Integrate gnulib vasnprintf().

1 files changed, 296 insertions, 0 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 1e7207690..ed90b97fa 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -43,6 +43,49 @@ fi
 ])# AC_FUNC_VSNPRINTF_C99
 
 
+dnl @synopsis AC_FUNC_SNPRINTF_C99
+dnl
+dnl Check whether there is a snprintf() function with C99 semantics installed.
+dnl
+AC_DEFUN([AC_FUNC_SNPRINTF_C99],
+[AC_CACHE_CHECK(for C99 snprintf,
+  ac_cv_func_snprintf_c99,
+[AC_TRY_RUN(
+[#include <stdio.h>
+#include <stdarg.h>
+
+int
+doit()
+{
+  char buffer[32];
+  va_list args;
+  int r;
+
+  r = snprintf(buffer, 5, "1234567");
+
+  if (r != 7)
+    exit(1);
+
+  exit(0);
+}
+
+int
+main(void)
+{
+  doit();
+  exit(1);
+}], ac_cv_func_snprintf_c99=yes, ac_cv_func_snprintf_c99=no, ac_cv_func_snprintf_c99=no)])
+dnl Note that the default is to be pessimistic in the case of cross compilation.
+dnl If you know that the target has a C99 snprintf(), you can get around this
+dnl by setting ac_func_snprintf_c99 to yes, as described in the Autoconf manual.
+if test $ac_cv_func_snprintf_c99 = yes; then
+  AC_DEFINE(HAVE_C99_SNPRINTF, 1,
+            [Define if you have a version of the snprintf function
+             with semantics as specified by the ISO C99 standard.])
+fi
+])# AC_FUNC_SNPRINTF_C99
+
+
 dnl @synopsis AC_FUNC_PRINTF_UNIX98
 dnl
 dnl Check whether the printf() family supports Unix98 %n$ positional parameters 
@@ -121,4 +164,257 @@ AC_DEFUN([JH_CHECK_XML_CATALOG],
 ])
 
 
+# signed.m4 serial 1 (gettext-0.10.40)
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([bh_C_SIGNED],
+[
+  AC_CACHE_CHECK([for signed], bh_cv_c_signed,
+   [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
+  if test $bh_cv_c_signed = no; then
+    AC_DEFINE(signed, ,
+              [Define to empty if the C compiler doesn't support this keyword.])
+  fi
+])
+
+
+# longlong.m4 serial 4
+dnl Copyright (C) 1999-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_LONG_LONG if 'long long' works.
+
+AC_DEFUN([jm_AC_TYPE_LONG_LONG],
+[
+  AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
+  [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
+    [long long llmax = (long long) -1;
+     return ll << i | ll >> i | llmax / ll | llmax % ll;],
+    ac_cv_type_long_long=yes,
+    ac_cv_type_long_long=no)])
+  if test $ac_cv_type_long_long = yes; then
+    AC_DEFINE(HAVE_LONG_LONG, 1,
+      [Define if you have the 'long long' type.])
+  fi
+])
+
+
+# longdouble.m4 serial 1 (gettext-0.11.6)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether the compiler supports the 'long double' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_LONGDOUBLE],
+[
+  AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
+    [if test "$GCC" = yes; then
+       gt_cv_c_long_double=yes
+     else
+       AC_TRY_COMPILE([
+         /* The Stardent Vistra knows sizeof(long double), but does not support it.  */
+         long double foo = 0.0;
+         /* On Ultrix 4.3 cc, long double is 4 and double is 8.  */
+         int array [2*(sizeof(long double) >= sizeof(double)) - 1];
+         ], ,
+         gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
+     fi])
+  if test $gt_cv_c_long_double = yes; then
+    AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
+  fi
+])
+
+
+
+# wchar_t.m4 serial 1 (gettext-0.11.6)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether <stddef.h> has the 'wchar_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WCHAR_T],
+[
+  AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
+    [AC_TRY_COMPILE([#include <stddef.h>
+       wchar_t foo = (wchar_t)'\0';], ,
+       gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
+  if test $gt_cv_c_wchar_t = yes; then
+    AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
+  fi
+])
+
+
+# wint_t.m4 serial 1
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether <wchar.h> has the 'wint_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WINT_T],
+[
+  AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
+    [AC_TRY_COMPILE([#include <wchar.h>
+       wint_t foo = (wchar_t)'\0';], ,
+       gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
+  if test $gt_cv_c_wint_t = yes; then
+    AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
+  fi
+])
+
+
+# intmax_t.m4 serial 1
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+AC_PREREQ(2.13)
+
+# Define intmax_t to 'long' or 'long long'
+# if it is not already defined in <stdint.h> or <inttypes.h>.
+
+AC_DEFUN([jm_AC_TYPE_INTMAX_T],
+[
+  dnl For simplicity, we assume that a header file defines 'intmax_t' if and
+  dnl only if it defines 'uintmax_t'.
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+  if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
+    AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
+    test $ac_cv_type_long_long = yes \
+      && ac_type='long long' \
+      || ac_type='long'
+    AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+     [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
+  else
+    AC_DEFINE(HAVE_INTMAX_T, 1,
+      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
+  fi
+])
+
+dnl An alternative would be to explicitly test for 'intmax_t'.
+
+AC_DEFUN([gt_AC_TYPE_INTMAX_T],
+[
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+  AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
+    [AC_TRY_COMPILE([
+#include <stddef.h> 
+#include <stdlib.h>
+#if HAVE_STDINT_H_WITH_UINTMAX
+#include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H_WITH_UINTMAX
+#include <inttypes.h>
+#endif
+], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
+  if test $gt_cv_c_intmax_t = yes; then
+    AC_DEFINE(HAVE_INTMAX_T, 1,
+      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
+  else
+    AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
+    test $ac_cv_type_long_long = yes \
+      && ac_type='long long' \
+      || ac_type='long'
+    AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+     [Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
+  fi
+])
+
+
+# stdint_h.m4 serial 3 (gettext-0.11.6)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_STDINT_H],
+[
+  AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
+  [AC_TRY_COMPILE(
+    [#include <sys/types.h>
+#include <stdint.h>],
+    [uintmax_t i = (uintmax_t) -1;],
+    jm_ac_cv_header_stdint_h=yes,
+    jm_ac_cv_header_stdint_h=no)])
+  if test $jm_ac_cv_header_stdint_h = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
+      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
+       and declares uintmax_t. ])
+  fi
+])
+
+
+# inttypes_h.m4 serial 5 (gettext-0.11.6)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
+[
+  AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
+  [AC_TRY_COMPILE(
+    [#include <sys/types.h>
+#include <inttypes.h>],
+    [uintmax_t i = (uintmax_t) -1;],
+    jm_ac_cv_header_inttypes_h=yes,
+    jm_ac_cv_header_inttypes_h=no)])
+  if test $jm_ac_cv_header_inttypes_h = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
+      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
+       and declares uintmax_t. ])
+  fi
+])
+