+2007-03-08 Bruno Haible <bruno@clisp.org>
+
+ * modules/vfprintf-posix: New file.
+ * lib/vfprintf.c: New file.
+ * m4/vfprintf-posix.m4: New file.
+ * m4/stdio_h.m4 (gl_STDIO_H_DEFAULTS): Set also GNULIB_VFPRINTF_POSIX,
+ REPLACE_VFPRINTF.
+ * lib/stdio_.h (vfprintf): New declaration.
+ * modules/stdio (Makefile.am): Substitute also GNULIB_VFPRINTF_POSIX,
+ REPLACE_VFPRINTF.
+
2007-03-08 Bruno Haible <bruno@clisp.org>
* lib/stdio_.h: Treat __need___FILE like __need_FILE.
#endif
+#if @GNULIB_VFPRINTF_POSIX@
+# if @REPLACE_VFPRINTF@
+# define vfprintf rpl_vfprintf
+extern int vfprintf (FILE *fp, const char *format, va_list args);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef vfprintf
+# define vfprintf(s,f,a) \
+ (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
+ "use gnulib module vfprintf-posix for portable " \
+ "POSIX compliance"), \
+ vfprintf (s, f, a))
+#endif
+
#if @GNULIB_SNPRINTF@
# if @REPLACE_SNPRINTF@
# define snprintf rpl_snprintf
--- /dev/null
+/* Formatted output to a stream.
+ Copyright (C) 2004, 2006-2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include <stdio.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "fseterr.h"
+#include "vasnprintf.h"
+
+/* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */
+#ifndef EOVERFLOW
+# define EOVERFLOW E2BIG
+#endif
+
+/* Print formatted output to the stream FP.
+ Return string length of formatted string. On error, return a negative
+ value. */
+int
+vfprintf (FILE *fp, const char *format, va_list args)
+{
+ char buf[2000];
+ char *output;
+ size_t len;
+ size_t lenbuf = sizeof (buf);
+
+ output = vasnprintf (buf, &lenbuf, format, args);
+ len = lenbuf;
+
+ if (!output)
+ {
+ fseterr (fp);
+ return -1;
+ }
+
+ if (fwrite (output, 1, len, fp) < len)
+ {
+ if (output != buf)
+ {
+ int saved_errno = errno;
+ free (output);
+ errno = saved_errno;
+ }
+ return -1;
+ }
+
+ if (len > INT_MAX)
+ {
+ errno = EOVERFLOW;
+ fseterr (fp);
+ return -1;
+ }
+
+ return len;
+}
[
GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
+ GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
dnl Assume proper GNU behavior unless another module says otherwise.
+ REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
--- /dev/null
+# vfprintf-posix.m4 serial 1
+dnl Copyright (C) 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 with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_VFPRINTF_POSIX],
+[
+ AC_REQUIRE([gl_EOVERFLOW])
+ AC_REQUIRE([gl_PRINTF_SIZES_C99])
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
+ AC_REQUIRE([gl_PRINTF_POSITIONS])
+ gl_cv_func_vfprintf_posix=no
+ case "$gl_cv_func_printf_sizes_c99" in
+ *yes)
+ case "$gl_cv_func_printf_directive_a" in
+ *yes)
+ case "$gl_cv_func_printf_directive_n" in
+ *yes)
+ case "$gl_cv_func_printf_positions" in
+ *yes)
+ # vfprintf exists and is already POSIX compliant.
+ gl_cv_func_vfprintf_posix=yes
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ if test $gl_cv_func_vfprintf_posix = no; then
+ if ! expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null; then
+ AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
+ [Define if the vasnprintf implementation needs special code for
+ the 'a' and 'A' directives.])
+ fi
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_VFPRINTF
+ fi
+])
+
+AC_DEFUN([gl_REPLACE_VFPRINTF],
+[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ AC_LIBOBJ([vfprintf])
+ REPLACE_VFPRINTF=1
+ gl_PREREQ_VFPRINTF
+])
+
+AC_DEFUN([gl_PREREQ_VFPRINTF], [:])
sed -e 's|@''ABSOLUTE_STDIO_H''@|$(ABSOLUTE_STDIO_H)|g' \
-e 's|@''GNULIB_SNPRINTF''@|$(GNULIB_SNPRINTF)|g' \
-e 's|@''GNULIB_SPRINTF_POSIX''@|$(GNULIB_SPRINTF_POSIX)|g' \
+ -e 's|@''GNULIB_VFPRINTF_POSIX''@|$(GNULIB_VFPRINTF_POSIX)|g' \
-e 's|@''GNULIB_VSNPRINTF''@|$(GNULIB_VSNPRINTF)|g' \
-e 's|@''GNULIB_VSPRINTF_POSIX''@|$(GNULIB_VSPRINTF_POSIX)|g' \
+ -e 's|@''REPLACE_VFPRINTF''@|$(REPLACE_VFPRINTF)|g' \
-e 's|@''REPLACE_SNPRINTF''@|$(REPLACE_SNPRINTF)|g' \
-e 's|@''HAVE_DECL_SNPRINTF''@|$(HAVE_DECL_SNPRINTF)|g' \
-e 's|@''REPLACE_VSNPRINTF''@|$(REPLACE_VSNPRINTF)|g' \
--- /dev/null
+Description:
+POSIX compatible vfprintf() function: print formatted output to a stream
+
+Files:
+lib/vfprintf.c
+m4/vfprintf-posix.m4
+m4/printf.m4
+
+Depends-on:
+stdio
+fseterr
+vasnprintf
+isnan-nolibm
+isnanl-nolibm
+printf-frexp
+printf-frexpl
+
+configure.ac:
+gl_FUNC_VFPRINTF_POSIX
+gl_STDIO_MODULE_INDICATOR([vfprintf-posix])
+
+Makefile.am:
+
+Include:
+<stdio.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
+
projects / pspp / commitdiff