bug-gnulib
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

new module 'vprintf-posix'


From: Bruno Haible
Subject: new module 'vprintf-posix'
Date: Fri, 9 Mar 2007 04:41:39 +0100
User-agent: KMail/1.5.4

Here comes the POSIX compatible vprintf() substitute.

2007-03-08  Bruno Haible  <address@hidden>

        * 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' \





reply via email to

[Prev in Thread] Current Thread [Next in Thread]