projects / apple / libplatform.git / blame
| Commit | Line | Data |
|---|---|---|
| ada7c492 A |
1 | /* |
| 2 | * Copyright (c) 2013 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 12 | * | |
| 13 | * The Original Code and all software distributed under the License are | |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 20 | * | |
| 21 | * @APPLE_LICENSE_HEADER_END@ | |
| 22 | */ | |
| 23 | ||
| 24 | #ifndef _PLATFORM_COMPAT_H_ | |
| 25 | #define _PLATFORM_COMPAT_H_ | |
| 26 | ||
| 27 | #include <platform/string.h> | |
| 28 | ||
| 29 | __BEGIN_DECLS | |
| 30 | ||
| 31 | /* Helpers for other common non-primitive routines */ | |
| 32 | ||
| 33 | __header_always_inline | |
| 34 | size_t | |
| 35 | _platform_strlen(const char *s) { | |
| 36 | const char *t = _platform_memchr(s, '\0', SIZE_MAX); | |
| 37 | return (uintptr_t)t - (uintptr_t)s; | |
| 38 | } | |
| 39 | ||
| 40 | __header_always_inline | |
| 41 | size_t | |
| 42 | _platform_strlcpy(char * restrict dst, const char * restrict src, size_t maxlen) { | |
| 43 | const size_t srclen = _platform_strlen(src); | |
| 44 | if (srclen < maxlen) { | |
| 45 | _platform_memmove(dst, src, srclen+1); | |
| 46 | } else if (maxlen != 0) { | |
| 47 | _platform_memmove(dst, src, maxlen-1); | |
| 48 | dst[maxlen-1] = '\0'; | |
| 49 | } | |
| 50 | return srclen; | |
| 51 | } | |
| 52 | ||
| 53 | __END_DECLS | |
| 54 | ||
| 55 | /* Compat macros for primitives */ | |
| 56 | #define bzero _platform_bzero | |
| 57 | #define memchr _platform_memchr | |
| 58 | #define memcmp _platform_memcmp | |
| 59 | #define memmove _platform_memmove | |
| 60 | #define memccpy _platform_memccpy | |
| 61 | #define memset _platform_memset | |
| 62 | #define memset_pattern4 _platform_memset_pattern4 | |
| 63 | #define memset_pattern8 _platform_memset_pattern8 | |
| 64 | #define memset_pattern16 _platform_memset_pattern16 | |
| 65 | #define strchr _platform_strchr | |
| 66 | #define strcmp _platform_strcmp | |
| 67 | #define strncmp _platform_strncmp | |
| 68 | ||
| 69 | /* Compat macros for non-primitive helpers */ | |
| 70 | #define strlcpy _platform_strlcpy | |
| 71 | #define strlen _platform_strlen | |
| 72 | ||
| 73 | #endif /* _PLATFORM_COMPAT_H_ */ |