-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
-int ungetc( int c, FILE * stream ) { /* TODO */ };
+/* ungetc( int, FILE * )
-/* PDPC code - unreviewed
+ 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
+
+int ungetc( int c, struct _PDCLIB_file_t * stream )
{
- if ((stream->ungetCh != -1) || (c == EOF))
+ if ( c == EOF || stream->ungetidx == _PDCLIB_UNGETCBUFSIZE )
{
- return (EOF);
+ return -1;
}
- stream->ungetCh = (unsigned char)c;
- stream->quickText = 0;
- return ((unsigned char)c);
+ return stream->ungetbuf[stream->ungetidx++] = (unsigned char) c;
}
-*/
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ /* Testing covered by ftell.c */
+ return TEST_RESULTS;
+}
+
+#endif