| 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 Wstrtok_r wcstok |
| 12 | # define Wstrspn wcsspn |
| 13 | # define Wstrpbrk wcspbrk |
| 14 | #else |
| 15 | # define Wstrtok_r strtok_r |
| 16 | # define Wstrspn strspn |
| 17 | # define Wstrpbrk strpbrk |
| 18 | #endif |
| 19 | |
| 20 | Wchar *Wstrtok_r(Wchar * __restrict s1, const Wchar * __restrict s2, |
| 21 | Wchar ** __restrict next_start) |
| 22 | { |
| 23 | register Wchar *s; |
| 24 | register Wchar *p; |
| 25 | |
| 26 | #if 1 |
| 27 | if (((s = s1) != NULL) || ((s = *next_start) != NULL)) { |
| 28 | if (*(s += Wstrspn(s, s2))) { |
| 29 | if ((p = Wstrpbrk(s, s2)) != NULL) { |
| 30 | *p++ = 0; |
| 31 | } |
| 32 | } else { |
| 33 | p = s = NULL; |
| 34 | } |
| 35 | *next_start = p; |
| 36 | } |
| 37 | return s; |
| 38 | #else |
| 39 | if (!(s = s1)) { |
| 40 | s = *next_start; |
| 41 | } |
| 42 | if (s && *(s += Wstrspn(s, s2))) { |
| 43 | if (*(p = s + Wstrcspn(s, s2))) { |
| 44 | *p++ = 0; |
| 45 | } |
| 46 | *next_start = p; |
| 47 | return s; |
| 48 | } |
| 49 | return NULL; /* TODO: set *next_start = NULL for safety? */ |
| 50 | #endif |
| 51 | } |
| 52 | |
| 53 | #ifndef WANT_WIDE |
| 54 | libc_hidden_def(strtok_r) |
| 55 | #endif |