07a88422 |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * |
3 | * --------------------------------------------------------------------------------------- |
4 | * The following license statement only applies to this file (compat_strl.c). |
5 | * --------------------------------------------------------------------------------------- |
6 | * |
7 | * Permission is hereby granted, free of charge, |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
9 | * to deal in the Software without restriction, including without limitation the rights to |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
21 | */ |
22 | |
23 | #include <stdlib.h> |
24 | #include <ctype.h> |
25 | |
26 | #include <compat/strl.h> |
27 | |
28 | /* Implementation of strlcpy()/strlcat() based on OpenBSD. */ |
29 | |
30 | #ifndef __MACH__ |
31 | |
32 | size_t strlcpy(char *dest, const char *source, size_t size) |
33 | { |
34 | size_t src_size = 0; |
35 | size_t n = size; |
36 | |
37 | if (n) |
38 | while (--n && (*dest++ = *source++)) src_size++; |
39 | |
40 | if (!n) |
41 | { |
42 | if (size) *dest = '\0'; |
43 | while (*source++) src_size++; |
44 | } |
45 | |
46 | return src_size; |
47 | } |
48 | |
49 | size_t strlcat(char *dest, const char *source, size_t size) |
50 | { |
51 | size_t len = strlen(dest); |
52 | |
53 | dest += len; |
54 | |
55 | if (len > size) |
56 | size = 0; |
57 | else |
58 | size -= len; |
59 | |
60 | return len + strlcpy(dest, source, size); |
61 | } |
62 | #endif |
63 | |
64 | char *strldup(const char *s, size_t n) |
65 | { |
66 | char *dst = (char*)malloc(sizeof(char) * (n + 1)); |
67 | strlcpy(dst, s, n); |
68 | return dst; |
69 | } |