1.234321e-35" }, + { 1.234321234321234e-34, "1.234321e-34" }, + { 1.234321234321234e-33, "1.234321e-33" }, + { 1.234321234321234e-32, "1.234321e-32" }, + { 1.234321234321234e-31, "1.234321e-31" }, + { 1.234321234321234e-30, "1.234321e-30" }, + { 1.234321234321234e-29, "1.234321e-29" }, + { 1.234321234321234e-28, "1.234321e-28" }, + { 1.234321234321234e-27, "1.234321e-27" }, + { 1.234321234321234e-26, "1.234321e-26" }, + { 1.234321234321234e-25, "1.234321e-25" }, + { 1.234321234321234e-24, "1.234321e-24" }, + { 1.234321234321234e-23, "1.234321e-23" }, + { 1.234321234321234e-22, "1.234321e-22" }, + { 1.234321234321234e-21, "1.234321e-21" }, + { 1.234321234321234e-20, "1.234321e-20" }, + { 1.234321234321234e-19, "1.234321e-19" }, + { 1.234321234321234e-18, "1.234321e-18" }, + { 1.234321234321234e-17, "1.234321e-17" }, + { 1.234321234321234e-16, "1.234321e-16" }, + { 1.234321234321234e-15, "1.234321e-15" }, + { 1.234321234321234e-14, "1.234321e-14" }, + { 1.234321234321234e-13, "1.234321e-13" }, + { 1.234321234321234e-12, "1.234321e-12" }, + { 1.234321234321234e-11, "1.234321e-11" }, + { 1.234321234321234e-10, "1.234321e-10" }, + { 1.234321234321234e-9, "1.234321e-09" }, + { 1.234321234321234e-8, "1.234321e-08" }, + { 1.234321234321234e-7, "1.234321e-07" }, + { 1.234321234321234e-6, "1.234321e-06" }, + { 1.234321234321234e-5, "1.234321e-05" }, + { 1.234321234321234e-4, "1.234321e-04" }, + { 1.234321234321234e-3, "1.234321e-03" }, + { 1.234321234321234e-2, "1.234321e-02" }, + { 1.234321234321234e-1, "1.234321e-01" }, + { 1.234321234321234, "1.234321e+00" }, + { 1.234321234321234e1, "1.234321e+01" }, + { 1.234321234321234e2, "1.234321e+02" }, + { 1.234321234321234e3, "1.234321e+03" }, + { 1.234321234321234e4, "1.234321e+04" }, + { 1.234321234321234e5, "1.234321e+05" }, + { 1.234321234321234e6, "1.234321e+06" }, + { 1.234321234321234e7, "1.234321e+07" }, + { 1.234321234321234e8, "1.234321e+08" }, + { 1.234321234321234e9, "1.234321e+09" }, + { 1.234321234321234e10, "1.234321e+10" }, + { 1.234321234321234e11, "1.234321e+11" }, + { 1.234321234321234e12, "1.234321e+12" }, + { 1.234321234321234e13, "1.234321e+13" }, + { 1.234321234321234e14, "1.234321e+14" }, + { 1.234321234321234e15, "1.234321e+15" }, + { 1.234321234321234e16, "1.234321e+16" }, + { 1.234321234321234e17, "1.234321e+17" }, + { 1.234321234321234e18, "1.234321e+18" }, + { 1.234321234321234e19, "1.234321e+19" }, + { 1.234321234321234e20, "1.234321e+20" }, + { 1.234321234321234e21, "1.234321e+21" }, + { 1.234321234321234e22, "1.234321e+22" }, + { 1.234321234321234e23, "1.234321e+23" }, + { 1.234321234321234e24, "1.234321e+24" }, + { 1.234321234321234e25, "1.234321e+25" }, + { 1.234321234321234e26, "1.234321e+26" }, + { 1.234321234321234e27, "1.234321e+27" }, + { 1.234321234321234e28, "1.234321e+28" }, + { 1.234321234321234e29, "1.234321e+29" }, + { 1.234321234321234e30, "1.234321e+30" }, + { 1.234321234321234e31, "1.234321e+31" }, + { 1.234321234321234e32, "1.234321e+32" }, + { 1.234321234321234e33, "1.234321e+33" }, + { 1.234321234321234e34, "1.234321e+34" }, + { 1.234321234321234e35, "1.234321e+35" }, + { 1.234321234321234e36, "1.234321e+36" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e", data[k].value); + const char *expected = data[k].string; + ASSERT (result != NULL); + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (length == strlen (result)); + free (result); + } + } + + { /* A negative number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-3.125000e-02 33") == 0 + || strcmp (result, "-3.125000e-002 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0.000000e+00 33") == 0 + || strcmp (result, "0.000000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", minus_zerod, 33, 44, 55); + ASSERT (result != NULL); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000e+00 33") == 0 + || strcmp (result, "-0.000000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "inf 33") == 0 + || strcmp (result, "infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", - Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-inf 33") == 0 + || strcmp (result, "-infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Width. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_LEFT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SHOWSIGN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "+1.750000e+00 33") == 0 + || strcmp (result, "+1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SPACE. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "2.e+00 33") == 0 + || strcmp (result, "2.e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with finite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0001.234000e+03 33") == 0 + || strcmp (result, "001.234000e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with infinite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015e %d", - Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " -inf 33") == 0 + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.275000e+01 33") == 0 + || strcmp (result, "1.275000e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A larger positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.234567e+06 33") == 0 + || strcmp (result, "1.234567e+006 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Small and large positive numbers. */ + static struct { long double value; const char *string; } data[] = + { + { 1.234321234321234e-37L, "1.234321e-37" }, + { 1.234321234321234e-36L, "1.234321e-36" }, + { 1.234321234321234e-35L, "1.234321e-35" }, + { 1.234321234321234e-34L, "1.234321e-34" }, + { 1.234321234321234e-33L, "1.234321e-33" }, + { 1.234321234321234e-32L, "1.234321e-32" }, + { 1.234321234321234e-31L, "1.234321e-31" }, + { 1.234321234321234e-30L, "1.234321e-30" }, + { 1.234321234321234e-29L, "1.234321e-29" }, + { 1.234321234321234e-28L, "1.234321e-28" }, + { 1.234321234321234e-27L, "1.234321e-27" }, + { 1.234321234321234e-26L, "1.234321e-26" }, + { 1.234321234321234e-25L, "1.234321e-25" }, + { 1.234321234321234e-24L, "1.234321e-24" }, + { 1.234321234321234e-23L, "1.234321e-23" }, + { 1.234321234321234e-22L, "1.234321e-22" }, + { 1.234321234321234e-21L, "1.234321e-21" }, + { 1.234321234321234e-20L, "1.234321e-20" }, + { 1.234321234321234e-19L, "1.234321e-19" }, + { 1.234321234321234e-18L, "1.234321e-18" }, + { 1.234321234321234e-17L, "1.234321e-17" }, + { 1.234321234321234e-16L, "1.234321e-16" }, + { 1.234321234321234e-15L, "1.234321e-15" }, + { 1.234321234321234e-14L, "1.234321e-14" }, + { 1.234321234321234e-13L, "1.234321e-13" }, + { 1.234321234321234e-12L, "1.234321e-12" }, + { 1.234321234321234e-11L, "1.234321e-11" }, + { 1.234321234321234e-10L, "1.234321e-10" }, + { 1.234321234321234e-9L, "1.234321e-09" }, + { 1.234321234321234e-8L, "1.234321e-08" }, + { 1.234321234321234e-7L, "1.234321e-07" }, + { 1.234321234321234e-6L, "1.234321e-06" }, + { 1.234321234321234e-5L, "1.234321e-05" }, + { 1.234321234321234e-4L, "1.234321e-04" }, + { 1.234321234321234e-3L, "1.234321e-03" }, + { 1.234321234321234e-2L, "1.234321e-02" }, + { 1.234321234321234e-1L, "1.234321e-01" }, + { 1.234321234321234L, "1.234321e+00" }, + { 1.234321234321234e1L, "1.234321e+01" }, + { 1.234321234321234e2L, "1.234321e+02" }, + { 1.234321234321234e3L, "1.234321e+03" }, + { 1.234321234321234e4L, "1.234321e+04" }, + { 1.234321234321234e5L, "1.234321e+05" }, + { 1.234321234321234e6L, "1.234321e+06" }, + { 1.234321234321234e7L, "1.234321e+07" }, + { 1.234321234321234e8L, "1.234321e+08" }, + { 1.234321234321234e9L, "1.234321e+09" }, + { 1.234321234321234e10L, "1.234321e+10" }, + { 1.234321234321234e11L, "1.234321e+11" }, + { 1.234321234321234e12L, "1.234321e+12" }, + { 1.234321234321234e13L, "1.234321e+13" }, + { 1.234321234321234e14L, "1.234321e+14" }, + { 1.234321234321234e15L, "1.234321e+15" }, + { 1.234321234321234e16L, "1.234321e+16" }, + { 1.234321234321234e17L, "1.234321e+17" }, + { 1.234321234321234e18L, "1.234321e+18" }, + { 1.234321234321234e19L, "1.234321e+19" }, + { 1.234321234321234e20L, "1.234321e+20" }, + { 1.234321234321234e21L, "1.234321e+21" }, + { 1.234321234321234e22L, "1.234321e+22" }, + { 1.234321234321234e23L, "1.234321e+23" }, + { 1.234321234321234e24L, "1.234321e+24" }, + { 1.234321234321234e25L, "1.234321e+25" }, + { 1.234321234321234e26L, "1.234321e+26" }, + { 1.234321234321234e27L, "1.234321e+27" }, + { 1.234321234321234e28L, "1.234321e+28" }, + { 1.234321234321234e29L, "1.234321e+29" }, + { 1.234321234321234e30L, "1.234321e+30" }, + { 1.234321234321234e31L, "1.234321e+31" }, + { 1.234321234321234e32L, "1.234321e+32" }, + { 1.234321234321234e33L, "1.234321e+33" }, + { 1.234321234321234e34L, "1.234321e+34" }, + { 1.234321234321234e35L, "1.234321e+35" }, + { 1.234321234321234e36L, "1.234321e+36" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le", data[k].value); + const char *expected = data[k].string; + ASSERT (result != NULL); + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (length == strlen (result)); + free (result); + } + } + + { /* A negative number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-3.125000e-02 33") == 0 + || strcmp (result, "-3.125000e-002 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0.000000e+00 33") == 0 + || strcmp (result, "0.000000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55); + ASSERT (result != NULL); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0.000000e+00 33") == 0 + || strcmp (result, "-0.000000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "inf 33") == 0 + || strcmp (result, "infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-inf 33") == 0 + || strcmp (result, "-infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#endif + + { /* Width. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_LEFT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SHOWSIGN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "+1.750000e+00 33") == 0 + || strcmp (result, "+1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SPACE. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "2.e+00 33") == 0 + || strcmp (result, "2.e+000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with finite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0001.234000e+03 33") == 0 + || strcmp (result, "001.234000e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with infinite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015Le %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " -inf 33") == 0 + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the %g format directive. */ + + { /* A positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A larger positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.23457e+06 33") == 0 + || strcmp (result, "1.23457e+006 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Small and large positive numbers. */ + static struct { double value; const char *string; } data[] = + { + { 1.234321234321234e-37, "1.23432e-37" }, + { 1.234321234321234e-36, "1.23432e-36" }, + { 1.234321234321234e-35, "1.23432e-35" }, + { 1.234321234321234e-34, "1.23432e-34" }, + { 1.234321234321234e-33, "1.23432e-33" }, + { 1.234321234321234e-32, "1.23432e-32" }, + { 1.234321234321234e-31, "1.23432e-31" }, + { 1.234321234321234e-30, "1.23432e-30" }, + { 1.234321234321234e-29, "1.23432e-29" }, + { 1.234321234321234e-28, "1.23432e-28" }, + { 1.234321234321234e-27, "1.23432e-27" }, + { 1.234321234321234e-26, "1.23432e-26" }, + { 1.234321234321234e-25, "1.23432e-25" }, + { 1.234321234321234e-24, "1.23432e-24" }, + { 1.234321234321234e-23, "1.23432e-23" }, + { 1.234321234321234e-22, "1.23432e-22" }, + { 1.234321234321234e-21, "1.23432e-21" }, + { 1.234321234321234e-20, "1.23432e-20" }, + { 1.234321234321234e-19, "1.23432e-19" }, + { 1.234321234321234e-18, "1.23432e-18" }, + { 1.234321234321234e-17, "1.23432e-17" }, + { 1.234321234321234e-16, "1.23432e-16" }, + { 1.234321234321234e-15, "1.23432e-15" }, + { 1.234321234321234e-14, "1.23432e-14" }, + { 1.234321234321234e-13, "1.23432e-13" }, + { 1.234321234321234e-12, "1.23432e-12" }, + { 1.234321234321234e-11, "1.23432e-11" }, + { 1.234321234321234e-10, "1.23432e-10" }, + { 1.234321234321234e-9, "1.23432e-09" }, + { 1.234321234321234e-8, "1.23432e-08" }, + { 1.234321234321234e-7, "1.23432e-07" }, + { 1.234321234321234e-6, "1.23432e-06" }, + { 1.234321234321234e-5, "1.23432e-05" }, + { 1.234321234321234e-4, "0.000123432" }, + { 1.234321234321234e-3, "0.00123432" }, + { 1.234321234321234e-2, "0.0123432" }, + { 1.234321234321234e-1, "0.123432" }, + { 1.234321234321234, "1.23432" }, + { 1.234321234321234e1, "12.3432" }, + { 1.234321234321234e2, "123.432" }, + { 1.234321234321234e3, "1234.32" }, + { 1.234321234321234e4, "12343.2" }, + { 1.234321234321234e5, "123432" }, + { 1.234321234321234e6, "1.23432e+06" }, + { 1.234321234321234e7, "1.23432e+07" }, + { 1.234321234321234e8, "1.23432e+08" }, + { 1.234321234321234e9, "1.23432e+09" }, + { 1.234321234321234e10, "1.23432e+10" }, + { 1.234321234321234e11, "1.23432e+11" }, + { 1.234321234321234e12, "1.23432e+12" }, + { 1.234321234321234e13, "1.23432e+13" }, + { 1.234321234321234e14, "1.23432e+14" }, + { 1.234321234321234e15, "1.23432e+15" }, + { 1.234321234321234e16, "1.23432e+16" }, + { 1.234321234321234e17, "1.23432e+17" }, + { 1.234321234321234e18, "1.23432e+18" }, + { 1.234321234321234e19, "1.23432e+19" }, + { 1.234321234321234e20, "1.23432e+20" }, + { 1.234321234321234e21, "1.23432e+21" }, + { 1.234321234321234e22, "1.23432e+22" }, + { 1.234321234321234e23, "1.23432e+23" }, + { 1.234321234321234e24, "1.23432e+24" }, + { 1.234321234321234e25, "1.23432e+25" }, + { 1.234321234321234e26, "1.23432e+26" }, + { 1.234321234321234e27, "1.23432e+27" }, + { 1.234321234321234e28, "1.23432e+28" }, + { 1.234321234321234e29, "1.23432e+29" }, + { 1.234321234321234e30, "1.23432e+30" }, + { 1.234321234321234e31, "1.23432e+31" }, + { 1.234321234321234e32, "1.23432e+32" }, + { 1.234321234321234e33, "1.23432e+33" }, + { 1.234321234321234e34, "1.23432e+34" }, + { 1.234321234321234e35, "1.23432e+35" }, + { 1.234321234321234e36, "1.23432e+36" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g", data[k].value); + const char *expected = data[k].string; + ASSERT (result != NULL); + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (expected[strlen (expected) - 4] == 'e' + && strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (length == strlen (result)); + free (result); + } + } + + { /* A negative number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-0.03125 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", minus_zerod, 33, 44, 55); + ASSERT (result != NULL); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "inf 33") == 0 + || strcmp (result, "infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", - Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-inf 33") == 0 + || strcmp (result, "-infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Width. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_LEFT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SHOWSIGN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "+1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SPACE. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.75000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "2. 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with finite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0000001234 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with infinite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015g %d", - Infinityd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " -inf 33") == 0 + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* A larger positive number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.23457e+06 33") == 0 + || strcmp (result, "1.23457e+006 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Small and large positive numbers. */ + static struct { long double value; const char *string; } data[] = + { + { 1.234321234321234e-37L, "1.23432e-37" }, + { 1.234321234321234e-36L, "1.23432e-36" }, + { 1.234321234321234e-35L, "1.23432e-35" }, + { 1.234321234321234e-34L, "1.23432e-34" }, + { 1.234321234321234e-33L, "1.23432e-33" }, + { 1.234321234321234e-32L, "1.23432e-32" }, + { 1.234321234321234e-31L, "1.23432e-31" }, + { 1.234321234321234e-30L, "1.23432e-30" }, + { 1.234321234321234e-29L, "1.23432e-29" }, + { 1.234321234321234e-28L, "1.23432e-28" }, + { 1.234321234321234e-27L, "1.23432e-27" }, + { 1.234321234321234e-26L, "1.23432e-26" }, + { 1.234321234321234e-25L, "1.23432e-25" }, + { 1.234321234321234e-24L, "1.23432e-24" }, + { 1.234321234321234e-23L, "1.23432e-23" }, + { 1.234321234321234e-22L, "1.23432e-22" }, + { 1.234321234321234e-21L, "1.23432e-21" }, + { 1.234321234321234e-20L, "1.23432e-20" }, + { 1.234321234321234e-19L, "1.23432e-19" }, + { 1.234321234321234e-18L, "1.23432e-18" }, + { 1.234321234321234e-17L, "1.23432e-17" }, + { 1.234321234321234e-16L, "1.23432e-16" }, + { 1.234321234321234e-15L, "1.23432e-15" }, + { 1.234321234321234e-14L, "1.23432e-14" }, + { 1.234321234321234e-13L, "1.23432e-13" }, + { 1.234321234321234e-12L, "1.23432e-12" }, + { 1.234321234321234e-11L, "1.23432e-11" }, + { 1.234321234321234e-10L, "1.23432e-10" }, + { 1.234321234321234e-9L, "1.23432e-09" }, + { 1.234321234321234e-8L, "1.23432e-08" }, + { 1.234321234321234e-7L, "1.23432e-07" }, + { 1.234321234321234e-6L, "1.23432e-06" }, + { 1.234321234321234e-5L, "1.23432e-05" }, + { 1.234321234321234e-4L, "0.000123432" }, + { 1.234321234321234e-3L, "0.00123432" }, + { 1.234321234321234e-2L, "0.0123432" }, + { 1.234321234321234e-1L, "0.123432" }, + { 1.234321234321234L, "1.23432" }, + { 1.234321234321234e1L, "12.3432" }, + { 1.234321234321234e2L, "123.432" }, + { 1.234321234321234e3L, "1234.32" }, + { 1.234321234321234e4L, "12343.2" }, + { 1.234321234321234e5L, "123432" }, + { 1.234321234321234e6L, "1.23432e+06" }, + { 1.234321234321234e7L, "1.23432e+07" }, + { 1.234321234321234e8L, "1.23432e+08" }, + { 1.234321234321234e9L, "1.23432e+09" }, + { 1.234321234321234e10L, "1.23432e+10" }, + { 1.234321234321234e11L, "1.23432e+11" }, + { 1.234321234321234e12L, "1.23432e+12" }, + { 1.234321234321234e13L, "1.23432e+13" }, + { 1.234321234321234e14L, "1.23432e+14" }, + { 1.234321234321234e15L, "1.23432e+15" }, + { 1.234321234321234e16L, "1.23432e+16" }, + { 1.234321234321234e17L, "1.23432e+17" }, + { 1.234321234321234e18L, "1.23432e+18" }, + { 1.234321234321234e19L, "1.23432e+19" }, + { 1.234321234321234e20L, "1.23432e+20" }, + { 1.234321234321234e21L, "1.23432e+21" }, + { 1.234321234321234e22L, "1.23432e+22" }, + { 1.234321234321234e23L, "1.23432e+23" }, + { 1.234321234321234e24L, "1.23432e+24" }, + { 1.234321234321234e25L, "1.23432e+25" }, + { 1.234321234321234e26L, "1.23432e+26" }, + { 1.234321234321234e27L, "1.23432e+27" }, + { 1.234321234321234e28L, "1.23432e+28" }, + { 1.234321234321234e29L, "1.23432e+29" }, + { 1.234321234321234e30L, "1.23432e+30" }, + { 1.234321234321234e31L, "1.23432e+31" }, + { 1.234321234321234e32L, "1.23432e+32" }, + { 1.234321234321234e33L, "1.23432e+33" }, + { 1.234321234321234e34L, "1.23432e+34" }, + { 1.234321234321234e35L, "1.23432e+35" }, + { 1.234321234321234e36L, "1.23432e+36" } + }; + size_t k; + for (k = 0; k < SIZEOF (data); k++) + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg", data[k].value); + const char *expected = data[k].string; + ASSERT (result != NULL); + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (expected[strlen (expected) - 4] == 'e' + && strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (length == strlen (result)); + free (result); + } + } + + { /* A negative number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-0.03125 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative zero. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55); + ASSERT (result != NULL); + if (have_minus_zero ()) + ASSERT (strcmp (result, "-0 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Positive infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "inf 33") == 0 + || strcmp (result, "infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Negative infinity. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "-inf 33") == 0 + || strcmp (result, "-infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#endif + + { /* Width. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_LEFT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SHOWSIGN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "+1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_SPACE. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " 1.75 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.75000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "2. 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ALT. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with finite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "0000001234 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with infinite number. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%015Lg %d", - Infinityl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, " -inf 33") == 0 + || strcmp (result, " -infinity 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* FLAG_ZERO with NaN. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with no rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { /* Precision with rounding. */ + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1000 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the %n format directive. */ + + { + int count = -1; + size_t length; + char *result = + my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "123 ") == 0); + ASSERT (length == strlen (result)); + ASSERT (count == 4); + free (result); + } + + /* Test the support of the POSIX/XSI format strings with positions. */ + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55); + ASSERT (result != NULL); + ASSERT (strcmp (result, "55 33") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the grouping flag. */ + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%'d %d", 1234567, 99); + ASSERT (result != NULL); + ASSERT (result[strlen (result) - 1] == '9'); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the left-adjust flag. */ + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "a%*sc", -3, "b"); + ASSERT (result != NULL); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "a%-*sc", 3, "b"); + ASSERT (result != NULL); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "a%-*sc", -3, "b"); + ASSERT (result != NULL); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of large precision. */ + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99); + size_t i; + ASSERT (result != NULL); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99); + size_t i; + ASSERT (result != NULL); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99); + size_t i; + ASSERT (result != NULL); + ASSERT (result[0] == '-'); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[1 + i] == '0'); + ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99); + size_t i; + ASSERT (result != NULL); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99); + size_t i; + ASSERT (result != NULL); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99); + size_t i; + ASSERT (result != NULL); + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99); + size_t i; + ASSERT (result != NULL); + ASSERT (result[0] == '0'); + ASSERT (result[1] == 'x'); + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.4000f %d", 1.0, 99); + size_t i; + ASSERT (result != NULL); + ASSERT (result[0] == '1'); + ASSERT (result[1] == '.'); + for (i = 0; i < 4000; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 4000, " 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%.511f %d", 1.0, 99); + size_t i; + ASSERT (result != NULL); + ASSERT (result[0] == '1'); + ASSERT (result[1] == '.'); + for (i = 0; i < 511; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 511, " 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + { + char input[5000]; + size_t length; + char *result; + size_t i; + + for (i = 0; i < sizeof (input) - 1; i++) + input[i] = 'a' + ((1000000 / (i + 1)) % 26); + input[i] = '\0'; + result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99); + ASSERT (result != NULL); + ASSERT (memcmp (result, input, 4000) == 0); + ASSERT (strcmp (result + 4000, " 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } + + /* Test the support of the %s format directive. */ + + /* To verify that these tests succeed, it is necessary to run them under + a tool that checks against invalid memory accesses, such as ElectricFence + or "valgrind --tool=memcheck". */ + { + size_t i; + + for (i = 1; i <= 8; i++) + { + char *block; + size_t length; + char *result; + + block = (char *) malloc (i); + memcpy (block, "abcdefgh", i); + result = my_asnprintf (NULL, &length, "%.*s", (int) i, block); + ASSERT (result != NULL); + ASSERT (memcmp (result, block, i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (length == strlen (result)); + free (result); + free (block); + } + } +#if HAVE_WCHAR_T + { + size_t i; + + for (i = 1; i <= 8; i++) + { + wchar_t *block; + size_t j; + size_t length; + char *result; + + block = (wchar_t *) malloc (i * sizeof (wchar_t)); + for (j = 0; j < i; j++) + block[j] = "abcdefgh"[j]; + result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block); + ASSERT (result != NULL); + ASSERT (memcmp (result, "abcdefgh", i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (length == strlen (result)); + free (result); + free (block); + } + } +#endif + +#if HAVE_WCHAR_T + /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */ + { + static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; + size_t length; + char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99); + if (result == NULL) + ASSERT (errno == EILSEQ); + else + free (result); + } + { + static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; + size_t length; + char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99); + if (result == NULL) + ASSERT (errno == EILSEQ); + else + free (result); + } + { + static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; + size_t length; + char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99); + if (result == NULL) + ASSERT (errno == EILSEQ); + else + free (result); + } + { + static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; + size_t length; + char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99); + if (result == NULL) + ASSERT (errno == EILSEQ); + else + free (result); + } +#endif + +#if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__ + /* Test that the 'I' flag is supported. */ + { + size_t length; + char *result = + my_asnprintf (NULL, &length, "%Id %d", 1234567, 99); + ASSERT (result != NULL); + ASSERT (strcmp (result, "1234567 99") == 0); + ASSERT (length == strlen (result)); + free (result); + } +#endif } static char *