Here comes the POSIX compatible vprintf() substitute. 2007-03-08 Bruno Haible <[EMAIL PROTECTED]>
* modules/vprintf-posix: New file. * lib/vprintf.c: New file. * m4/vprintf-posix.m4: New file. * m4/stdio_h.m4 (gl_STDIO_H_DEFAULTS): Set also GNULIB_VPRINTF_POSIX, REPLACE_VPRINTF. * lib/stdio_.h (vprintf): New declaration. * modules/stdio (Makefile.am): Substitute also GNULIB_VPRINTF_POSIX, REPLACE_VPRINTF. ======================== modules/vprintf-posix ============================ Description: POSIX compatible vprintf() function: print formatted output to standard output Files: lib/vprintf.c m4/vprintf-posix.m4 m4/printf.m4 Depends-on: stdio vfprintf-posix configure.ac: gl_FUNC_VPRINTF_POSIX gl_STDIO_MODULE_INDICATOR([vprintf-posix]) Makefile.am: Include: <stdio.h> License: LGPL Maintainer: Bruno Haible =========================== lib/vprintf.c ================================= /* Formatted output to a stream. Copyright (C) 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 <stdarg.h> /* Print formatted output to standard output. Return string length of formatted string. On error, return a negative value. */ int vprintf (const char *format, va_list args) { return vfprintf (stdout, format, args); } ========================= m4/vprintf-posix.m4 ============================= # vprintf-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_VPRINTF_POSIX], [ AC_REQUIRE([gl_FUNC_VFPRINTF_POSIX]) if test $gl_cv_func_vfprintf_posix = no; then gl_REPLACE_VPRINTF fi ]) AC_DEFUN([gl_REPLACE_VPRINTF], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) AC_LIBOBJ([vprintf]) REPLACE_VPRINTF=1 gl_PREREQ_VPRINTF ]) AC_DEFUN([gl_PREREQ_VPRINTF], [:]) =========================================================================== *** m4/stdio_h.m4 9 Mar 2007 02:59:39 -0000 1.7 --- m4/stdio_h.m4 9 Mar 2007 03:38:18 -0000 *************** *** 25,35 **** --- 25,37 ---- GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX]) + GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX]) GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF]) GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) dnl Assume proper GNU behavior unless another module says otherwise. REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) + REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) *** lib/stdio_.h 9 Mar 2007 02:59:39 -0000 1.9 --- lib/stdio_.h 9 Mar 2007 03:38:18 -0000 *************** *** 68,73 **** --- 68,87 ---- vfprintf (s, f, a)) #endif + #if @GNULIB_VPRINTF_POSIX@ + # if @REPLACE_VPRINTF@ + # define vprintf rpl_vprintf + extern int vprintf (const char *format, va_list args); + # endif + #elif defined GNULIB_POSIXCHECK + # undef vprintf + # define vprintf(f,a) \ + (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \ + "use gnulib module vprintf-posix for portable " \ + "POSIX compliance"), \ + vprintf (f, a)) + #endif + #if @GNULIB_SNPRINTF@ # if @REPLACE_SNPRINTF@ # define snprintf rpl_snprintf *** modules/stdio 9 Mar 2007 02:59:39 -0000 1.7 --- modules/stdio 9 Mar 2007 03:38:18 -0000 *************** *** 25,34 **** --- 25,36 ---- -e 's|@''GNULIB_SNPRINTF''@|$(GNULIB_SNPRINTF)|g' \ -e 's|@''GNULIB_SPRINTF_POSIX''@|$(GNULIB_SPRINTF_POSIX)|g' \ -e 's|@''GNULIB_VFPRINTF_POSIX''@|$(GNULIB_VFPRINTF_POSIX)|g' \ + -e 's|@''GNULIB_VPRINTF_POSIX''@|$(GNULIB_VPRINTF_POSIX)|g' \ -e 's|@''GNULIB_VSNPRINTF''@|$(GNULIB_VSNPRINTF)|g' \ -e 's|@''GNULIB_VSPRINTF_POSIX''@|$(GNULIB_VSPRINTF_POSIX)|g' \ -e 's|@''REPLACE_FPRINTF''@|$(REPLACE_FPRINTF)|g' \ -e 's|@''REPLACE_VFPRINTF''@|$(REPLACE_VFPRINTF)|g' \ + -e 's|@''REPLACE_VPRINTF''@|$(REPLACE_VPRINTF)|g' \ -e 's|@''REPLACE_SNPRINTF''@|$(REPLACE_SNPRINTF)|g' \ -e 's|@''HAVE_DECL_SNPRINTF''@|$(HAVE_DECL_SNPRINTF)|g' \ -e 's|@''REPLACE_VSNPRINTF''@|$(REPLACE_VSNPRINTF)|g' \