Mercurial > gnulib
view m4/fopen.m4 @ 30222:3c8170dabe46
Override fopen more carefully.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 28 Sep 2008 16:12:20 +0200 |
parents | d1ad3e4625ee |
children | f6cba5a556ce |
line wrap: on
line source
# fopen.m4 serial 3 dnl Copyright (C) 2007-2008 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_FOPEN], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) case "$host_os" in mingw* | pw*) REPLACE_FOPEN=1 AC_LIBOBJ([fopen]) ;; *) dnl fopen("foo/", "w") should not create a file when the file name has a dnl trailing slash. AC_CACHE_CHECK([whether fopen recognizes a trailing slash], [gl_cv_func_fopen_slash], [ AC_TRY_RUN([ #include <stddef.h> #include <stdio.h> int main () { return fopen ("conftest.sl/", "w") != NULL; }], [gl_cv_func_fopen_slash=yes], [gl_cv_func_fopen_slash=no], [ changequote(,)dnl case "$host_os" in solaris2.[0-9]*) gl_cv_func_fopen_slash="guessing no" ;; hpux*) gl_cv_func_fopen_slash="guessing no" ;; *) gl_cv_func_fopen_slash="guessing yes" ;; esac changequote([,])dnl ]) rm -f conftest.sl ]) case "$gl_cv_func_fopen_slash" in *no) AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], 1, [Define to 1 if fopen() fails to recognize a trailing slash.]) REPLACE_FOPEN=1 AC_LIBOBJ([fopen]) gl_PREREQ_FOPEN ;; esac ;; esac ]) # Prerequisites of lib/fopen.c. AC_DEFUN([gl_PREREQ_FOPEN], [ AC_REQUIRE([AC_C_INLINE]) ])