From: Bruno Haible <bruno@clisp.org>
Date: Wed, 25 Apr 2007 07:09:29 +0000 (+0000)
Subject: fflush & GNULIB_POSIXCHECK.
X-Git-Tag: cvs-readonly~511
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=b043f8b380f24e6cc52e7864c140765566068c2b;p=gnulib.git

fflush & GNULIB_POSIXCHECK.
---

diff --git a/ChangeLog b/ChangeLog
index 33c7d57fd..bf3901e4e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2007-04-25  Bruno Haible  <bruno@clisp.org>
 
+	* lib/stdio_.h (fflush): Add support for GNULIB_POSIXCHECK.
+
+2007-04-25  Bruno Haible  <bruno@clisp.org>
+
 	* lib/unistd_.h: Include <stdio.h> if needed to get the SEEK_* macros.
 	* tests/test-stdio.c: Check that the various SEEK_* macros are defined.
 	* tests/test-unistd.c: Likewise.
diff --git a/lib/stdio_.h b/lib/stdio_.h
index a87bf8da7..2a5a253c6 100644
--- a/lib/stdio_.h
+++ b/lib/stdio_.h
@@ -207,11 +207,20 @@ extern int vsprintf (char *str, const char *format, va_list args)
 # endif
 #endif
 
-#if @GNULIB_FFLUSH@ && @REPLACE_FFLUSH@
-# define fflush rpl_fflush
+#if @GNULIB_FFLUSH@
+# if @REPLACE_FFLUSH@
+#  define fflush rpl_fflush
   /* Flush all pending data on STREAM according to POSIX rules.  Both
      output and seekable input streams are supported.  */
   extern int fflush (FILE *gl_stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fflush
+# define fflush(f) \
+   (GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
+                     "use gnulib module fflush for portable " \
+                     "POSIX compliance"), \
+    fflush (f))
 #endif
 
 #ifdef __cplusplus