Mercurial > hg > nginx-quic
view src/core/ngx_string.h @ 781:836f099aa5cb
allow ranges for full flv files
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 16 Oct 2006 07:47:00 +0000 |
parents | 400711951595 |
children | eeadc558e86d |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_STRING_H_INCLUDED_ #define _NGX_STRING_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> typedef struct { size_t len; u_char *data; } ngx_str_t; typedef struct { ngx_str_t key; ngx_str_t value; } ngx_keyval_t; #define ngx_string(str) { sizeof(str) - 1, (u_char *) str } #define ngx_null_string { 0, NULL } #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c) #define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c) #if (NGX_WIN32) #define ngx_strncasecmp(s1, s2, n) \ strnicmp((const char *) s1, (const char *) s2, n) #define ngx_strcasecmp(s1, s2) \ stricmp((const char *) s1, (const char *) s2) #else #define ngx_strncasecmp(s1, s2, n) \ strncasecmp((const char *) s1, (const char *) s2, n) #define ngx_strcasecmp(s1, s2) \ strcasecmp((const char *) s1, (const char *) s2) #endif #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n) /* msvc and icc7 compile strcmp() to inline loop */ #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2) #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2) #define ngx_strlen(s) strlen((const char *) s) /* * msvc and icc7 compile memset() to the inline "rep stos" * while ZeroMemory() and bzero() are the calls. * icc7 may also inline several mov's of a zeroed register for small blocks. */ #define ngx_memzero(buf, n) (void) memset(buf, 0, n) #define ngx_memset(buf, c, n) (void) memset(buf, c, n) #if (NGX_MEMCPY_LIMIT) void *ngx_memcpy(void *dst, void *src, size_t n); #define ngx_cpymem(dst, src, n) ((u_char *) ngx_memcpy(dst, src, n)) + (n) #else /* * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. */ #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n) #endif #if ( __INTEL_COMPILER >= 800 ) /* * the simple inline cycle copies the variable length strings up to 16 * bytes faster than icc8 autodetecting _intel_fast_memcpy() */ static ngx_inline u_char * ngx_copy(u_char *dst, u_char *src, size_t len) { if (len < 17) { while (len) { *dst++ = *src++; len--; } return dst; } else { return ngx_cpymem(dst, src, len); } } #else #define ngx_copy ngx_cpymem #endif /* msvc and icc7 compile memcmp() to the inline loop */ #define ngx_memcmp memcmp u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args); 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_atoi(u_char *line, size_t n); ssize_t ngx_atosz(u_char *line, size_t n); off_t ngx_atoof(u_char *line, size_t n); time_t ngx_atotm(u_char *line, size_t n); ngx_int_t ngx_hextoi(u_char *line, size_t n); void ngx_md5_text(u_char *text, u_char *md5); #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4) #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3) void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); uint32_t ngx_utf_decode(u_char **p, size_t n); size_t ngx_utf_length(u_char *p, size_t n); u_char * ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n); #define NGX_ESCAPE_URI 0 #define NGX_ESCAPE_ARGS 1 #define NGX_ESCAPE_HTML 2 #define NGX_UNESCAPE_URI 1 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type); void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); #define ngx_qsort qsort #define ngx_value_helper(n) #n #define ngx_value(n) ngx_value_helper(n) #endif /* _NGX_STRING_H_INCLUDED_ */