PDCLib includes with quotes, not <>.

[pdclib] / functions / stdio / fgetpos.c

diff --git a/functions/stdio/fgetpos.c b/functions/stdio/fgetpos.c
index b26979bd6e43a38483ca76625e9e1a11e4e18faf..ff88fba500ec7ac3793d49f9b7f455026464ccdb 100644 (file)
--- a/functions/stdio/fgetpos.c
+++ b/functions/stdio/fgetpos.c
@@ -1,8 +1,51 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// 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 */ };
+/* 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
+#include "_PDCLIB_io.h"
+
+int _PDCLIB_fgetpos_unlocked( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos )
+{
+    pos->offset = stream->pos.offset + stream->bufidx - stream->ungetidx;
+    pos->mbs    = stream->pos.mbs;
+    /* TODO: Add mbstate. */
+    return 0;
+}
+
+int fgetpos( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos )
+{
+    _PDCLIB_flockfile( stream );
+    int res = _PDCLIB_fgetpos_unlocked( stream, pos );
+    _PDCLIB_funlockfile( stream );
+    return res;
+}
+
+#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( (size_t)ftell( 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