]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (c) 2010 Apple Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * This file contains Original Code and/or Modifications of Original Code | |
7 | * as defined in and that are subject to the Apple Public Source License | |
8 | * Version 2.0 (the 'License'). You may not use this file except in | |
9 | * compliance with the License. Please obtain a copy of the License at | |
10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
11 | * file. | |
12 | * | |
13 | * The Original Code and all software distributed under the License are | |
14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
18 | * Please see the License for the specific language governing rights and | |
19 | * limitations under the License. | |
20 | * | |
21 | * @APPLE_LICENSE_HEADER_END@ | |
22 | */ | |
23 | ||
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | ||
27 | extern void __chk_fail (void) __attribute__((__noreturn__)); | |
28 | ||
29 | void * | |
30 | __stpncpy_chk (char *restrict dest, char *restrict src, | |
31 | size_t len, size_t dstlen) | |
32 | { | |
33 | if (__builtin_expect (dstlen < len, 0)) | |
34 | __chk_fail (); | |
35 | ||
36 | return stpncpy (dest, src, len); | |
37 | } |