-# printf.m4 serial 39
-dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc.
+# printf.m4 serial 50
+dnl Copyright (C) 2003, 2007-2014 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
static char buf[100];
int main ()
{
+ int result = 0;
#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX
buf[0] = '\0';
if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0
|| strcmp (buf, "12345671 33") != 0)
- return 1;
+ result |= 1;
#endif
buf[0] = '\0';
if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0
|| strcmp (buf, "12345672 33") != 0)
- return 1;
+ result |= 2;
buf[0] = '\0';
if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
|| strcmp (buf, "12345673 33") != 0)
- return 1;
+ result |= 4;
buf[0] = '\0';
if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
|| strcmp (buf, "1.5 33") != 0)
- return 1;
- return 0;
+ result |= 8;
+ return result;
}]])],
[gl_cv_func_printf_sizes_c99=yes],
[gl_cv_func_printf_sizes_c99=no],
# Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
# Guess yes on OpenBSD >= 3.9.
gl_cv_func_printf_sizes_c99="guessing no";;
openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
# Guess yes on Solaris >= 2.10.
- solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";;
- solaris*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
# Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_printf_sizes_c99="guessing no";;
static char buf[10000];
int main ()
{
+ int result = 0;
buf[0] = '\0';
if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
|| strcmp (buf, "1.750000 33") != 0)
- return 1;
+ result |= 1;
buf[0] = '\0';
if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
|| strcmp (buf, "1.750000e+00 33") != 0)
- return 1;
+ result |= 2;
buf[0] = '\0';
if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
|| strcmp (buf, "1.75 33") != 0)
- return 1;
- return 0;
+ result |= 4;
+ return result;
}]])],
[gl_cv_func_printf_long_double=yes],
[gl_cv_func_printf_long_double=no],
static double zero = 0.0;
int main ()
{
- if (sprintf (buf, "%f", 1.0 / 0.0) < 0
+ int result = 0;
+ if (sprintf (buf, "%f", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%f", -1.0 / 0.0) < 0
+ result |= 1;
+ if (sprintf (buf, "%f", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 1;
if (sprintf (buf, "%f", zero / zero) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
- if (sprintf (buf, "%e", 1.0 / 0.0) < 0
+ result |= 2;
+ if (sprintf (buf, "%e", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%e", -1.0 / 0.0) < 0
+ result |= 4;
+ if (sprintf (buf, "%e", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 4;
if (sprintf (buf, "%e", zero / zero) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
- if (sprintf (buf, "%g", 1.0 / 0.0) < 0
+ result |= 8;
+ if (sprintf (buf, "%g", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%g", -1.0 / 0.0) < 0
+ result |= 16;
+ if (sprintf (buf, "%g", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 16;
if (sprintf (buf, "%g", zero / zero) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 32;
/* This test fails on HP-UX 10.20. */
if (have_minus_zero ())
if (sprintf (buf, "%g", - zero) < 0
|| strcmp (buf, "-0") != 0)
- return 1;
- return 0;
+ result |= 64;
+ return result;
}]])],
[gl_cv_func_printf_infinite=yes],
[gl_cv_func_printf_infinite=no],
# Guess yes on FreeBSD >= 6.
freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
darwin*) gl_cv_func_printf_infinite="guessing yes";;
# Guess yes on HP-UX >= 11.
AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gl_BIGENDIAN])
+ AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
dnl The user can set or unset the variable gl_printf_safe to indicate
dnl that he wishes a safe handling of non-IEEE-754 'long double' values.
static long double zeroL = 0.0L;
int main ()
{
+ int result = 0;
nocrash_init();
- if (sprintf (buf, "%Lf", 1.0L / 0.0L) < 0
+ if (sprintf (buf, "%Lf", 1.0L / zeroL) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%Lf", -1.0L / 0.0L) < 0
+ result |= 1;
+ if (sprintf (buf, "%Lf", -1.0L / zeroL) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 1;
if (sprintf (buf, "%Lf", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
- if (sprintf (buf, "%Le", 1.0L / 0.0L) < 0
+ result |= 1;
+ if (sprintf (buf, "%Le", 1.0L / zeroL) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%Le", -1.0L / 0.0L) < 0
+ result |= 1;
+ if (sprintf (buf, "%Le", -1.0L / zeroL) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 1;
if (sprintf (buf, "%Le", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
- if (sprintf (buf, "%Lg", 1.0L / 0.0L) < 0
+ result |= 1;
+ if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%Lg", -1.0L / 0.0L) < 0
+ result |= 1;
+ if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
+ result |= 1;
if (sprintf (buf, "%Lg", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
-#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_))
+ result |= 1;
+#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
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
# ifdef WORDS_BIGENDIAN
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
}
{
/* Signalling NaN. */
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 2;
}
{ /* Pseudo-NaN. */
static union { unsigned int word[4]; long double value; } x =
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 4;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 4;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 4;
}
{ /* Pseudo-Infinity. */
static union { unsigned int word[4]; long double value; } x =
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 8;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 8;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 8;
}
{ /* Pseudo-Zero. */
static union { unsigned int word[4]; long double value; } x =
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 16;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 16;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 16;
}
{ /* Unnormalized number. */
static union { unsigned int word[4]; long double value; } x =
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 32;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 32;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 32;
}
{ /* Pseudo-Denormal. */
static union { unsigned int word[4]; long double value; } x =
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
if (sprintf (buf, "%Lf", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 64;
if (sprintf (buf, "%Le", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 64;
if (sprintf (buf, "%Lg", x.value) < 0
|| !strisnan (buf, 0, strlen (buf)))
- return 1;
+ result |= 64;
}
#endif
- return 0;
+ return result;
}]])],
[gl_cv_func_printf_infinite_long_double=yes],
[gl_cv_func_printf_infinite_long_double=no],
#include <stdio.h>
#include <string.h>
static char buf[100];
+static double zero = 0.0;
int main ()
{
+ int result = 0;
if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0
|| (strcmp (buf, "0x1.922p+1 33") != 0
&& strcmp (buf, "0x3.244p+0 33") != 0
&& strcmp (buf, "0x6.488p-1 33") != 0
&& strcmp (buf, "0xc.91p-2 33") != 0))
- return 1;
+ result |= 1;
if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0
|| (strcmp (buf, "-0X1.922P+1 33") != 0
&& strcmp (buf, "-0X3.244P+0 33") != 0
&& strcmp (buf, "-0X6.488P-1 33") != 0
&& strcmp (buf, "-0XC.91P-2 33") != 0))
- return 1;
+ result |= 2;
/* This catches a FreeBSD 6.1 bug: it doesn't round. */
if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
|| (strcmp (buf, "0x1.83p+0 33") != 0
&& strcmp (buf, "0x3.05p-1 33") != 0
&& strcmp (buf, "0x6.0ap-2 33") != 0
&& strcmp (buf, "0xc.14p-3 33") != 0))
- return 1;
+ result |= 4;
/* This catches a FreeBSD 6.1 bug. See
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
- if (sprintf (buf, "%010a %d", 1.0 / 0.0, 33, 44, 55) < 0
+ if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0
|| buf[0] == '0')
- return 1;
- /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */
+ result |= 8;
+ /* This catches a Mac OS X 10.3.9 (Darwin 7.9) bug. */
if (sprintf (buf, "%.1a", 1.999) < 0
|| (strcmp (buf, "0x1.0p+1") != 0
&& strcmp (buf, "0x2.0p+0") != 0
&& strcmp (buf, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
- return 1;
- /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a
+ result |= 16;
+ /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a
glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
if (sprintf (buf, "%.1La", 1.999L) < 0
|| (strcmp (buf, "0x1.0p+1") != 0
&& strcmp (buf, "0x2.0p+0") != 0
&& strcmp (buf, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
- return 1;
- return 0;
+ result |= 32;
+ return result;
}]])],
[gl_cv_func_printf_directive_a=yes],
[gl_cv_func_printf_directive_a=no],
#include <stdio.h>
#include <string.h>
static char buf[100];
+static double zero = 0.0;
int main ()
{
+ int result = 0;
if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0
|| strcmp (buf, "1234567.000000 33") != 0)
- return 1;
- if (sprintf (buf, "%F", 1.0 / 0.0) < 0
+ result |= 1;
+ if (sprintf (buf, "%F", 1.0 / zero) < 0
|| (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
- return 1;
+ result |= 2;
/* This catches a Cygwin 1.5.x bug. */
if (sprintf (buf, "%.F", 1234.0) < 0
|| strcmp (buf, "1234") != 0)
- return 1;
- return 0;
+ result |= 4;
+ return result;
}]])],
[gl_cv_func_printf_directive_f=yes],
[gl_cv_func_printf_directive_f=no],
# Guess yes on FreeBSD >= 6.
freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
darwin*) gl_cv_func_printf_directive_f="guessing yes";;
# Guess yes on Solaris >= 2.10.
- solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";;
- solaris*) gl_cv_func_printf_directive_f="guessing yes";;
+ solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
# If we don't know, assume the worst.
*) gl_cv_func_printf_directive_f="guessing no";;
esac
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#ifdef _MSC_VER
+/* See page about "Parameter Validation" on msdn.microsoft.com. */
+static void cdecl
+invalid_parameter_handler (const wchar_t *expression,
+ const wchar_t *function,
+ const wchar_t *file, unsigned int line,
+ uintptr_t dummy)
+{
+ exit (1);
+}
+#endif
static char fmtstring[10];
static char buf[100];
int main ()
{
int count = -1;
+#ifdef _MSC_VER
+ _set_invalid_parameter_handler (invalid_parameter_handler);
+#endif
/* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2)
support %n in format strings in read-only memory but not in writable
memory. */
[
changequote(,)dnl
case "$host_os" in
- *) gl_cv_func_printf_directive_n="guessing yes";;
+ mingw*) gl_cv_func_printf_directive_n="guessing no";;
+ *) gl_cv_func_printf_directive_n="guessing yes";;
esac
changequote([,])dnl
])
#include <string.h>
int main ()
{
+ int result = 0;
char buf[100];
/* Test whether %ls works at all.
This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on
buf[0] = '\0';
if (sprintf (buf, "%ls", wstring) < 0
|| strcmp (buf, "abc") != 0)
- return 1;
+ result |= 1;
}
/* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an
assertion failure inside libc), but not on OpenBSD 4.0. */
buf[0] = '\0';
if (sprintf (buf, "%ls", wstring) < 0
|| strcmp (buf, "a") != 0)
- return 1;
+ result |= 2;
}
/* Test whether precisions in %ls are supported as specified in ISO C 99
section 7.19.6.1:
buf[0] = '\0';
if (sprintf (buf, "%.2ls", wstring) < 0
|| strcmp (buf, "ab") != 0)
- return 1;
+ result |= 8;
}
- return 0;
+ return result;
}]])],
[gl_cv_func_printf_directive_ls=yes],
[gl_cv_func_printf_directive_ls=no],
#include <stdio.h>
#include <string.h>
static char buf[100];
+static double zero = 0.0;
int main ()
{
- if (sprintf (buf, "%010f", 1.0 / 0.0, 33, 44, 55) < 0
+ if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0
|| (strcmp (buf, " inf") != 0
&& strcmp (buf, " infinity") != 0))
return 1;
dnl Test whether the *printf family of functions supports large precisions.
dnl On mingw, precisions larger than 512 are treated like 512, in integer,
dnl floating-point or pointer output. On Solaris 10/x86, precisions larger
-dnl than 510 in floating-point output crash the program. On BeOS, precisions
-dnl larger than 1044 crash the program.
+dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC,
+dnl precisions larger than 510 in floating-point output yield wrong results.
+dnl On AIX 7.1, precisions larger than 998 in floating-point output yield
+dnl wrong results. On BeOS, precisions larger than 1044 crash the program.
dnl Result is gl_cv_func_printf_precision.
AC_DEFUN([gl_PRINTF_PRECISION],
static char buf[5000];
int main ()
{
+ int result = 0;
#ifdef __BEOS__
/* On BeOS, this would crash and show a dialog box. Avoid the crash. */
return 1;
#endif
if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3)
- return 1;
+ result |= 1;
if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5)
- return 2;
- return 0;
+ result |= 2;
+ if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5
+ || buf[0] != '1')
+ result |= 4;
+ if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5
+ || buf[0] != '1')
+ result |= 4;
+ return result;
}]])],
[gl_cv_func_printf_precision=yes],
[gl_cv_func_printf_precision=no],
[
changequote(,)dnl
case "$host_os" in
- # Guess no only on Solaris, native Win32, and BeOS systems.
+ # Guess no only on Solaris, native Windows, and BeOS systems.
solaris*) gl_cv_func_printf_precision="guessing no" ;;
mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
beos*) gl_cv_func_printf_precision="guessing no" ;;
changequote([,])dnl
])])
if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
- (./conftest
+ (./conftest 2>&AS_MESSAGE_LOG_FD
result=$?
+ _AS_ECHO_LOG([\$? = $result])
if test $result != 0 && test $result != 77; then result=1; fi
exit $result
) >/dev/null 2>/dev/null
fi
rm -fr conftest*
else
- dnl A universal build on Apple MacOS X platforms.
+ dnl A universal build on Apple Mac OS X platforms.
dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode.
dnl But we need a configuration result that is valid in both modes.
gl_cv_func_printf_enomem="guessing no"
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_REQUIRE([gl_SNPRINTF_PRESENCE])
AC_CACHE_CHECK([whether snprintf truncates the result as in C99],
[gl_cv_func_snprintf_truncation_c99],
[
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
+#if HAVE_SNPRINTF
+# define my_snprintf snprintf
+#else
+# include <stdarg.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+ va_start (args, format);
+ ret = vsnprintf (buf, size, format, args);
+ va_end (args);
+ return ret;
+}
+#endif
static char buf[100];
int main ()
{
strcpy (buf, "ABCDEF");
- snprintf (buf, 3, "%d %d", 4567, 89);
+ my_snprintf (buf, 3, "%d %d", 4567, 89);
if (memcmp (buf, "45\0DEF", 6) != 0)
return 1;
return 0;
# Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on OpenBSD >= 3.9.
gl_cv_func_snprintf_truncation_c99="guessing no";;
openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ solaris2.[0-5] | solaris2.[0-5].*)
+ gl_cv_func_snprintf_truncation_c99="guessing no";;
solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_REQUIRE([gl_SNPRINTF_PRESENCE])
AC_CACHE_CHECK([whether snprintf returns a byte count as in C99],
[gl_cv_func_snprintf_retval_c99],
[
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
+#if HAVE_SNPRINTF
+# define my_snprintf snprintf
+#else
+# include <stdarg.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+ va_start (args, format);
+ ret = vsnprintf (buf, size, format, args);
+ va_end (args);
+ return ret;
+}
+#endif
static char buf[100];
int main ()
{
strcpy (buf, "ABCDEF");
- if (snprintf (buf, 3, "%d %d", 4567, 89) != 7)
+ if (my_snprintf (buf, 3, "%d %d", 4567, 89) != 7)
return 1;
+ if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7)
+ return 2;
+ if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7)
+ return 3;
return 0;
}]])],
[gl_cv_func_snprintf_retval_c99=yes],
# Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
# Guess yes on OpenBSD >= 3.9.
openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
gl_cv_func_snprintf_retval_c99="guessing no";;
openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";;
- solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on Solaris >= 2.10.
+ solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
# Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_REQUIRE([gl_SNPRINTF_PRESENCE])
AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive],
[gl_cv_func_snprintf_directive_n],
[
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
+#if HAVE_SNPRINTF
+# define my_snprintf snprintf
+#else
+# include <stdarg.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+ va_start (args, format);
+ ret = vsnprintf (buf, size, format, args);
+ va_end (args);
+ return ret;
+}
+#endif
static char fmtstring[10];
static char buf[100];
int main ()
support %n in format strings in read-only memory but not in writable
memory. */
strcpy (fmtstring, "%d %n");
- snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55);
+ my_snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55);
if (count != 6)
return 1;
return 0;
# Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
# Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ solaris2.[0-5] | solaris2.[0-5].*)
+ gl_cv_func_snprintf_directive_n="guessing no";;
solaris*) gl_cv_func_snprintf_directive_n="guessing yes";;
# Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";;
AC_DEFUN([gl_SNPRINTF_SIZE1],
[
AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([gl_SNPRINTF_PRESENCE])
AC_CACHE_CHECK([whether snprintf respects a size of 1],
[gl_cv_func_snprintf_size1],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
+#if HAVE_SNPRINTF
+# define my_snprintf snprintf
+#else
+# include <stdarg.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+ va_start (args, format);
+ ret = vsnprintf (buf, size, format, args);
+ va_end (args);
+ return ret;
+}
+#endif
int main()
{
static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
- snprintf (buf, 1, "%d", 12345);
+ my_snprintf (buf, 1, "%d", 12345);
return buf[1] != 'E';
}]])],
[gl_cv_func_snprintf_size1=yes],
# Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
+ # Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on Cygwin.
cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ solaris2.[0-5] | solaris2.[0-5].*)
+ gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . .
dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . .
dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . .
-dnl MacOS X 10.5.8 . . . # # . . . . . . # . . . . . . . .
-dnl MacOS X 10.3.9 . . . . # . . . . . . # . # . . . . . .
+dnl Mac OS X 10.5.8 . . . # # . . . . . . # . . . . . . . .
+dnl Mac OS X 10.3.9 . . . . # . . . . . . # . # . . . . . .
dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . .
dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . .
dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . .
dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . .
-dnl Solaris 11 2010-11 . . # # # . . # . . . # . . . . . . . .
+dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . .
dnl Solaris 10 . . # # # . . # . . . # # . . . . . . .
-dnl Solaris 2.6 ... 9 # . # # # # . # . . . # . . . . . . . .
+dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . .
dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # #
-dnl AIX 5.2, 7.1 . . # # # . . . . . . # . . . . . . . .
-dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . . . . .
+dnl AIX 7.1 . . # # # . . . . . . # # . . . . . . .
+dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . .
+dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . # . . .
dnl HP-UX 11.31 . . . . # . . . . . . # . . . . # # . .
dnl HP-UX 11.{00,11,23} # . . . # # . . . . . # . . . . # # . #
dnl HP-UX 10.20 # . # . # # . ? . . # # . . . . # # ? #
dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . .
dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ?
dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . .
-dnl Haiku . . . # # # . # . . . . . ? . . . . . .
-dnl BeOS # # . # # # . ? # . ? . # ? . . . . . .
-dnl mingw # # # # # # . . # # . # # ? . # # # . .
+dnl Haiku . . . # # # . # . . . . . ? . . ? . . .
+dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . .
+dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . .
+dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . .
+dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . .
+dnl mingw-w64 2011 # # # # # # . . # # . # # ? . # # # . .
projects / gnulib.git / blobdiff