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3719602c PC |
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 |