-# printf.m4 serial 33
-dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc.
+# printf.m4 serial 48
+dnl Copyright (C) 2003, 2007-2012 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.
AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
[gl_cv_func_printf_sizes_c99],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stddef.h>
#include <stdio.h>
#include <string.h>
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;
-}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no],
- [
+ result |= 8;
+ return result;
+}]])],
+ [gl_cv_func_printf_sizes_c99=yes],
+ [gl_cv_func_printf_sizes_c99=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
- darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on OpenBSD >= 3.9.
- openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
- gl_cv_func_printf_sizes_c99="guessing no";;
- openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on Solaris >= 2.10.
- solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";;
- solaris*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_printf_sizes_c99="guessing no";;
- netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_sizes_c99="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # 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.
+ 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.
+ openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+ gl_cv_func_printf_sizes_c99="guessing no";;
+ openbsd*) gl_cv_func_printf_sizes_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 NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_printf_sizes_c99="guessing no";;
+ netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_sizes_c99="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports 'long double' arguments],
[gl_cv_func_printf_long_double],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
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;
-}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no],
- [
+ result |= 4;
+ return result;
+}]])],
+ [gl_cv_func_printf_long_double=yes],
+ [gl_cv_func_printf_long_double=no],
+ [
changequote(,)dnl
- case "$host_os" in
- beos*) gl_cv_func_printf_long_double="guessing no";;
- mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
- *) gl_cv_func_printf_long_double="guessing yes";;
- esac
+ case "$host_os" in
+ beos*) gl_cv_func_printf_long_double="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
+ *) gl_cv_func_printf_long_double="guessing yes";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
[gl_cv_func_printf_infinite],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static int
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;
-}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no],
- [
+ result |= 64;
+ return result;
+}]])],
+ [gl_cv_func_printf_infinite=yes],
+ [gl_cv_func_printf_infinite=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on FreeBSD >= 6.
- freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
- darwin*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on HP-UX >= 11.
- hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";;
- hpux*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_printf_infinite="guessing no";;
- netbsd*) gl_cv_func_printf_infinite="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_printf_infinite="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_infinite="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_infinite="guessing yes";;
+ # 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.
+ darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
+ darwin*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";;
+ hpux*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_printf_infinite="guessing no";;
+ netbsd*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_infinite="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_infinite="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
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.
AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments],
[gl_cv_func_printf_infinite_long_double],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
]GL_NOCRASH[
#include <float.h>
#include <stdio.h>
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;
-}],
- [gl_cv_func_printf_infinite_long_double=yes],
- [gl_cv_func_printf_infinite_long_double=no],
- [
+ return result;
+}]])],
+ [gl_cv_func_printf_infinite_long_double=yes],
+ [gl_cv_func_printf_infinite_long_double=no],
+ [
changequote(,)dnl
- case "$host_cpu" in
- # Guess no on ia64, x86_64, i386.
- ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";;
- *)
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";;
- # Guess yes on FreeBSD >= 6.
- freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_printf_infinite_long_double="guessing no";;
- darwin*) gl_cv_func_printf_infinite_long_double="guessing yes";;
- # Guess yes on HP-UX >= 11.
- hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
- hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_printf_infinite_long_double="guessing no";;
- netbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_infinite_long_double="guessing no";;
- esac
- ;;
- esac
+ case "$host_cpu" in
+ # Guess no on ia64, x86_64, i386.
+ ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";;
+ *)
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on FreeBSD >= 6.
+ freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_infinite_long_double="guessing no";;
+ esac
+ ;;
+ esac
changequote([,])dnl
- ])
+ ])
])
;;
*)
AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
[gl_cv_func_printf_directive_a],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#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;
+ result |= 8;
/* This catches a MacOS 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;
+ result |= 16;
/* This catches the same MacOS 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, "0x2.0p+0") != 0
&& strcmp (buf, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
- return 1;
- return 0;
-}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no],
- [
- case "$host_os" in
- # Guess yes on glibc >= 2.5 systems.
- *-gnu*)
- AC_EGREP_CPP([BZ2908], [
- #include <features.h>
- #ifdef __GNU_LIBRARY__
- #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)
- BZ2908
- #endif
- #endif
- ],
- [gl_cv_func_printf_directive_a="guessing yes"],
- [gl_cv_func_printf_directive_a="guessing no"])
- ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_directive_a="guessing no";;
- esac
- ])
+ result |= 32;
+ return result;
+}]])],
+ [gl_cv_func_printf_directive_a=yes],
+ [gl_cv_func_printf_directive_a=no],
+ [
+ case "$host_os" in
+ # Guess yes on glibc >= 2.5 systems.
+ *-gnu*)
+ AC_EGREP_CPP([BZ2908], [
+ #include <features.h>
+ #ifdef __GNU_LIBRARY__
+ #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__
+ BZ2908
+ #endif
+ #endif
+ ],
+ [gl_cv_func_printf_directive_a="guessing yes"],
+ [gl_cv_func_printf_directive_a="guessing no"])
+ ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_directive_a="guessing no";;
+ esac
+ ])
])
])
AC_CACHE_CHECK([whether printf supports the 'F' directive],
[gl_cv_func_printf_directive_f],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#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;
-}], [gl_cv_func_printf_directive_f=yes], [gl_cv_func_printf_directive_f=no],
- [
+ result |= 4;
+ return result;
+}]])],
+ [gl_cv_func_printf_directive_f=yes],
+ [gl_cv_func_printf_directive_f=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_printf_directive_f="guessing yes";;
- # Guess yes on FreeBSD >= 6.
- freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
- darwin*) gl_cv_func_printf_directive_f="guessing yes";;
- # Guess yes on Solaris >= 2.10.
- solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";;
- solaris*) gl_cv_func_printf_directive_f="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_directive_f="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_directive_f="guessing yes";;
+ # 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.
+ 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.[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
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports the 'n' directive],
[gl_cv_func_printf_directive_n],
[
- AC_TRY_RUN([
+ 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. */
|| count != 4)
return 1;
return 0;
-}], [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no],
- [
+}]])],
+ [gl_cv_func_printf_directive_n=yes],
+ [gl_cv_func_printf_directive_n=no],
+ [
changequote(,)dnl
- case "$host_os" in
- *) gl_cv_func_printf_directive_n="guessing yes";;
- esac
+ case "$host_os" in
+ mingw*) gl_cv_func_printf_directive_n="guessing no";;
+ *) gl_cv_func_printf_directive_n="guessing yes";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports the 'ls' directive],
[gl_cv_func_printf_directive_ls],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
<wchar.h>.
BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
#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;
-}], [gl_cv_func_printf_directive_ls=yes], [gl_cv_func_printf_directive_ls=no],
- [
+ return result;
+}]])],
+ [gl_cv_func_printf_directive_ls=yes],
+ [gl_cv_func_printf_directive_ls=no],
+ [
changequote(,)dnl
- case "$host_os" in
- openbsd*) gl_cv_func_printf_directive_ls="guessing no";;
- irix*) gl_cv_func_printf_directive_ls="guessing no";;
- solaris*) gl_cv_func_printf_directive_ls="guessing no";;
- cygwin*) gl_cv_func_printf_directive_ls="guessing no";;
- beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";;
- *) gl_cv_func_printf_directive_ls="guessing yes";;
- esac
+ case "$host_os" in
+ openbsd*) gl_cv_func_printf_directive_ls="guessing no";;
+ irix*) gl_cv_func_printf_directive_ls="guessing no";;
+ solaris*) gl_cv_func_printf_directive_ls="guessing no";;
+ cygwin*) gl_cv_func_printf_directive_ls="guessing no";;
+ beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";;
+ *) gl_cv_func_printf_directive_ls="guessing yes";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions],
[gl_cv_func_printf_positions],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
/* The string "%2$d %1$d", with dollar characters protected from the shell's
{
sprintf (buf, format, 33, 55);
return (strcmp (buf, "55 33") != 0);
-}], [gl_cv_func_printf_positions=yes], [gl_cv_func_printf_positions=no],
- [
+}]])],
+ [gl_cv_func_printf_positions=yes],
+ [gl_cv_func_printf_positions=no],
+ [
changequote(,)dnl
- case "$host_os" in
- netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
- gl_cv_func_printf_positions="guessing no";;
- beos*) gl_cv_func_printf_positions="guessing no";;
- mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
- *) gl_cv_func_printf_positions="guessing yes";;
- esac
+ case "$host_os" in
+ netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
+ gl_cv_func_printf_positions="guessing no";;
+ beos*) gl_cv_func_printf_positions="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
+ *) gl_cv_func_printf_positions="guessing yes";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports the grouping flag],
[gl_cv_func_printf_flag_grouping],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
|| buf[strlen (buf) - 1] != '9')
return 1;
return 0;
-}], [gl_cv_func_printf_flag_grouping=yes], [gl_cv_func_printf_flag_grouping=no],
- [
+}]])],
+ [gl_cv_func_printf_flag_grouping=yes],
+ [gl_cv_func_printf_flag_grouping=no],
+ [
changequote(,)dnl
- case "$host_os" in
- cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
- netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
- mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
- *) gl_cv_func_printf_flag_grouping="guessing yes";;
- esac
+ case "$host_os" in
+ cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
+ netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
+ *) gl_cv_func_printf_flag_grouping="guessing yes";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly],
[gl_cv_func_printf_flag_leftadjust],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
static char buf[100];
|| strcmp (buf, "ab c") != 0)
return 1;
return 0;
-}],
+}]])],
[gl_cv_func_printf_flag_leftadjust=yes],
[gl_cv_func_printf_flag_leftadjust=no],
[
AC_CACHE_CHECK([whether printf supports the zero flag correctly],
[gl_cv_func_printf_flag_zero],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#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;
return 0;
-}], [gl_cv_func_printf_flag_zero=yes], [gl_cv_func_printf_flag_zero=no],
- [
+}]])],
+ [gl_cv_func_printf_flag_zero=yes],
+ [gl_cv_func_printf_flag_zero=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_printf_flag_zero="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_flag_zero="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_flag_zero="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
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 BeOS, precisions larger than 1044
-dnl crash the program.
+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 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],
AC_CACHE_CHECK([whether printf supports large precisions],
[gl_cv_func_printf_precision],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
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;
- return 0;
-}], [gl_cv_func_printf_precision=yes], [gl_cv_func_printf_precision=no],
- [
+ result |= 1;
+ if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5)
+ 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 "$host_os" in
- # Guess no only on native Win32 and BeOS systems.
- mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
- beos*) gl_cv_func_printf_precision="guessing no" ;;
- *) gl_cv_func_printf_precision="guessing yes" ;;
- esac
+ case "$host_os" in
+ # 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" ;;
+ *) gl_cv_func_printf_precision="guessing yes" ;;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
[
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_TRY_RUN([
+ AC_RUN_IFELSE(
+ [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;
-}], [gl_cv_func_snprintf_truncation_c99=yes], [gl_cv_func_snprintf_truncation_c99=no],
- [
+}]])],
+ [gl_cv_func_snprintf_truncation_c99=yes],
+ [gl_cv_func_snprintf_truncation_c99=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on OpenBSD >= 3.9.
- openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
- gl_cv_func_snprintf_truncation_c99="guessing no";;
- openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on AIX >= 4.
- aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on HP-UX >= 11.
- hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on IRIX >= 6.5.
- irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on OSF/1 >= 5.
- osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_snprintf_truncation_c99="guessing no";;
- netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_truncation_c99="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # 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.
+ 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.
+ openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+ 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] | 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";;
+ aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on OSF/1 >= 5.
+ osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_truncation_c99="guessing no";;
+ netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
dnl ---------------------------------------------------------------------
dnl Result is gl_cv_func_snprintf_retval_c99.
-AC_DEFUN([gl_SNPRINTF_RETVAL_C99],
+AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99],
[
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_TRY_RUN([
+ AC_RUN_IFELSE(
+ [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], [gl_cv_func_snprintf_retval_c99=no],
- [
+}]])],
+ [gl_cv_func_snprintf_retval_c99=yes],
+ [gl_cv_func_snprintf_retval_c99=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
- darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on OpenBSD >= 3.9.
- openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
- gl_cv_func_snprintf_retval_c99="guessing no";;
- openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";;
- solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on AIX >= 4.
- aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
- aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_snprintf_retval_c99="guessing no";;
- netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_retval_c99="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_retval_c99="guessing 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.
+ 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 >= 2.10.
+ 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";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_retval_c99="guessing no";;
+ netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_retval_c99="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
[
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_TRY_RUN([
+ AC_RUN_IFELSE(
+ [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;
-}], [gl_cv_func_snprintf_directive_n=yes], [gl_cv_func_snprintf_directive_n=no],
- [
+}]])],
+ [gl_cv_func_snprintf_directive_n=yes],
+ [gl_cv_func_snprintf_directive_n=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
- darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";;
- solaris*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on AIX >= 4.
- aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";;
- aix*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on IRIX >= 6.5.
- irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on OSF/1 >= 5.
- osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
- osf*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_snprintf_directive_n="guessing no";;
- netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_directive_n="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # 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.
+ 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] | 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";;
+ aix*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on OSF/1 >= 5.
+ osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ osf*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_directive_n="guessing no";;
+ netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_directive_n="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
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_TRY_RUN([
+ 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],
- [gl_cv_func_snprintf_size1=no],
- [gl_cv_func_snprintf_size1="guessing yes"])
+}]])],
+ [gl_cv_func_snprintf_size1=yes],
+ [gl_cv_func_snprintf_size1=no],
+ [gl_cv_func_snprintf_size1="guessing yes"])
])
])
AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99],
[gl_cv_func_vsnprintf_zerosize_c99],
[
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <stdarg.h>
#include <stdio.h>
static int my_snprintf (char *buf, int size, const char *format, ...)
static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
my_snprintf (buf, 0, "%d", 12345);
return buf[0] != 'D';
-}],
- [gl_cv_func_vsnprintf_zerosize_c99=yes],
- [gl_cv_func_vsnprintf_zerosize_c99=no],
- [
+}]])],
+ [gl_cv_func_vsnprintf_zerosize_c99=yes],
+ [gl_cv_func_vsnprintf_zerosize_c99=no],
+ [
changequote(,)dnl
- case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on MacOS X >= 10.3.
- darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on Cygwin.
- cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on Solaris >= 2.6.
- solaris2.[0-5]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on AIX >= 4.
- aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on IRIX >= 6.5.
- irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on NetBSD >= 3.
- netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
- gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # Guess yes on mingw.
- mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
- esac
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing 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.
+ 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] | 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";;
+ aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on mingw.
+ mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ esac
changequote([,])dnl
- ])
+ ])
])
])
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 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 10 . . # # # . . # . . . # . . . . . . . .
-dnl Solaris 2.6 ... 9 # . # # # # . # . . . # . . . . . . . .
+dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . .
+dnl Solaris 10 . . # # # . . # . . . # # . . . . . . .
+dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . .
dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # #
+dnl AIX 7.1 . . # # # . . . . . . # # . . . . . . .
dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . .
-dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . . . . .
+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 IRIX 6.5 # . # # # # . # . . . # . . . . # . . .
dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . #
dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # #
+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 / debian / gzip / blobdiff