Mercurial > hg > nginx
annotate src/core/ngx_string.h @ 846:c2cae54f2045
fix add_before_body without add_after_body
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 14 Nov 2006 13:15:08 +0000 |
parents | 400711951595 |
children | eeadc558e86d |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #ifndef _NGX_STRING_H_INCLUDED_ |
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8 #define _NGX_STRING_H_INCLUDED_ |
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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15 typedef struct { |
649 | 16 size_t len; |
17 u_char *data; | |
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18 } ngx_str_t; |
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20 |
649 | 21 typedef struct { |
22 ngx_str_t key; | |
23 ngx_str_t value; | |
24 } ngx_keyval_t; | |
25 | |
26 | |
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27 #define ngx_string(str) { sizeof(str) - 1, (u_char *) str } |
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28 #define ngx_null_string { 0, NULL } |
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30 |
477 | 31 #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c) |
501 | 32 #define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c) |
477 | 33 |
34 | |
461 | 35 #if (NGX_WIN32) |
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37 #define ngx_strncasecmp(s1, s2, n) \ |
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38 strnicmp((const char *) s1, (const char *) s2, n) |
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39 #define ngx_strcasecmp(s1, s2) \ |
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40 stricmp((const char *) s1, (const char *) s2) |
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42 #else |
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44 #define ngx_strncasecmp(s1, s2, n) \ |
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45 strncasecmp((const char *) s1, (const char *) s2, n) |
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46 #define ngx_strcasecmp(s1, s2) \ |
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47 strcasecmp((const char *) s1, (const char *) s2) |
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49 #endif |
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461 | 52 #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n) |
53 | |
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573 | 55 /* msvc and icc7 compile strcmp() to inline loop */ |
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56 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2) |
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461 | 58 |
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59 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2) |
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60 #define ngx_strlen(s) strlen((const char *) s) |
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461 | 62 |
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63 /* |
573 | 64 * msvc and icc7 compile memset() to the inline "rep stos" |
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65 * while ZeroMemory() and bzero() are the calls. |
573 | 66 * icc7 may also inline several mov's of a zeroed register for small blocks. |
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67 */ |
515 | 68 #define ngx_memzero(buf, n) (void) memset(buf, 0, n) |
69 #define ngx_memset(buf, c, n) (void) memset(buf, c, n) | |
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70 |
461 | 71 |
583 | 72 #if (NGX_MEMCPY_LIMIT) |
73 | |
74 void *ngx_memcpy(void *dst, void *src, size_t n); | |
75 #define ngx_cpymem(dst, src, n) ((u_char *) ngx_memcpy(dst, src, n)) + (n) | |
76 | |
77 #else | |
78 | |
573 | 79 /* |
80 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". | |
81 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. | |
82 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. | |
83 */ | |
515 | 84 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) |
479 | 85 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n) |
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86 |
583 | 87 #endif |
88 | |
461 | 89 |
573 | 90 #if ( __INTEL_COMPILER >= 800 ) |
91 | |
92 /* | |
93 * the simple inline cycle copies the variable length strings up to 16 | |
94 * bytes faster than icc8 autodetecting _intel_fast_memcpy() | |
95 */ | |
96 | |
97 static ngx_inline u_char * | |
98 ngx_copy(u_char *dst, u_char *src, size_t len) | |
99 { | |
100 if (len < 17) { | |
101 | |
102 while (len) { | |
103 *dst++ = *src++; | |
104 len--; | |
105 } | |
106 | |
107 return dst; | |
108 | |
109 } else { | |
110 return ngx_cpymem(dst, src, len); | |
111 } | |
112 } | |
113 | |
114 #else | |
115 | |
116 #define ngx_copy ngx_cpymem | |
117 | |
118 #endif | |
119 | |
120 | |
121 /* msvc and icc7 compile memcmp() to the inline loop */ | |
107
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122 #define ngx_memcmp memcmp |
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123 |
461 | 124 |
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125 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); |
485 | 126 u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); |
503 | 127 u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); |
128 u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); | |
461 | 129 u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args); |
455 | 130 |
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131 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n); |
455 | 132 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n); |
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134 ngx_int_t ngx_atoi(u_char *line, size_t n); |
501 | 135 ssize_t ngx_atosz(u_char *line, size_t n); |
136 off_t ngx_atoof(u_char *line, size_t n); | |
137 time_t ngx_atotm(u_char *line, size_t n); | |
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138 ngx_int_t ngx_hextoi(u_char *line, size_t n); |
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140 void ngx_md5_text(u_char *text, u_char *md5); |
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143 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4) |
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144 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3) |
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145 |
452 | 146 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); |
147 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); | |
461 | 148 |
657 | 149 uint32_t ngx_utf_decode(u_char **p, size_t n); |
150 size_t ngx_utf_length(u_char *p, size_t n); | |
527 | 151 u_char * ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n); |
152 | |
461 | 153 |
601 | 154 #define NGX_ESCAPE_URI 0 |
155 #define NGX_ESCAPE_ARGS 1 | |
156 #define NGX_ESCAPE_HTML 2 | |
157 | |
158 #define NGX_UNESCAPE_URI 1 | |
461 | 159 |
485 | 160 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, |
493 | 161 ngx_uint_t type); |
601 | 162 void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); |
408
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165 #define ngx_qsort qsort |
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168 #define ngx_value_helper(n) #n |
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169 #define ngx_value(n) ngx_value_helper(n) |
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172 #endif /* _NGX_STRING_H_INCLUDED_ */ |