| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Manuel Novoa III |
| 3 | * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> |
| 4 | * |
| 5 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 6 | */ |
| 7 | |
| 8 | #include "_string.h" |
| 9 | |
| 10 | #ifdef WANT_WIDE |
| 11 | # define Wstrncmp wcsncmp |
| 12 | #else |
| 13 | # define Wstrncmp strncmp |
| 14 | #endif |
| 15 | |
| 16 | int Wstrncmp(register const Wchar *s1, register const Wchar *s2, size_t n) |
| 17 | { |
| 18 | #ifdef WANT_WIDE |
| 19 | while (n && (*((Wuchar *)s1) == *((Wuchar *)s2))) { |
| 20 | if (!*s1++) { |
| 21 | return 0; |
| 22 | } |
| 23 | ++s2; |
| 24 | --n; |
| 25 | } |
| 26 | |
| 27 | return (n == 0) ? 0 : (*((Wuchar *)s1) - *((Wuchar *)s2)); |
| 28 | #else |
| 29 | int r = 0; |
| 30 | |
| 31 | while (n-- |
| 32 | && ((r = ((int)(*((unsigned char *)s1))) - *((unsigned char *)s2++)) |
| 33 | == 0) |
| 34 | && *s1++); |
| 35 | |
| 36 | return r; |
| 37 | #endif |
| 38 | } |
| 39 | #ifndef WANT_WIDE |
| 40 | libc_hidden_weak(strncmp) |
| 41 | #endif |