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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_STRING_H_INCLUDED_
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8 #define _NGX_STRING_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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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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19
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20
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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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23
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24
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26
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25 #define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c)
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26
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27
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10
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28 #if (NGX_WIN32)
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0
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29
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30 #define ngx_strncasecmp(s1, s2, n) \
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31 strnicmp((const char *) s1, (const char *) s2, n)
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32 #define ngx_strcasecmp(s1, s2) \
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33 stricmp((const char *) s1, (const char *) s2)
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34
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35 #else
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36
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37 #define ngx_strncasecmp(s1, s2, n) \
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38 strncasecmp((const char *) s1, (const char *) s2, n)
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39 #define ngx_strcasecmp(s1, s2) \
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40 strcasecmp((const char *) s1, (const char *) s2)
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41
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42 #endif
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43
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44
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10
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45 #define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n)
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46
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0
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47
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48 /* msvc and icc compile strcmp() to inline loop */
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49 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2)
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50
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51
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52 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2)
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53 #define ngx_strlen(s) strlen((const char *) s)
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54
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55
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56 /*
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57 * msvc and icc compile memset() to the inline "rep stos"
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58 * while ZeroMemory() and bzero() are the calls.
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59 * icc may also inline several mov's of a zeroed register for small blocks.
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60 */
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61 #define ngx_memzero(buf, n) memset(buf, 0, n)
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2
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62 #define ngx_memset(buf, c, n) memset(buf, c, n)
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0
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63
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64
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65 /* msvc and icc compile memcpy() to the inline "rep movs" */
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66 #define ngx_memcpy(dst, src, n) memcpy(dst, src, n)
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28
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67 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n)
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68
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69
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70 /* msvc and icc compile memcmp() to the inline loop */
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71 #define ngx_memcmp memcmp
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72
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73
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74 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n);
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10
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75 u_char *ngx_sprintf(u_char *buf, const char *fmt, ...);
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76 u_char *ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...);
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77 u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args);
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4
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78
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79 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n);
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4
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80 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n);
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0
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81
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82 ngx_int_t ngx_atoi(u_char *line, size_t n);
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83 ngx_int_t ngx_hextoi(u_char *line, size_t n);
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84
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85 void ngx_md5_text(u_char *text, u_char *md5);
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86
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87
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88 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4)
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89 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3)
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90
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2
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91 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src);
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92 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src);
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10
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93
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94
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95 #define NGX_ESCAPE_URI 0
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96 #define NGX_ESCAPE_HTML 1
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97
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98 ngx_uint_t ngx_escape_uri(u_char *dst, u_char *src, size_t size,
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99 ngx_uint_t type);
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0
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100
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101
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102 #define ngx_qsort qsort
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103
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104
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105 #define ngx_value_helper(n) #n
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106 #define ngx_value(n) ngx_value_helper(n)
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107
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108
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109 #endif /* _NGX_STRING_H_INCLUDED_ */
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