X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2F_PDCLIB_fillbuffer.c;fp=functions%2Fstdio%2F_PDCLIB_fillbuffer.c;h=dfdfe262510d858043e23bfb3a30505271bbb2f0;hb=c5d49235e09fbd58416f10dec2799e61cf3431c8;hp=0000000000000000000000000000000000000000;hpb=4c7c56442f6b3e08c17594dd4e8095fca3aec9cf;p=pdclib

diff --git a/functions/stdio/_PDCLIB_fillbuffer.c b/functions/stdio/_PDCLIB_fillbuffer.c
new file mode 100644
index 0000000..dfdfe26
--- /dev/null
+++ b/functions/stdio/_PDCLIB_fillbuffer.c
@@ -0,0 +1,45 @@
+/* _PDCLIB_fillbuffer( struct _PDCLIB_file_t * stream )
+
+   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>
+
+#ifndef REGTEST
+#include <_PDCLIB_glue.h>
+
+int _PDCLIB_fillbuffer( struct _PDCLIB_file_t * stream )
+{
+    size_t bytesRead;
+    bool ok = stream->ops->read( stream->handle, stream->buffer, stream->bufsize,
+                        &bytesRead);
+
+    if( ok ) {
+        if( bytesRead == 0 ) {
+            stream->status |= _PDCLIB_EOFFLAG;
+            return EOF;
+        }
+        stream->pos.offset += bytesRead;
+        stream->bufend = bytesRead;
+        stream->bufidx = 0;
+        return 0;
+    } else {
+        stream->status |= _PDCLIB_ERRORFLAG;
+        return EOF;
+    }
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif
+