-# printf.m4 serial 42
-dnl Copyright (C) 2003, 2007-2011 Free Software Foundation, Inc.
+# printf.m4 serial 50
+dnl Copyright (C) 2003, 2007-2013 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.
# 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.
int main ()
{
int result = 0;
- if (sprintf (buf, "%f", 1.0 / 0.0) < 0
+ if (sprintf (buf, "%f", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
result |= 1;
- if (sprintf (buf, "%f", -1.0 / 0.0) < 0
+ if (sprintf (buf, "%f", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
result |= 1;
if (sprintf (buf, "%f", zero / zero) < 0
|| !strisnan (buf, 0, strlen (buf)))
result |= 2;
- if (sprintf (buf, "%e", 1.0 / 0.0) < 0
+ if (sprintf (buf, "%e", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
result |= 4;
- if (sprintf (buf, "%e", -1.0 / 0.0) < 0
+ if (sprintf (buf, "%e", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
result |= 4;
if (sprintf (buf, "%e", zero / zero) < 0
|| !strisnan (buf, 0, strlen (buf)))
result |= 8;
- if (sprintf (buf, "%g", 1.0 / 0.0) < 0
+ if (sprintf (buf, "%g", 1.0 / zero) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
result |= 16;
- if (sprintf (buf, "%g", -1.0 / 0.0) < 0
+ if (sprintf (buf, "%g", -1.0 / zero) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
result |= 16;
if (sprintf (buf, "%g", zero / zero) < 0
# 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.
{
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))
result |= 1;
- 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))
result |= 1;
if (sprintf (buf, "%Lf", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
result |= 1;
- if (sprintf (buf, "%Le", 1.0L / 0.0L) < 0
+ if (sprintf (buf, "%Le", 1.0L / zeroL) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
result |= 1;
- if (sprintf (buf, "%Le", -1.0L / 0.0L) < 0
+ if (sprintf (buf, "%Le", -1.0L / zeroL) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
result |= 1;
if (sprintf (buf, "%Le", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
result |= 1;
- if (sprintf (buf, "%Lg", 1.0L / 0.0L) < 0
+ if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0
|| (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
result |= 1;
- if (sprintf (buf, "%Lg", -1.0L / 0.0L) < 0
+ if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0
|| (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
result |= 1;
if (sprintf (buf, "%Lg", zeroL / zeroL) < 0
|| !strisnan (buf, 0, strlen (buf)))
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_))
+#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
#include <stdio.h>
#include <string.h>
static char buf[100];
+static double zero = 0.0;
int main ()
{
int result = 0;
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')
result |= 8;
- /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */
+ /* 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))
result |= 16;
- /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a
+ /* 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
#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)
result |= 1;
- if (sprintf (buf, "%F", 1.0 / 0.0) < 0
+ if (sprintf (buf, "%F", 1.0 / zero) < 0
|| (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
result |= 2;
/* This catches a Cygwin 1.5.x bug. */
# 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.
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 "$host_os" in
- *) gl_cv_func_printf_directive_n="guessing yes";;
+ mingw*) gl_cv_func_printf_directive_n="guessing no";;
+ *) gl_cv_func_printf_directive_n="guessing yes";;
esac
changequote([,])dnl
])
#include <stdio.h>
#include <string.h>
static char buf[100];
+static double zero = 0.0;
int main ()
{
- if (sprintf (buf, "%010f", 1.0 / 0.0, 33, 44, 55) < 0
+ if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0
|| (strcmp (buf, " inf") != 0
&& strcmp (buf, " infinity") != 0))
return 1;
dnl floating-point or pointer output. On Solaris 10/x86, precisions larger
dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC,
dnl precisions larger than 510 in floating-point output yield wrong results.
-dnl On BeOS, precisions larger than 1044 crash the program.
+dnl On AIX 7.1, precisions larger than 998 in floating-point output yield
+dnl wrong results. On BeOS, precisions larger than 1044 crash the program.
dnl Result is gl_cv_func_printf_precision.
AC_DEFUN([gl_PRINTF_PRECISION],
if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5
|| buf[0] != '1')
result |= 4;
+ if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5
+ || buf[0] != '1')
+ result |= 4;
return result;
}]])],
[gl_cv_func_printf_precision=yes],
[
changequote(,)dnl
case "$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.
[
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 (snprintf (buf, 0, "%d %d", 4567, 89) != 7)
+ if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7)
return 2;
- if (snprintf (NULL, 0, "%d %d", 4567, 89) != 7)
+ if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7)
return 3;
return 0;
}]])],
# 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.
[
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.
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.
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 2.5.1 # . # # # # . # . . . # . . # # # # # #
-dnl AIX 5.2, 7.1 . . # # # . . . . . . # . . . . . . . .
+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 NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . .
dnl Haiku . . . # # # . # . . . . . ? . . ? . . .
dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . .
-dnl mingw # # # # # # . . # # . # # ? . # # # . .
+dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . .
+dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . .
+dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . .
+dnl mingw-w64 2011 # # # # # # . . # # . # # ? . # # # . .
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