-# printf.m4 serial 5
+# 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,
])
])
+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
+ ])
+ ])
+])
+
dnl Test whether the *printf family of functions supports the %n format
dnl directive. (ISO C99, POSIX:2001)
dnl Result is gl_cv_func_printf_directive_n.
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, 4.0 . # . . . . . ?
-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