X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffflush.c;h=df458804dc3099274f024286c3c55db2091418d8;hb=84d648157e22cecc65902ecfdd4e3a1b88d5e53f;hp=5118503c530e413232e79dc8ece526356597ccf0;hpb=37de3232dda3b05297f00b4edc12d04bf4bf6eb3;p=pdclib.old

diff --git a/functions/stdio/fflush.c b/functions/stdio/fflush.c
index 5118503..df45880 100644
--- a/functions/stdio/fflush.c
+++ b/functions/stdio/fflush.c
@@ -13,7 +13,7 @@
 
 extern struct _PDCLIB_file_t * _PDCLIB_filelist;
 
-int fflush( struct _PDCLIB_file_t * stream )
+int fflush_unlocked( struct _PDCLIB_file_t * stream )
 {
     if ( stream == NULL )
     {
@@ -22,9 +22,12 @@ 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 +35,17 @@ int fflush( struct _PDCLIB_file_t * stream )
     }
     else
     {
-        return _PDCLIB_fflush( stream );
+        return _PDCLIB_flushbuffer( stream );
     }
 }
+
+int fflush( struct _PDCLIB_file_t * stream )
+{
+    flockfile( stream );
+    int res = fflush_unlocked(stream);
+    funlockfile( stream );
+    return res;
+}
                 
 #endif
 
@@ -43,7 +54,7 @@ int fflush( struct _PDCLIB_file_t * stream )
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    /* Testing covered by ftell.c */
     return TEST_RESULTS;
 }