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568035b7 | 1 | /* Copyright (C) 1992-2013 Free Software Foundation, Inc. |
b5cc329c UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
b5cc329c UD |
17 | |
18 | #ifdef HAVE_CONFIG_H | |
19 | # include <config.h> | |
20 | #endif | |
21 | ||
22 | #include <string.h> | |
23 | ||
24 | ||
25 | /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */ | |
26 | char * | |
27 | __stpcpy_chk (dest, src, destlen) | |
28 | char *dest; | |
29 | const char *src; | |
30 | size_t destlen; | |
31 | { | |
2e09a79a JM |
32 | char *d = dest; |
33 | const char *s = src; | |
b5cc329c UD |
34 | |
35 | do | |
36 | { | |
37 | if (__builtin_expect (destlen-- == 0, 0)) | |
38 | __chk_fail (); | |
39 | *d++ = *s; | |
40 | } | |
41 | while (*s++ != '\0'); | |
42 | ||
43 | return d - 1; | |
44 | } |