Mercurial > hg > nginx-quic
annotate src/core/ngx_string.c @ 375:744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 02 Jul 2004 15:54:34 +0000 |
parents | 8c5b69141dfd |
children | 37b5381fb6d8 |
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 |
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5 |
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6 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n) |
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7 { |
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8 if (n == 0) { |
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9 return dst; |
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10 } |
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11 |
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12 for (/* void */; --n; dst++, src++) { |
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13 *dst = *src; |
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14 |
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15 if (*dst == '\0') { |
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16 return dst; |
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17 } |
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18 } |
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19 |
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20 *dst = '\0'; |
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21 |
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22 return dst; |
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23 } |
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24 |
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25 |
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26 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n) |
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27 { |
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28 if (n == 0) { |
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29 return 0; |
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30 } |
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31 |
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32 n--; |
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33 |
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34 for ( ;; ) { |
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35 if (s1[n] != s2[n]) { |
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36 return s1[n] - s2[n]; |
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37 } |
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38 |
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39 if (n == 0) { |
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40 return 0; |
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41 } |
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42 |
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43 n--; |
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44 } |
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45 } |
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46 |
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47 |
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48 ngx_int_t ngx_atoi(u_char *line, size_t n) |
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49 { |
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50 ngx_int_t value; |
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51 |
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52 if (n == 0) { |
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53 return NGX_ERROR; |
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54 } |
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55 |
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56 for (value = 0; n--; line++) { |
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57 if (*line < '0' || *line > '9') { |
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58 return NGX_ERROR; |
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59 } |
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60 |
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61 value = value * 10 + (*line - '0'); |
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62 } |
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63 |
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64 if (value < 0) { |
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65 return NGX_ERROR; |
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66 |
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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 ngx_int_t ngx_hextoi(u_char *line, size_t n) |
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74 { |
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75 u_char ch; |
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76 ngx_int_t value; |
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77 |
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78 if (n == 0) { |
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79 return NGX_ERROR; |
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80 } |
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81 |
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82 for (value = 0; n--; line++) { |
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83 ch = *line; |
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84 |
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85 if (ch >= '0' && ch <= '9') { |
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86 value = value * 16 + (ch - '0'); |
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87 continue; |
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88 } |
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89 |
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90 if (ch >= 'A' && ch <= 'F') { |
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91 value = value * 16 + (ch - 'A' + 10); |
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92 continue; |
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93 } |
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94 |
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95 if (ch >= 'a' && ch <= 'f') { |
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96 value = value * 16 + (ch - 'a' + 10); |
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97 continue; |
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98 } |
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99 |
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100 return NGX_ERROR; |
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101 } |
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102 |
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103 if (value < 0) { |
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104 return NGX_ERROR; |
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105 |
83
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106 } else { |
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107 return value; |
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108 } |
69
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109 } |
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110 |
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111 |
290
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112 void ngx_md5_text(u_char *text, u_char *md5) |
174
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113 { |
290
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114 int i; |
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115 static u_char hex[] = "0123456789abcdef"; |
175
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116 |
176
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117 for (i = 0; i < 16; i++) { |
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118 *text++ = hex[md5[i] >> 4]; |
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119 *text++ = hex[md5[i] & 0xf]; |
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120 } |
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121 |
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122 *text = '\0'; |
174
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123 } |
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124 |
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125 |
69
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126 #if 0 |
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127 char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...) |
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128 { |
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129 va_list args; |
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130 |
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131 va_start(args, fmt); |
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132 |
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133 while (*fmt) { |
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134 switch(*fmt++) { |
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135 case '%': |
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136 switch(*fmt++) { |
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137 case 's': |
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138 s = va_arg(args, char *); |
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139 n += ngx_strlen(s); |
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140 break; |
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141 |
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142 default: |
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143 n++; |
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144 } |
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145 default: |
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146 n++; |
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147 } |
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148 } |
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149 |
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150 str = ngx_palloc(p, n); |
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151 |
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152 va_start(args, fmt); |
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153 |
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154 for (i = 0; i < n; i++) { |
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155 switch(*fmt++) { |
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156 case '%': |
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157 switch(*fmt++) { |
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158 case 's': |
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159 s = va_arg(args, char *); |
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160 while (str[i++] = s); |
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161 break; |
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162 |
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163 default: |
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164 n++; |
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165 } |
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166 default: |
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167 str[i] = *fmt; |
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168 } |
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169 } |
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170 |
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171 len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args); |
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172 |
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173 va_end(args); |
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174 |
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175 } |
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176 #endif |