Mercurial > hg > nginx
annotate src/core/ngx_string.c @ 84:fab4cb00fe5b
nginx-0.0.1-2003-05-06-21:03:16 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 06 May 2003 17:03:16 +0000 |
parents | a7e45c45a95c |
children | 7ebc8b7fb816 |
rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_string.h> |
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5 |
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7 char *ngx_cpystrn(char *dst, char *src, size_t n) |
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8 { |
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9 if (n == 0) { |
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10 return dst; |
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11 } |
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12 |
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13 for (/* void */; --n; dst++, src++) { |
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14 *dst = *src; |
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15 |
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16 if (*dst == '\0') { |
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17 return dst; |
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18 } |
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19 } |
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20 |
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21 *dst = '\0'; |
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22 |
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23 return dst; |
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24 } |
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25 |
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26 |
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27 int ngx_rstrncmp(char *s1, char *s2, size_t n) |
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28 { |
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29 if (n == 0) { |
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30 return 0; |
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31 } |
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32 |
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33 n--; |
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34 |
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35 for ( ;; ) { |
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36 if (s1[n] != s2[n]) { |
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37 return (u_char) s1[n] - (u_char) s2[n]; |
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38 } |
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39 |
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40 if (n == 0) { |
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41 return 0; |
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42 } |
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43 |
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44 n--; |
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45 } |
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46 } |
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47 |
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48 |
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49 int ngx_atoi(char *line, size_t n) |
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50 { |
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51 int value; |
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52 |
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53 if (n == 0) { |
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54 return NGX_ERROR; |
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55 } |
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56 |
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57 for (value = 0; n--; line++) { |
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58 if (*line < '0' || *line > '9') { |
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59 return NGX_ERROR; |
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60 } |
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61 |
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62 value = value * 10 + (*line - '0'); |
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63 } |
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64 |
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65 if (value < 0) { |
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66 return NGX_ERROR; |
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67 } else { |
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68 return value; |
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69 } |
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70 } |
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71 |
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72 |
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73 #if 0 |
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74 char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...) |
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75 { |
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76 va_list args; |
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77 |
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78 va_start(args, fmt); |
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79 |
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80 while (*fmt) { |
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81 switch(*fmt++) { |
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82 case '%': |
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83 switch(*fmt++) { |
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84 case 's': |
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85 s = va_arg(args, char *); |
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86 n += ngx_strlen(s); |
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87 break; |
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88 |
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89 default: |
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90 n++; |
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91 } |
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92 default: |
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93 n++; |
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94 } |
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95 } |
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96 |
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97 str = ngx_palloc(p, n); |
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98 |
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99 va_start(args, fmt); |
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100 |
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101 for (i = 0; i < n; i++) { |
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102 switch(*fmt++) { |
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103 case '%': |
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104 switch(*fmt++) { |
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105 case 's': |
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106 s = va_arg(args, char *); |
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107 while (str[i++] = s); |
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108 break; |
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109 |
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110 default: |
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111 n++; |
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112 } |
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113 default: |
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114 str[i] = *fmt; |
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115 } |
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116 } |
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117 |
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118 len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args); |
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119 |
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120 va_end(args); |
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121 |
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122 } |
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123 #endif |