diff options
Diffstat (limited to 'openbsd-compat/strndup.c')
-rw-r--r-- | openbsd-compat/strndup.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/openbsd-compat/strndup.c b/openbsd-compat/strndup.c new file mode 100644 index 000000000..ebb4eccfb --- /dev/null +++ b/openbsd-compat/strndup.c | |||
@@ -0,0 +1,43 @@ | |||
1 | /* $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> | ||
5 | * | ||
6 | * Permission to use, copy, modify, and distribute this software for any | ||
7 | * purpose with or without fee is hereby granted, provided that the above | ||
8 | * copyright notice and this permission notice appear in all copies. | ||
9 | * | ||
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
17 | */ | ||
18 | |||
19 | #include "config.h" | ||
20 | #if !defined(HAVE_STRNDUP) || defined(BROKEN_STRNDUP) | ||
21 | #include <sys/types.h> | ||
22 | |||
23 | #include <stddef.h> | ||
24 | #include <stdlib.h> | ||
25 | #include <string.h> | ||
26 | |||
27 | char * | ||
28 | strndup(const char *str, size_t maxlen) | ||
29 | { | ||
30 | char *copy; | ||
31 | size_t len; | ||
32 | |||
33 | len = strnlen(str, maxlen); | ||
34 | copy = malloc(len + 1); | ||
35 | if (copy != NULL) { | ||
36 | (void)memcpy(copy, str, len); | ||
37 | copy[len] = '\0'; | ||
38 | } | ||
39 | |||
40 | return copy; | ||
41 | } | ||
42 | DEF_WEAK(strndup); | ||
43 | #endif /* HAVE_STRNDUP */ | ||