From: Unknown <> Date: Thu, 31 Aug 2006 02:05:41 +0000 (+0000) Subject: add files for 2006-08-31T02:05:41Z X-Git-Tag: imap-2007a1~175 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8e874bd68ca6c3dec4b1b7381e8c46b6c1ace5ad;p=uw-imap add files for 2006-08-31T02:05:41Z --- diff --git a/src/osdep/unix/truncate.c b/src/osdep/unix/truncate.c new file mode 100644 index 0000000..3dde107 --- /dev/null +++ b/src/osdep/unix/truncate.c @@ -0,0 +1,43 @@ +/* ======================================================================== + * Copyright 1988-2006 University of Washington + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * + * ======================================================================== + */ + +/* + * Program: Truncate a file + * + * Author: Mark Crispin + * Networks and Distributed Computing + * Computing & Communications + * University of Washington + * Administration Building, AG-44 + * Seattle, WA 98195 + * Internet: MRC@CAC.Washington.EDU + * + * Date: 30 June 1994 + * Last Edited: 30 August 2006 + */ + +/* Emulator for ftruncate() call + * Accepts: file descriptor + * length + * Returns: 0 if success, -1 if failure + */ + +int ftruncate (int fd,off_t length) +{ + struct flock fb; + fb.l_whence = 0; + fb.l_len = 0; + fb.l_start = length; + fb.l_type = F_WRLCK; /* write lock on file space */ + return fcntl (fd,F_FREESP,&fb); +}