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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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25 #if (WIN32)
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26
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27 #define ngx_strncasecmp(s1, s2, n) \
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28 strnicmp((const char *) s1, (const char *) s2, n)
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29 #define ngx_strcasecmp(s1, s2) \
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30 stricmp((const char *) s1, (const char *) s2)
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31
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32 #define ngx_snprintf _snprintf
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33 #define ngx_vsnprintf _vsnprintf
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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 #define ngx_snprintf snprintf
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43 #define ngx_vsnprintf vsnprintf
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44
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45 #endif
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46
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47
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48 #define ngx_strncmp(s1, s2, n) \
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49 strncmp((const char *) s1, (const char *) s2, n)
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50
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51 /* msvc and icc compile strcmp() to inline loop */
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52 #define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2)
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53
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54 #define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2)
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55 #define ngx_strlen(s) strlen((const char *) s)
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56
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57 /*
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58 * msvc and icc compile memset() to the inline "rep stos"
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59 * while ZeroMemory() and bzero() are the calls.
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60 * icc may also inline several mov's of a zeroed register for small blocks.
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61 */
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62 #define ngx_memzero(buf, n) memset(buf, 0, n)
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63
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64 /* msvc and icc compile memcpy() to the inline "rep movs" */
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65 #define ngx_memcpy(dst, src, n) memcpy(dst, src, n)
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66 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + n
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67
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68 /* msvc and icc compile memcmp() to the inline loop */
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69 #define ngx_memcmp memcmp
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70
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71 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n);
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72 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n);
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73
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74 ngx_int_t ngx_atoi(u_char *line, size_t n);
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75 ngx_int_t ngx_hextoi(u_char *line, size_t n);
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76
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77 void ngx_md5_text(u_char *text, u_char *md5);
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78
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79
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80 #define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4)
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81 #define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3)
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82
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83 void ngx_encode_base64(ngx_str_t *src, ngx_str_t *dst);
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84 ngx_int_t ngx_decode_base64(ngx_str_t *src, ngx_str_t *dst);
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85
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86
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87 #define ngx_qsort qsort
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88
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89
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90 #define ngx_value_helper(n) #n
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91 #define ngx_value(n) ngx_value_helper(n)
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92
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93
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94 #endif /* _NGX_STRING_H_INCLUDED_ */
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