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Import new gnulib.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-04-11 21:12:46 +02:00
parent 93cd84df63
commit 053cfcddf1
255 changed files with 12578 additions and 4948 deletions
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370
m4/printf.m4
View file

@ -1,5 +1,5 @@
# printf.m4 serial 35
dnl Copyright (C) 2003, 2007-2010 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.
@ -32,25 +32,26 @@ AC_DEFUN([gl_PRINTF_SIZES_C99],
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],
@ -62,7 +63,7 @@ changequote(,)dnl
# 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.
@ -70,8 +71,8 @@ changequote(,)dnl
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";;
@ -102,19 +103,20 @@ AC_DEFUN([gl_PRINTF_LONG_DOUBLE],
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],
@ -175,39 +177,40 @@ static char buf[10000];
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],
@ -219,7 +222,7 @@ changequote(,)dnl
# 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.
@ -248,6 +251,7 @@ AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE],
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.
@ -289,35 +293,36 @@ static char buf[10000];
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
@ -335,13 +340,13 @@ int main ()
{ 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. */
@ -349,81 +354,81 @@ int main ()
{ 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],
@ -439,16 +444,9 @@ changequote(,)dnl
# 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
@ -481,48 +479,50 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_A],
#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],
@ -533,7 +533,7 @@ int main ()
AC_EGREP_CPP([BZ2908], [
#include <features.h>
#ifdef __GNU_LIBRARY__
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)
#if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__
BZ2908
#endif
#endif
@ -564,19 +564,21 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_F],
#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],
@ -588,12 +590,12 @@ changequote(,)dnl
# 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
@ -616,12 +618,27 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_N],
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. */
@ -637,7 +654,8 @@ int main ()
[
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
])
@ -671,6 +689,7 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS],
#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
@ -680,7 +699,7 @@ int main ()
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. */
@ -689,7 +708,7 @@ int main ()
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:
@ -704,9 +723,9 @@ int main ()
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],
@ -862,9 +881,10 @@ AC_DEFUN([gl_PRINTF_FLAG_ZERO],
#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;
@ -889,8 +909,11 @@ 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],
@ -907,20 +930,30 @@ 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;
return 0;
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.
# 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" ;;
@ -995,8 +1028,9 @@ int main()
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
@ -1010,7 +1044,7 @@ changequote([,])dnl
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"
@ -1063,6 +1097,7 @@ AC_DEFUN([gl_SNPRINTF_TRUNCATION_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 truncates the result as in C99],
[gl_cv_func_snprintf_truncation_c99],
[
@ -1070,11 +1105,25 @@ AC_DEFUN([gl_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;
@ -1089,7 +1138,7 @@ changequote(,)dnl
# 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.
@ -1097,7 +1146,8 @@ changequote(,)dnl
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";;
@ -1143,6 +1193,7 @@ 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],
[
@ -1150,12 +1201,30 @@ AC_DEFUN_ONCE([gl_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],
@ -1168,16 +1237,16 @@ changequote(,)dnl
# 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";;
@ -1203,6 +1272,7 @@ AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N],
[
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],
[
@ -1210,6 +1280,20 @@ AC_DEFUN([gl_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 ()
@ -1219,7 +1303,7 @@ 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;
@ -1234,11 +1318,12 @@ changequote(,)dnl
# 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";;
@ -1270,16 +1355,31 @@ dnl Result is gl_cv_func_snprintf_size1.
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],
@ -1360,13 +1460,14 @@ changequote(,)dnl
# 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";;
@ -1439,24 +1540,31 @@ dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . .
dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . .
dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . .
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 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 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 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 # # # # # # . . # # . # # ? . # # # . .