Mercurial > hg > nginx-quic
annotate src/core/ngx_string.h @ 5142:afea5259e05c
Upstream: fixed tcp_nodelay with connection upgrade (ticket #325).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 27 Mar 2013 15:18:34 +0000 |
parents | 814541b2ec23 |
children | 72e31d88defa |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_STRING_H_INCLUDED_ |
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9 #define _NGX_STRING_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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16 typedef struct { |
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17 size_t len; |
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18 u_char *data; |
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19 } ngx_str_t; |
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649 | 22 typedef struct { |
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23 ngx_str_t key; |
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24 ngx_str_t value; |
649 | 25 } ngx_keyval_t; |
26 | |
27 | |
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28 typedef struct { |
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29 unsigned len:28; |
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30 |
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31 unsigned valid:1; |
1565 | 32 unsigned no_cacheable:1; |
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33 unsigned not_found:1; |
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34 unsigned escape:1; |
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35 |
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36 u_char *data; |
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37 } ngx_variable_value_t; |
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38 |
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39 |
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40 #define ngx_string(str) { sizeof(str) - 1, (u_char *) str } |
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41 #define ngx_null_string { 0, NULL } |
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42 #define ngx_str_set(str, text) \ |
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43 (str)->len = sizeof(text) - 1; (str)->data = (u_char *) text |
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44 #define ngx_str_null(str) (str)->len = 0; (str)->data = NULL |
477 | 45 |
46 | |
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47 #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c) |
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48 #define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c) |
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2135 | 50 void ngx_strlow(u_char *dst, u_char *src, size_t n); |
51 | |
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461 | 53 #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n) |
54 | |
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573 | 56 /* msvc and icc7 compile strcmp() to inline loop */ |
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57 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2) |
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461 | 59 |
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60 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2) |
2201 | 61 #define ngx_strlen(s) strlen((const char *) s) |
62 | |
1157 | 63 #define ngx_strchr(s1, c) strchr((const char *) s1, (int) c) |
2201 | 64 |
65 static ngx_inline u_char * | |
66 ngx_strlchr(u_char *p, u_char *last, u_char c) | |
67 { | |
68 while (p < last) { | |
69 | |
70 if (*p == c) { | |
71 return p; | |
72 } | |
73 | |
74 p++; | |
75 } | |
76 | |
77 return NULL; | |
78 } | |
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461 | 80 |
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81 /* |
573 | 82 * msvc and icc7 compile memset() to the inline "rep stos" |
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83 * while ZeroMemory() and bzero() are the calls. |
573 | 84 * icc7 may also inline several mov's of a zeroed register for small blocks. |
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85 */ |
515 | 86 #define ngx_memzero(buf, n) (void) memset(buf, 0, n) |
87 #define ngx_memset(buf, c, n) (void) memset(buf, c, n) | |
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88 |
461 | 89 |
583 | 90 #if (NGX_MEMCPY_LIMIT) |
91 | |
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92 void *ngx_memcpy(void *dst, const void *src, size_t n); |
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93 #define ngx_cpymem(dst, src, n) (((u_char *) ngx_memcpy(dst, src, n)) + (n)) |
583 | 94 |
95 #else | |
96 | |
573 | 97 /* |
98 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". | |
99 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. | |
100 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. | |
101 */ | |
515 | 102 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) |
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103 #define ngx_cpymem(dst, src, n) (((u_char *) memcpy(dst, src, n)) + (n)) |
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104 |
583 | 105 #endif |
106 | |
461 | 107 |
573 | 108 #if ( __INTEL_COMPILER >= 800 ) |
109 | |
110 /* | |
111 * the simple inline cycle copies the variable length strings up to 16 | |
112 * bytes faster than icc8 autodetecting _intel_fast_memcpy() | |
113 */ | |
114 | |
115 static ngx_inline u_char * | |
116 ngx_copy(u_char *dst, u_char *src, size_t len) | |
117 { | |
118 if (len < 17) { | |
119 | |
120 while (len) { | |
121 *dst++ = *src++; | |
122 len--; | |
123 } | |
124 | |
125 return dst; | |
126 | |
127 } else { | |
128 return ngx_cpymem(dst, src, len); | |
129 } | |
130 } | |
131 | |
132 #else | |
133 | |
134 #define ngx_copy ngx_cpymem | |
135 | |
136 #endif | |
137 | |
138 | |
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139 #define ngx_memmove(dst, src, n) (void) memmove(dst, src, n) |
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140 #define ngx_movemem(dst, src, n) (((u_char *) memmove(dst, src, n)) + (n)) |
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141 |
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142 |
573 | 143 /* msvc and icc7 compile memcmp() to the inline loop */ |
1648 | 144 #define ngx_memcmp(s1, s2, n) memcmp((const char *) s1, (const char *) s2, n) |
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461 | 146 |
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147 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); |
485 | 148 u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); |
503 | 149 u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); |
150 u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); | |
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151 u_char * ngx_cdecl ngx_slprintf(u_char *buf, u_char *last, const char *fmt, |
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152 ...); |
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153 u_char *ngx_vslprintf(u_char *buf, u_char *last, const char *fmt, va_list args); |
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154 #define ngx_vsnprintf(buf, max, fmt, args) \ |
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155 ngx_vslprintf(buf, buf + (max), fmt, args) |
455 | 156 |
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157 ngx_int_t ngx_strcasecmp(u_char *s1, u_char *s2); |
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158 ngx_int_t ngx_strncasecmp(u_char *s1, u_char *s2, size_t n); |
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159 |
1552 | 160 u_char *ngx_strnstr(u_char *s1, char *s2, size_t n); |
161 | |
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162 u_char *ngx_strstrn(u_char *s1, char *s2, size_t n); |
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163 u_char *ngx_strcasestrn(u_char *s1, char *s2, size_t n); |
2668 | 164 u_char *ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n); |
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165 |
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166 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n); |
455 | 167 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n); |
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168 ngx_int_t ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2); |
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169 ngx_int_t ngx_dns_strcmp(u_char *s1, u_char *s2); |
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171 ngx_int_t ngx_atoi(u_char *line, size_t n); |
3512 | 172 ngx_int_t ngx_atofp(u_char *line, size_t n, size_t point); |
501 | 173 ssize_t ngx_atosz(u_char *line, size_t n); |
174 off_t ngx_atoof(u_char *line, size_t n); | |
175 time_t ngx_atotm(u_char *line, size_t n); | |
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176 ngx_int_t ngx_hextoi(u_char *line, size_t n); |
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177 |
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178 u_char *ngx_hex_dump(u_char *dst, u_char *src, size_t len); |
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180 |
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nginx-0.0.10-2004-08-29-07:55:41 import
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181 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4) |
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182 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3) |
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183 |
452 | 184 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); |
185 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); | |
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186 ngx_int_t ngx_decode_base64url(ngx_str_t *dst, ngx_str_t *src); |
461 | 187 |
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188 uint32_t ngx_utf8_decode(u_char **p, size_t n); |
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189 size_t ngx_utf8_length(u_char *p, size_t n); |
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190 u_char *ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len); |
527 | 191 |
461 | 192 |
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193 #define NGX_ESCAPE_URI 0 |
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194 #define NGX_ESCAPE_ARGS 1 |
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195 #define NGX_ESCAPE_URI_COMPONENT 2 |
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196 #define NGX_ESCAPE_HTML 3 |
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197 #define NGX_ESCAPE_REFRESH 4 |
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198 #define NGX_ESCAPE_MEMCACHED 5 |
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199 #define NGX_ESCAPE_MAIL_AUTH 6 |
601 | 200 |
1593 | 201 #define NGX_UNESCAPE_URI 1 |
202 #define NGX_UNESCAPE_REDIRECT 2 | |
461 | 203 |
485 | 204 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, |
493 | 205 ngx_uint_t type); |
601 | 206 void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); |
1544 | 207 uintptr_t ngx_escape_html(u_char *dst, u_char *src, size_t size); |
208 | |
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nginx-0.0.10-2004-08-27-19:40:59 import
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209 |
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210 typedef struct { |
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211 ngx_rbtree_node_t node; |
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212 ngx_str_t str; |
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213 } ngx_str_node_t; |
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214 |
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215 |
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216 void ngx_str_rbtree_insert_value(ngx_rbtree_node_t *temp, |
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217 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); |
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218 ngx_str_node_t *ngx_str_rbtree_lookup(ngx_rbtree_t *rbtree, ngx_str_t *name, |
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219 uint32_t hash); |
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220 |
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nginx-0.0.1-2003-11-05-01:12:39 import
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221 |
1208 | 222 void ngx_sort(void *base, size_t n, size_t size, |
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223 ngx_int_t (*cmp)(const void *, const void *)); |
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224 #define ngx_qsort qsort |
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nginx-0.0.1-2002-08-06-20:39:45 import
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225 |
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nginx-0.0.1-2003-05-29-17:02:09 import
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226 |
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227 #define ngx_value_helper(n) #n |
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228 #define ngx_value(n) ngx_value_helper(n) |
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nginx-0.0.1-2003-05-19-20:39:14 import
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229 |
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230 |
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231 #endif /* _NGX_STRING_H_INCLUDED_ */ |