/* Test of POSIX compatible vsnprintf() and snprintf() functions.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 Free Software Foundation, Inc.
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
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+#include "minus-zero.h"
+#include "infinity.h"
#include "nan.h"
/* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
have_minus_zero ()
{
static double plus_zero = 0.0;
- double minus_zero = - plus_zero;
+ double minus_zero = minus_zerod;
return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
}
-/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
- So we use -zerod instead. */
-double zerod = 0.0;
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
- So we use minus_zerol instead.
- IRIX cc can't put -0.0L into .data, but can compute at runtime.
- Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
- platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zerol (void)
-{
- return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zerol compute_minus_zerol ()
-#else
-long double minus_zerol = -0.0L;
-#endif
-
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
#ifdef WORDS_BIGENDIAN
ASSERT (memcmp (buf, "12345", size - 1) == 0);
ASSERT (buf[size - 1] == '\0');
}
- ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
+ ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
}
else
{
{ /* Negative zero. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%a %d", -zerod, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%a %d", minus_zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%a %d", Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%a %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0);
ASSERT (retval == strlen (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. */
char result[100];
int retval =
my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%010a %d", Infinityd (), 33, 44, 55);
/* "0000000inf 33" is not a valid result; see
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
ASSERT (strcmp (result, " inf 33") == 0);
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%La %d", Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0);
ASSERT (retval == strlen (result));
}
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%La %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0);
ASSERT (retval == strlen (result));
}
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (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_))
+#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) };
}
{ /* 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 <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
char result[100];
int retval =
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%010La %d", Infinityl (), 33, 44, 55);
/* "0000000inf 33" is not a valid result; see
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
ASSERT (strcmp (result, " inf 33") == 0);
{ /* Negative zero. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%f %d", -zerod, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%f %d", minus_zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%f %d", Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%f %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015f %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Lf %d", Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Lf %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (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_))
+#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) };
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015Lf %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative zero. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%F %d", -zerod, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%F %d", minus_zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%F %d", Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "INF 33") == 0
|| strcmp (result, "INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%F %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "-INF 33") == 0
|| strcmp (result, "-INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015F %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, " -INF 33") == 0
|| strcmp (result, " -INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%LF %d", Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "INF 33") == 0
|| strcmp (result, "INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%LF %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "-INF 33") == 0
|| strcmp (result, "-INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015LF %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, " -INF 33") == 0
|| strcmp (result, " -INFINITY 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative zero. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%e %d", -zerod, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%e %d", minus_zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000e+00 33") == 0
|| strcmp (result, "-0.000000e+000 33") == 0);
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%e %d", Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%e %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015e %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Le %d", Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Le %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (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_))
+#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) };
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015Le %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative zero. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%g %d", -zerod, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%g %d", minus_zerod, 33, 44, 55);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%g %d", Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%g %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015g %d", - Infinityd (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Positive infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Lg %d", Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "inf 33") == 0
|| strcmp (result, "infinity 33") == 0);
ASSERT (retval == strlen (result));
{ /* Negative infinity. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%Lg %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, "-inf 33") == 0
|| strcmp (result, "-infinity 33") == 0);
ASSERT (retval == strlen (result));
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (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_))
+#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) };
{ /* FLAG_ZERO with infinite number. */
char result[100];
int retval =
- my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
+ my_snprintf (result, sizeof (result), "%015Lg %d", - Infinityl (), 33, 44, 55);
ASSERT (strcmp (result, " -inf 33") == 0
|| strcmp (result, " -infinity 33") == 0);
ASSERT (retval == strlen (result));
}
{
+ char result[5000];
+ int retval =
+ my_snprintf (result, sizeof (result), "%.4000f %d", 1.0, 99);
+ size_t i;
+ 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 (retval == strlen (result));
+ }
+
+ {
+ char result[1000];
+ int retval =
+ my_snprintf (result, sizeof (result), "%.511f %d", 1.0, 99);
+ size_t i;
+ 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 (retval == strlen (result));
+ }
+
+ {
char input[5000];
char result[5000];
int retval;