Annotation of src/lib/libc/ssp/snprintf_chk.c, Revision 1.5
1.5 ! martin 1: /* $NetBSD: snprintf_chk.c,v 1.4 2007/08/04 19:37:52 kristerw Exp $ */
1.1 tls 2:
3: /*-
4: * Copyright (c) 2006 The NetBSD Foundation, Inc.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by Christos Zoulas.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29: * POSSIBILITY OF SUCH DAMAGE.
30: */
31: #include <sys/cdefs.h>
1.5 ! martin 32: __RCSID("$NetBSD: snprintf_chk.c,v 1.4 2007/08/04 19:37:52 kristerw Exp $");
1.1 tls 33:
34: /*LINTLIBRARY*/
35:
1.2 tls 36: #include <ssp/ssp.h>
1.1 tls 37: #include <stdio.h>
38: #include <stdarg.h>
1.4 kristerw 39: #include <ssp/stdio.h>
1.1 tls 40:
1.3 christos 41: #undef vsnprintf
42:
1.1 tls 43: /*ARGSUSED*/
44: int
45: __snprintf_chk(char * __restrict buf, size_t len, int flags, size_t slen,
46: const char * __restrict fmt, ...)
47: {
48: va_list ap;
49: int rv;
50:
51: if (len > slen)
52: __chk_fail();
53:
54: va_start(ap, fmt);
55: rv = vsnprintf(buf, len, fmt, ap);
56: va_end(ap);
57:
58: return rv;
59: }
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