-# printf.m4 serial 2
+# printf.m4 serial 6
dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
- AC_REQUIRE([gt_TYPE_LONGDOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
[gl_cv_func_printf_sizes_c99],
if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
|| strcmp (buf, "12345673 33") != 0)
return 1;
-#if HAVE_LONG_DOUBLE
buf[0] = '\0';
if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
|| strcmp (buf, "1.5 33") != 0)
return 1;
-#endif
return 0;
}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no],
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # 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";;
- dnl Guess yes on MacOS X >= 10.3.
+ # 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";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # 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";;
- dnl Guess yes on Solaris >= 2.10.
+ # 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";;
- dnl Guess yes on NetBSD >= 3.
+ # 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";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_printf_sizes_c99="guessing no";;
esac
changequote([,])dnl
AC_DEFUN([gl_PRINTF_DIRECTIVE_A],
[
AC_REQUIRE([AC_PROG_CC])
- AC_REQUIRE([gt_TYPE_LONGDOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
[gl_cv_func_printf_directive_a],
&& strcmp (buf, "-0X6.488P-1 33") != 0
&& strcmp (buf, "-0XC.91P-2 33") != 0))
return 1;
+ /* 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;
+ /* 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
+ || buf[0] == '0')
+ return 1;
/* 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, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
return 1;
-#if HAVE_LONG_DOUBLE
/* 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, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
return 1;
-#endif
return 0;
}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no],
[
case "$host_os" in
- dnl Guess yes on glibc >= 2.5 systems.
+ # Guess yes on glibc >= 2.5 systems.
*-gnu*)
AC_EGREP_CPP([BZ2908], [
#include <features.h>
[gl_cv_func_printf_directive_a="guessing yes"],
[gl_cv_func_printf_directive_a="guessing no"])
;;
-changequote(,)dnl
- dnl Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_printf_directive_a="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_directive_a="guessing yes";;
- dnl Guess yes on NetBSD >= 4.
- netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
- gl_cv_func_printf_directive_a="guessing no";;
- netbsd*) gl_cv_func_printf_directive_a="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_printf_directive_a="guessing no";;
esac
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports the %F format
+dnl directive. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_directive_f.
+
+AC_DEFUN([gl_PRINTF_DIRECTIVE_F],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the 'F' directive],
+ [gl_cv_func_printf_directive_f],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ 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
+ || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
+ return 1;
+ /* This catches a Cygwin 2007 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],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on FreeBSD >= 6.
+ freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
+ darwin*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on Solaris >= 2.10.
+ solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";;
+ solaris*) gl_cv_func_printf_directive_f="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_directive_f="guessing no";;
+ esac
changequote([,])dnl
])
])
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # 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";;
- dnl Guess yes on MacOS X >= 10.3.
+ # 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";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # 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";;
- dnl Guess yes on Solaris >= 2.6.
+ # 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";;
- dnl Guess yes on AIX >= 4.
+ # 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";;
- dnl Guess yes on HP-UX >= 11.
+ # 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";;
- dnl Guess yes on IRIX >= 6.5.
+ # Guess yes on IRIX >= 6.5.
irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on OSF/1 >= 5.
+ # 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";;
- dnl Guess yes on NetBSD >= 3.
+ # 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";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_truncation_c99="guessing no";;
esac
changequote([,])dnl
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on MacOS X >= 10.3.
+ # Guess yes on MacOS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # Guess yes on OpenBSD >= 3.9.
openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
gl_cv_func_snprintf_retval_c99="guessing no";;
openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on Solaris >= 2.6.
+ # Guess yes on Solaris >= 2.6.
solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";;
solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on AIX >= 4.
+ # Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on NetBSD >= 3.
+ # Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_snprintf_retval_c99="guessing no";;
netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_retval_c99="guessing no";;
esac
changequote([,])dnl
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # 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";;
- dnl Guess yes on MacOS X >= 10.3.
+ # 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";;
- dnl Guess yes on Solaris >= 2.6.
+ # 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";;
- dnl Guess yes on AIX >= 4.
+ # 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";;
- dnl Guess yes on IRIX >= 6.5.
+ # Guess yes on IRIX >= 6.5.
irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on OSF/1 >= 5.
+ # 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";;
- dnl Guess yes on NetBSD >= 3.
+ # 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";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_directive_n="guessing no";;
esac
changequote([,])dnl
dnl
dnl 1 = gl_PRINTF_SIZES_C99
dnl 2 = gl_PRINTF_DIRECTIVE_A
-dnl 3 = gl_PRINTF_DIRECTIVE_N
-dnl 4 = gl_PRINTF_POSITIONS
-dnl 5 = gl_SNPRINTF_PRESENCE
-dnl 6 = gl_SNPRINTF_TRUNCATION_C99
-dnl 7 = gl_SNPRINTF_RETVAL_C99
-dnl 8 = gl_SNPRINTF_DIRECTIVE_N
+dnl 3 = gl_PRINTF_DIRECTIVE_F
+dnl 4 = gl_PRINTF_DIRECTIVE_N
+dnl 5 = gl_PRINTF_POSITIONS
+dnl 6 = gl_SNPRINTF_PRESENCE
+dnl 7 = gl_SNPRINTF_TRUNCATION_C99
+dnl 8 = gl_SNPRINTF_RETVAL_C99
+dnl 9 = gl_SNPRINTF_DIRECTIVE_N
dnl
dnl 1 = checking whether printf supports size specifiers as in C99...
dnl 2 = checking whether printf supports the 'a' and 'A' directives...
-dnl 3 = checking whether printf supports the 'n' directive...
-dnl 4 = checking whether printf supports POSIX/XSI format strings with positions...
-dnl 5 = checking for snprintf...
-dnl 6 = checking whether snprintf truncates the result as in C99...
-dnl 7 = checking whether snprintf returns a byte count as in C99...
-dnl 8 = checking whether snprintf fully supports the 'n' directive...
+dnl 3 = checking whether printf supports the 'F' directive...
+dnl 4 = checking whether printf supports the 'n' directive...
+dnl 5 = checking whether printf supports POSIX/XSI format strings with positions...
+dnl 6 = checking for snprintf...
+dnl 7 = checking whether snprintf truncates the result as in C99...
+dnl 8 = checking whether snprintf returns a byte count as in C99...
+dnl 9 = checking whether snprintf fully supports the 'n' directive...
dnl
dnl . = yes, # = no.
dnl
-dnl 1 2 3 4 5 6 7 8
-dnl glibc 2.5 . . . . . . . .
-dnl glibc 2.3.6 . # . . . . . .
-dnl FreeBSD 5.4, 6.1 . . . . . . . .
-dnl MacOS X 10.3.9 . # . . . . . .
-dnl OpenBSD 3.9 . # . . . . . ?
-dnl Cygwin 2007 . # . . . . . ?
-dnl Cygwin 2006 # # . . . . . ?
-dnl Solaris 10 . # . . . . . .
-dnl Solaris 2.6 ... 9 # # . . . . . .
-dnl Solaris 2.5.1 # # . . # # # #
-dnl AIX 4.3.2, 5.1 # # . . . . . .
-dnl HP-UX 11.31 . # . . . . # #
-dnl HP-UX 10.20, 11.00, 11.11, 11.23 # # . . . . # #
-dnl IRIX 6.5 # # . . . . # .
-dnl OSF/1 5.1 # # . . . . # .
-dnl OSF/1 4.0d # # . . # # # #
-dnl NetBSD 4.0 . . . . . . . ?
-dnl NetBSD 3.0 . # . # . . . .
-dnl BeOS # # . # . . . .
-dnl mingw # # . # . # # #
+dnl 1 2 3 4 5 6 7 8 9
+dnl glibc 2.5 . . . . . . . . .
+dnl glibc 2.3.6 . # . . . . . . .
+dnl FreeBSD 5.4, 6.1 . ? . . . . . . .
+dnl MacOS X 10.3.9 . # . . . . . . .
+dnl OpenBSD 3.9, 4.0 . # ? . . . . . ?
+dnl Cygwin 2007 . # # . . . . . .
+dnl Cygwin 2006 # # # . . . . . .
+dnl Solaris 10 . # . . . . . . .
+dnl Solaris 2.6 ... 9 # # # . . . . . .
+dnl Solaris 2.5.1 # # # . . # # # #
+dnl AIX 5.2 . # . . . . . . .
+dnl AIX 4.3.2, 5.1 # # # . . . . . .
+dnl HP-UX 11.31 . # . . . . . # #
+dnl HP-UX 10.20, 11.00, 11.11, 11.23 # # # . . . . # #
+dnl IRIX 6.5 # # # . . . . # .
+dnl OSF/1 5.1 # # # . . . . # .
+dnl OSF/1 4.0d # # # . . # # # #
+dnl NetBSD 4.0 . ? ? . . . . . ?
+dnl NetBSD 3.0 . # # . # . . . .
+dnl BeOS # # # . # . . . .
+dnl mingw # # # . # . # # #
projects / pspp / blobdiff