Mercurial > hg > nginx-quic
changeset 1542:f5bd1a7ed2cd
ngx_strstrn() and ngx_strcasestrn()
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 26 Sep 2007 19:25:52 +0000 |
parents | 22629796df09 |
children | 8596627c4cc5 |
files | src/core/ngx_string.c src/core/ngx_string.h |
diffstat | 2 files changed, 52 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/core/ngx_string.c +++ b/src/core/ngx_string.c @@ -503,6 +503,55 @@ ngx_strncasecmp(u_char *s1, u_char *s2, } +u_char * +ngx_strstrn(u_char *s1, char *s2, size_t n) +{ + u_char c1, c2; + + c2 = *(u_char *) s2++; + + do { + do { + c1 = *s1++; + + if (c1 == 0) { + return NULL; + } + + } while (c1 != c2); + + } while (ngx_strncmp(s1, (u_char *) s2, n) != 0); + + return --s1; +} + + +u_char * +ngx_strcasestrn(u_char *s1, char *s2, size_t n) +{ + ngx_uint_t c1, c2; + + c2 = (ngx_uint_t) *s2++; + c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2; + + do { + do { + c1 = (ngx_uint_t) *s1++; + + if (c1 == 0) { + return NULL; + } + + c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1; + + } while (c1 != c2); + + } while (ngx_strncasecmp(s1, (u_char *) s2, n) != 0); + + return --s1; +} + + ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) {
--- a/src/core/ngx_string.h +++ b/src/core/ngx_string.h @@ -126,6 +126,9 @@ u_char *ngx_vsnprintf(u_char *buf, size_ ngx_int_t ngx_strcasecmp(u_char *s1, u_char *s2); ngx_int_t ngx_strncasecmp(u_char *s1, u_char *s2, size_t n); +u_char *ngx_strstrn(u_char *s1, char *s2, size_t n); +u_char *ngx_strcasestrn(u_char *s1, char *s2, size_t n); + ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n); ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n); ngx_int_t ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2);