Mercurial > hg > nginx
annotate src/core/ngx_string.h @ 644:610ff734a8cc
release-0.3.43 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 26 Apr 2006 15:21:08 +0000 |
parents | 77f77f53214a |
children | 1e720b0be7ec |
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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 { |
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16 size_t len; |
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17 u_char *data; |
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18 } ngx_str_t; |
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21 #define ngx_string(str) { sizeof(str) - 1, (u_char *) str } |
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22 #define ngx_null_string { 0, NULL } |
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24 |
477 | 25 #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c) |
501 | 26 #define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c) |
477 | 27 |
28 | |
461 | 29 #if (NGX_WIN32) |
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31 #define ngx_strncasecmp(s1, s2, n) \ |
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32 strnicmp((const char *) s1, (const char *) s2, n) |
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33 #define ngx_strcasecmp(s1, s2) \ |
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34 stricmp((const char *) s1, (const char *) s2) |
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36 #else |
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38 #define ngx_strncasecmp(s1, s2, n) \ |
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39 strncasecmp((const char *) s1, (const char *) s2, n) |
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40 #define ngx_strcasecmp(s1, s2) \ |
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41 strcasecmp((const char *) s1, (const char *) s2) |
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43 #endif |
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461 | 46 #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n) |
47 | |
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573 | 49 /* msvc and icc7 compile strcmp() to inline loop */ |
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50 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2) |
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53 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2) |
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54 #define ngx_strlen(s) strlen((const char *) s) |
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57 /* |
573 | 58 * msvc and icc7 compile memset() to the inline "rep stos" |
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59 * while ZeroMemory() and bzero() are the calls. |
573 | 60 * icc7 may also inline several mov's of a zeroed register for small blocks. |
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61 */ |
515 | 62 #define ngx_memzero(buf, n) (void) memset(buf, 0, n) |
63 #define ngx_memset(buf, c, n) (void) memset(buf, c, n) | |
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461 | 65 |
583 | 66 #if (NGX_MEMCPY_LIMIT) |
67 | |
68 void *ngx_memcpy(void *dst, void *src, size_t n); | |
69 #define ngx_cpymem(dst, src, n) ((u_char *) ngx_memcpy(dst, src, n)) + (n) | |
70 | |
71 #else | |
72 | |
573 | 73 /* |
74 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". | |
75 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. | |
76 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. | |
77 */ | |
515 | 78 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) |
479 | 79 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n) |
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80 |
583 | 81 #endif |
82 | |
461 | 83 |
573 | 84 #if ( __INTEL_COMPILER >= 800 ) |
85 | |
86 /* | |
87 * the simple inline cycle copies the variable length strings up to 16 | |
88 * bytes faster than icc8 autodetecting _intel_fast_memcpy() | |
89 */ | |
90 | |
91 static ngx_inline u_char * | |
92 ngx_copy(u_char *dst, u_char *src, size_t len) | |
93 { | |
94 if (len < 17) { | |
95 | |
96 while (len) { | |
97 *dst++ = *src++; | |
98 len--; | |
99 } | |
100 | |
101 return dst; | |
102 | |
103 } else { | |
104 return ngx_cpymem(dst, src, len); | |
105 } | |
106 } | |
107 | |
108 #else | |
109 | |
110 #define ngx_copy ngx_cpymem | |
111 | |
112 #endif | |
113 | |
114 | |
115 /* msvc and icc7 compile memcmp() to the inline loop */ | |
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116 #define ngx_memcmp memcmp |
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461 | 118 |
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119 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); |
485 | 120 u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); |
503 | 121 u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); |
122 u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); | |
461 | 123 u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args); |
455 | 124 |
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125 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n); |
455 | 126 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n); |
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128 ngx_int_t ngx_atoi(u_char *line, size_t n); |
501 | 129 ssize_t ngx_atosz(u_char *line, size_t n); |
130 off_t ngx_atoof(u_char *line, size_t n); | |
131 time_t ngx_atotm(u_char *line, size_t n); | |
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132 ngx_int_t ngx_hextoi(u_char *line, size_t n); |
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134 void ngx_md5_text(u_char *text, u_char *md5); |
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137 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4) |
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138 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3) |
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452 | 140 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); |
141 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); | |
461 | 142 |
523 | 143 size_t ngx_utf_length(ngx_str_t *utf); |
527 | 144 u_char * ngx_utf_cpystrn(u_char *dst, u_char *src, size_t n); |
145 | |
461 | 146 |
601 | 147 #define NGX_ESCAPE_URI 0 |
148 #define NGX_ESCAPE_ARGS 1 | |
149 #define NGX_ESCAPE_HTML 2 | |
150 | |
151 #define NGX_UNESCAPE_URI 1 | |
461 | 152 |
485 | 153 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, |
493 | 154 ngx_uint_t type); |
601 | 155 void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); |
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158 #define ngx_qsort qsort |
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161 #define ngx_value_helper(n) #n |
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162 #define ngx_value(n) ngx_value_helper(n) |
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165 #endif /* _NGX_STRING_H_INCLUDED_ */ |