Mercurial > hg > nginx
comparison src/core/ngx_string.c @ 2668:2f9c37445ffb
ngx_strlcasestrn()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Sat, 04 Apr 2009 17:31:54 +0000 |
| parents | 0433bc27e468 |
| children | 278f30cc7d48 |
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| 2667:c1ac00c2bc75 | 2668:2f9c37445ffb |
|---|---|
| 690 | 690 |
| 691 return --s1; | 691 return --s1; |
| 692 } | 692 } |
| 693 | 693 |
| 694 | 694 |
| 695 /* | |
| 696 * ngx_strlcasestrn() is intended to search for static substring | |
| 697 * with known length in string until the argument last. The argument n | |
| 698 * must be length of the second substring - 1. | |
| 699 */ | |
| 700 | |
| 701 u_char * | |
| 702 ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n) | |
| 703 { | |
| 704 ngx_uint_t c1, c2; | |
| 705 | |
| 706 c2 = (ngx_uint_t) *s2++; | |
| 707 c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; | |
| 708 last -= n; | |
| 709 | |
| 710 do { | |
| 711 do { | |
| 712 if (s1 == last) { | |
| 713 return NULL; | |
| 714 } | |
| 715 | |
| 716 c1 = (ngx_uint_t) *s1++; | |
| 717 | |
| 718 c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; | |
| 719 | |
| 720 } while (c1 != c2); | |
| 721 | |
| 722 } while (ngx_strncasecmp(s1, s2, n) != 0); | |
| 723 | |
| 724 return --s1; | |
| 725 } | |
| 726 | |
| 727 | |
| 695 ngx_int_t | 728 ngx_int_t |
| 696 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) | 729 ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) |
| 697 { | 730 { |
| 698 if (n == 0) { | 731 if (n == 0) { |
| 699 return 0; | 732 return 0; |