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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
ebbad4cc | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ebbad4cc | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
ebbad4cc UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 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/>. */ | |
28f540f4 | 17 | |
76b87c03 | 18 | #include <string.h> |
28f540f4 | 19 | |
9a0a462c UD |
20 | #undef __memccpy |
21 | #undef memccpy | |
22 | ||
23 | /* Copy no more than N bytes of SRC to DEST, stopping when C is found. | |
24 | Return the position in DEST one byte past where C was copied, or | |
25 | NULL if C was not found in the first N bytes of SRC. */ | |
ebbad4cc | 26 | void * |
8667f90e | 27 | __memccpy (void *dest, const void *src, int c, size_t n) |
28f540f4 | 28 | { |
2e09a79a JM |
29 | const char *s = src; |
30 | char *d = dest; | |
31 | const char x = c; | |
32 | size_t i = n; | |
28f540f4 RM |
33 | |
34 | while (i-- > 0) | |
35 | if ((*d++ = *s++) == x) | |
36 | return d; | |
37 | ||
38 | return NULL; | |
39 | } | |
40 | ||
41 | weak_alias (__memccpy, memccpy) |