X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetpos.c;h=248fb356a0f07d5fb6ef91c904b97de758212ee4;hb=a7a8d2f1c85c2d7760d4d3479e90466cc3a81b04;hp=b26979bd6e43a38483ca76625e9e1a11e4e18faf;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/stdio/fgetpos.c b/functions/stdio/fgetpos.c
index b26979b..248fb35 100644
--- a/functions/stdio/fgetpos.c
+++ b/functions/stdio/fgetpos.c
@@ -1,8 +1,43 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fgetpos( FILE * restrict stream, fpos_t * restrict pos ) { /* TODO */ };
+/* $Id$ */
+
+/* fgetpos( FILE * , fpos_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>
+
+#ifndef REGTEST
+
+int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos )
+{
+    pos->offset = stream->pos.offset + stream->bufidx - stream->ungetidx;
+    pos->status = stream->pos.status;
+    /* TODO: Add mbstate. */
+    return 0;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+#include <string.h>
+
+int main( void )
+{
+    FILE * fh;
+    fpos_t pos1, pos2;
+    TESTCASE( ( fh = tmpfile() ) != NULL );
+    TESTCASE( fgetpos( fh, &pos1 ) == 0 );
+    TESTCASE( fwrite( teststring, 1, strlen( teststring ), fh ) == strlen( teststring ) );
+    TESTCASE( fgetpos( fh, &pos2 ) == 0 );
+    TESTCASE( fsetpos( fh, &pos1 ) == 0 );
+    TESTCASE( ftell( fh ) == 0 );
+    TESTCASE( fsetpos( fh, &pos2 ) == 0 );
+    TESTCASE( (size_t)ftell( fh ) == strlen( teststring ) );
+    TESTCASE( fclose( fh ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif