X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2F_PDCLIB_flushbuffer.c;fp=functions%2Fstdio%2F_PDCLIB_flushbuffer.c;h=ffbbb4f088c88ef84767a056e3570fd7c78055a4;hb=c5d49235e09fbd58416f10dec2799e61cf3431c8;hp=0000000000000000000000000000000000000000;hpb=4c7c56442f6b3e08c17594dd4e8095fca3aec9cf;p=pdclib

diff --git a/functions/stdio/_PDCLIB_flushbuffer.c b/functions/stdio/_PDCLIB_flushbuffer.c
new file mode 100644
index 0000000..ffbbb4f
--- /dev/null
+++ b/functions/stdio/_PDCLIB_flushbuffer.c
@@ -0,0 +1,56 @@
+/* _PDCLIB_flushbuffer( struct _PDCLIB_file_t * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+#include <string.h>
+
+#ifndef REGTEST
+#include <_PDCLIB_glue.h>
+
+int _PDCLIB_flushbuffer( struct _PDCLIB_file_t * stream )
+{
+    if ( ! ( stream->status & _PDCLIB_FBIN ) )
+    {
+        /* TODO: Text stream conversion here */
+    }
+
+    size_t written = 0;
+
+
+    while(written != stream->bufidx) {
+        size_t justWrote;
+        size_t toWrite = stream->bufidx - written;
+        bool res = stream->ops->write( stream->handle, stream->buffer + written, 
+                              toWrite, &justWrote);
+        written += justWrote;
+        stream->pos.offset += justWrote;
+
+        if(!res) {
+            stream->status |=_PDCLIB_ERRORFLAG;
+            stream->bufidx -= written;
+            memmove( stream->buffer, stream->buffer + written, stream->bufidx );
+            return EOF;
+        }
+    }
+
+    stream->bufidx = 0;
+    return 0;
+}
+
+#endif
+
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif
+