snprintf.c
上传用户:weiyuanprp
上传日期:2020-05-20
资源大小:1169k
文件大小:2k
- /* $Id: snprintf.c,v 1.1.1.1 2005/11/11 21:32:03 faxguy Exp $
- /*
- * Copyright (c) 2000 Robert Colquhoun (rjc@trump.net.au)
- *
- * HylaFAX is a trademark of Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- #include "port.h"
- #include <stdarg.h>
- int
- snprintf(char* buf, size_t n, const char* fmt, ...)
- {
- int len;
- va_list ap;
- va_start(ap, fmt);
- len = vsprintf(buf, fmt, ap);
- va_end(ap);
- if (len >= n) {
- /* XXX have overflowed buffer - big trouble, need to abort */
- }
- return len;
- }