| // Copyright 2016 The Fuchsia Authors |
| // Copyright (c) 2008 Travis Geiselbrecht |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #include <ctype.h> |
| #include <string.h> |
| |
| int strnicmp(char const *s1, char const *s2, size_t len) { |
| unsigned char c1 = '\0'; |
| unsigned char c2 = '\0'; |
| |
| if (len > 0) { |
| do { |
| c1 = *s1; |
| c2 = *s2; |
| s1++; |
| s2++; |
| if (!c1) |
| break; |
| if (!c2) |
| break; |
| if (c1 == c2) |
| continue; |
| c1 = tolower(c1); |
| c2 = tolower(c2); |
| if (c1 != c2) |
| break; |
| } while (--len); |
| } |
| return (int)c1 - (int)c2; |
| } |
| #pragma weak strncasecmp = strnicmp |
