Document functions that have been added to POSIX:2008.

[gnulib.git] / lib / stdio.in.h

diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index ef95580..0e12d94 100644 (file)
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -16,7 +16,9 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+#if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
+#endif
 
 #if defined __need_FILE || defined __need___FILE
 /* Special invocation convention inside glibc header files.  */
@@ -253,6 +255,7 @@ extern int vsprintf (char *str, const char *format, va_list args)
 
 #if @GNULIB_FOPEN@
 # if @REPLACE_FOPEN@
+#  undef fopen
 #  define fopen rpl_fopen
 extern FILE * fopen (const char *filename, const char *mode);
 # endif
@@ -266,6 +269,7 @@ extern FILE * fopen (const char *filename, const char *mode);
 
 #if @GNULIB_FREOPEN@
 # if @REPLACE_FREOPEN@
+#  undef freopen
 #  define freopen rpl_freopen
 extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
 # endif
@@ -371,6 +375,21 @@ extern long rpl_ftell (FILE *fp);
     fflush (f))
 #endif
 
+#if @GNULIB_FCLOSE@
+# if @REPLACE_FCLOSE@
+#  define fclose rpl_fclose
+  /* Close STREAM and its underlying file descriptor.  */
+extern int fclose (FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fclose
+# define fclose(f) \
+   (GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
+                     "use gnulib module fclose for portable " \
+                     "POSIX compliance"), \
+    fclose (f))
+#endif
+
 #if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 # undef fputc
 # define fputc rpl_fputc