X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffflush.c;h=85bd234b5a94cca01ea0b3a403b4b9d1a060bf1b;hb=e1c526e9bad3f6e69391e94059096145390508d3;hp=5118503c530e413232e79dc8ece526356597ccf0;hpb=f63c745c3dde325a2260f2f8b998e2b24bb6419e;p=pdclib

diff --git a/functions/stdio/fflush.c b/functions/stdio/fflush.c
index 5118503..85bd234 100644
--- a/functions/stdio/fflush.c
+++ b/functions/stdio/fflush.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* fflush( FILE * )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -9,11 +7,11 @@
 #include <stdio.h>
 
 #ifndef REGTEST
-#include <_PDCLIB_glue.h>
+#include <_PDCLIB_io.h>
 
-extern struct _PDCLIB_file_t * _PDCLIB_filelist;
+extern FILE * _PDCLIB_filelist;
 
-int fflush( struct _PDCLIB_file_t * stream )
+int _PDCLIB_fflush_unlocked( FILE * stream )
 {
     if ( stream == NULL )
     {
@@ -22,9 +20,12 @@ int fflush( struct _PDCLIB_file_t * stream )
         int rc = 0;
         while ( stream != NULL )
         {
-            if ( stream->bufidx > stream->bufend )
+            if ( stream->status & _PDCLIB_FWRITE )
             {
-                rc |= _PDCLIB_fflush( stream );
+                if ( _PDCLIB_flushbuffer( stream ) == EOF )
+                {
+                    rc = EOF;
+                }
             }
             stream = stream->next;
         }
@@ -32,9 +33,17 @@ int fflush( struct _PDCLIB_file_t * stream )
     }
     else
     {
-        return _PDCLIB_fflush( stream );
+        return _PDCLIB_flushbuffer( stream );
     }
 }
+
+int fflush( FILE * stream )
+{
+    _PDCLIB_flockfile( stream );
+    int res = _PDCLIB_fflush_unlocked(stream);
+    _PDCLIB_funlockfile( stream );
+    return res;
+}
                 
 #endif
 
@@ -43,7 +52,7 @@ int fflush( struct _PDCLIB_file_t * stream )
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    /* Testing covered by ftell.c */
     return TEST_RESULTS;
 }