X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffseek.c;h=f33f250938a0e1cdaaa7fddbe6f971b2e8d52b3a;hb=e8945ee2684f5c8de0104ea183de2010ae72ffd5;hp=b4e76b9cbab17e4cea0c85372e0816fb16d42c2f;hpb=e5456e3c2697c4e17fc9aa3439f2e305517b4d96;p=pdclib.old

diff --git a/functions/stdio/fseek.c b/functions/stdio/fseek.c
index b4e76b9..f33f250 100644
--- a/functions/stdio/fseek.c
+++ b/functions/stdio/fseek.c
@@ -1,65 +1,30 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* $Id$ */
 
-int fseek( FILE * stream, long offset, int mode ) { /* TODO */ };
+/* fseek( FILE *, long int, int )
 
-/* PDPC code - unreviewed
-Read the note in fopen.c.
+   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 fseek( struct _PDCLIB_file_t * stream, long int offset, int whence )
 {
-    long newpos;
-#ifdef __OS2__
-    ULONG retpos;
-    APIRET rc;
-#endif
+    /* TODO: Implement. */
+    return 0;
+}
 
-    if (stream->mode == __WRITE_MODE)
-    {
-        fflush(stream);
-    }
-    if (whence == SEEK_SET)
-    {
-        newpos = offset;
-    }
-    else if (whence == SEEK_CUR)
-    {
-        newpos = offset + stream->bufStartR + (stream->upto - stream->fbuf);
-    }
-    if ((newpos > stream->bufStartR)
-        && (newpos < (stream->bufStartR + (stream->endbuf - stream->fbuf)))
-        && stream->update)
-    {
-        stream->upto = stream->fbuf + (size_t)(newpos - stream->bufStartR);
-    }
-    else
-    {
-#ifdef __OS2__
-        rc = DosSetFilePtr(stream->hfile, newpos, FILE_BEGIN, &retpos);
-        if ((rc != 0) || (retpos != newpos))
-        {
-            errno = rc;
-            return (-1);
-        }
-        else
-        {
-            stream->endbuf = stream->fbuf + stream->szfbuf;
-            stream->upto = stream->endbuf;
-            stream->bufStartR = newpos - stream->szfbuf;
-        }
-#endif
-#ifdef __MSDOS
-        __seek(stream->hfile, newpos, whence);
-        stream->endbuf = stream->fbuf + stream->szfbuf;
-        stream->upto = stream->endbuf;
-        stream->bufStartR = newpos - stream->szfbuf;
 #endif
-    }
-    stream->quickBin = 0;
-    stream->quickText = 0;
-    stream->ungetCh = -1;
-    return (0);
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( NO_TESTDRIVER );
+    return TEST_RESULTS;
 }
-*/
+
+#endif