Travis Geiselbrecht | 1d0df69 | 2008-09-01 02:26:09 -0700 | [diff] [blame^] | 1 | /* |
| 2 | ** Copyright 2001, Travis Geiselbrecht. All rights reserved. |
| 3 | ** Distributed under the terms of the NewOS License. |
| 4 | */ |
| 5 | /* |
| 6 | * Copyright (c) 2008 Travis Geiselbrecht |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining |
| 9 | * a copy of this software and associated documentation files |
| 10 | * (the "Software"), to deal in the Software without restriction, |
| 11 | * including without limitation the rights to use, copy, modify, merge, |
| 12 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 13 | * and to permit persons to whom the Software is furnished to do so, |
| 14 | * subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be |
| 17 | * included in all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 22 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 23 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | */ |
| 27 | #include <string.h> |
| 28 | #include <ctype.h> |
| 29 | #include <sys/types.h> |
| 30 | |
| 31 | int |
| 32 | strnicmp(char const *s1, char const *s2, size_t len) |
| 33 | { |
| 34 | unsigned char c1 = '\0'; |
| 35 | unsigned char c2 = '\0'; |
| 36 | |
| 37 | if(len > 0) { |
| 38 | do { |
| 39 | c1 = *s1; c2 = *s2; |
| 40 | s1++; s2++; |
| 41 | if(!c1) |
| 42 | break; |
| 43 | if(!c2) |
| 44 | break; |
| 45 | if(c1 == c2) |
| 46 | continue; |
| 47 | c1 = tolower(c1); |
| 48 | c2 = tolower(c2); |
| 49 | if (c1 != c2) |
| 50 | break; |
| 51 | } while(--len); |
| 52 | } |
| 53 | return (int)c1 - (int)c2; |
| 54 | } |
| 55 | #pragma weak strncasecmp=strnicmp |