diff options
Diffstat (limited to 'pjlib/include/pj/string_i.h')
| -rw-r--r-- | pjlib/include/pj/string_i.h | 47 |
1 files changed, 40 insertions, 7 deletions
diff --git a/pjlib/include/pj/string_i.h b/pjlib/include/pj/string_i.h index f800ba84..91aebfb0 100644 --- a/pjlib/include/pj/string_i.h +++ b/pjlib/include/pj/string_i.h @@ -169,6 +169,39 @@ PJ_IDEF(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2) } } +PJ_IDEF(int) strnicmp_alnum( const char *str1, const char *str2, + int len) +{ + if (len==0) + return 0; + else { + register const pj_uint32_t *p1 = (pj_uint32_t*)str1, + *p2 = (pj_uint32_t*)str2; + while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F)) + ++p1, ++p2, len-=4; + + if (len > 3) + return -1; +#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0 + else if (len==3) + return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1; + else if (len==2) + return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1; + else if (len==1) + return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1; +#else + else if (len==3) + return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1; + else if (len==2) + return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1; + else if (len==1) + return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1; +#endif + else + return 0; + } +} + PJ_IDEF(int) pj_stricmp_alnum(const pj_str_t *str1, const pj_str_t *str2) { register int len = str1->slen; @@ -180,25 +213,25 @@ PJ_IDEF(int) pj_stricmp_alnum(const pj_str_t *str1, const pj_str_t *str2) } else { register const pj_uint32_t *p1 = (pj_uint32_t*)str1->ptr, *p2 = (pj_uint32_t*)str2->ptr; - while (len > 3 && (*p1 & 0x1F1F1F1F)==(*p2 & 0x1F1F1F1F)) + while (len > 3 && (*p1 & 0x5F5F5F5F)==(*p2 & 0x5F5F5F5F)) ++p1, ++p2, len-=4; if (len > 3) return -1; #if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN!=0 else if (len==3) - return ((*p1 & 0x001F1F1F)==(*p2 & 0x001F1F1F)) ? 0 : -1; + return ((*p1 & 0x005F5F5F)==(*p2 & 0x005F5F5F)) ? 0 : -1; else if (len==2) - return ((*p1 & 0x00001F1F)==(*p2 & 0x00001F1F)) ? 0 : -1; + return ((*p1 & 0x00005F5F)==(*p2 & 0x00005F5F)) ? 0 : -1; else if (len==1) - return ((*p1 & 0x0000001F)==(*p2 & 0x0000001F)) ? 0 : -1; + return ((*p1 & 0x0000005F)==(*p2 & 0x0000005F)) ? 0 : -1; #else else if (len==3) - return ((*p1 & 0x1F1F1F00)==(*p2 & 0x1F1F1F00)) ? 0 : -1; + return ((*p1 & 0x5F5F5F00)==(*p2 & 0x5F5F5F00)) ? 0 : -1; else if (len==2) - return ((*p1 & 0x1F1F0000)==(*p2 & 0x1F1F0000)) ? 0 : -1; + return ((*p1 & 0x5F5F0000)==(*p2 & 0x5F5F0000)) ? 0 : -1; else if (len==1) - return ((*p1 & 0x1F000000)==(*p2 & 0x1F000000)) ? 0 : -1; + return ((*p1 & 0x5F000000)==(*p2 & 0x5F000000)) ? 0 : -1; #endif else return 0; |