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0
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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 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9
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10
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11 u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n)
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12 {
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13 if (n == 0) {
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14 return dst;
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15 }
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16
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17 for (/* void */; --n; dst++, src++) {
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18 *dst = *src;
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19
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20 if (*dst == '\0') {
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21 return dst;
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22 }
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23 }
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24
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25 *dst = '\0';
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26
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27 return dst;
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28 }
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29
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30
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34
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31 u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src)
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32 {
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33 u_char *dst;
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34
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35 if (!(dst = ngx_palloc(pool, src->len))) {
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36 return NULL;
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37 }
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38
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39 ngx_memcpy(dst, src->data, src->len);
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40
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41 return dst;
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42 }
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43
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44
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4
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45 /*
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46 * supported formats:
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22
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47 * %[0][width][x][X]O off_t
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10
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48 * %[0][width]T time_t
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49 * %[0][width][u][x|X]z ssize_t/size_t
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50 * %[0][width][u][x|X]d int/u_int
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51 * %[0][width][u][x|X]l long
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52 * %[0][width|m][u][x|X]i ngx_int_t/ngx_uint_t
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53 * %[0][width][u][x|X]D int32_t/uint32_t
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54 * %[0][width][u][x|X]L int64_t/uint64_t
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55 * %P ngx_pid_t
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56 * %r rlim_t
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57 * %p pointer
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58 * %V pointer to ngx_str_t
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59 * %s null-terminated string
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60 * %Z '\0'
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61 * %c char
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62 * %% %
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4
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63 *
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10
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64 * TODO:
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65 * %M ngx_msec_t
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66 * %A ngx_atomic_t
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67 *
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68 * reserved:
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69 * %t ptrdiff_t
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70 * %S null-teminated wchar string
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71 * %C wchar
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4
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72 */
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73
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10
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74
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75 u_char *ngx_sprintf(u_char *buf, const char *fmt, ...)
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76 {
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77 u_char *p;
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78 va_list args;
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79
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80 va_start(args, fmt);
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81 p = ngx_vsnprintf(buf, /* STUB */ 65536, fmt, args);
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82 va_end(args);
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83
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84 return p;
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85 }
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86
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87
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88 u_char *ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...)
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4
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89 {
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10
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90 u_char *p;
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91 va_list args;
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92
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93 va_start(args, fmt);
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94 p = ngx_vsnprintf(buf, max, fmt, args);
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95 va_end(args);
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96
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97 return p;
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98 }
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99
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4
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100
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10
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101 u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
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102 {
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28
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103 u_char *p, zero, *last, temp[NGX_INT64_LEN + 1];
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104 /*
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105 * really we need temp[NGX_INT64_LEN] only,
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106 * but icc shows the warning
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107 */
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10
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108 int d;
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109 size_t len;
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110 uint32_t ui32;
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111 int64_t i64;
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112 uint64_t ui64;
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113 ngx_str_t *s;
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114 ngx_uint_t width, sign, hexadecimal;
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115 static u_char hex[] = "0123456789abcdef";
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116 static u_char HEX[] = "0123456789ABCDEF";
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4
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117
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10
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118 if (max == 0) {
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119 return buf;
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120 }
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121
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122 last = buf + max;
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123
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124 while (*fmt && buf < last) {
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125
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126 /*
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127 * "buf < last" means that we could copy at least one character:
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128 * the plain character, "%%", "%c", and minus without the checking
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129 */
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130
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4
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131 if (*fmt == '%') {
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132
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10
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133 i64 = 0;
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134 ui64 = 0;
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135
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136 zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
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4
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137 width = 0;
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138 sign = 1;
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139 hexadecimal = 0;
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140
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26
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141 p = temp + NGX_INT64_LEN;
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4
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142
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143 while (*fmt >= '0' && *fmt <= '9') {
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144 width = width * 10 + *fmt++ - '0';
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145 }
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146
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147
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148 for ( ;; ) {
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149 switch (*fmt) {
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150
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151 case 'u':
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152 sign = 0;
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153 fmt++;
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154 continue;
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155
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16
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156 case 'm':
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157 width = NGX_INT_T_LEN;
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158 fmt++;
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159 continue;
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160
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10
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161 case 'X':
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162 hexadecimal = 2;
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163 sign = 0;
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164 fmt++;
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165 continue;
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166
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4
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167 case 'x':
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168 hexadecimal = 1;
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10
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169 sign = 0;
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4
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170 fmt++;
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171 continue;
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172
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173 default:
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174 break;
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175 }
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176
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177 break;
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178 }
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179
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180
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181 switch (*fmt) {
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182
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10
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183 case 'V':
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184 s = va_arg(args, ngx_str_t *);
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4
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185
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10
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186 len = (buf + s->len < last) ? s->len : (size_t) (last - buf);
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187 buf = ngx_cpymem(buf, s->data, len);
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188 fmt++;
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4
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189
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10
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190 continue;
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4
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191
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192 case 's':
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10
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193 p = va_arg(args, u_char *);
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4
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194
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10
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195 while (*p && buf < last) {
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4
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196 *buf++ = *p++;
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197 }
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198 fmt++;
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199
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200 continue;
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201
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10
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202 case 'O':
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203 i64 = (int64_t) va_arg(args, off_t);
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204 sign = 1;
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205 break;
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206
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207 case 'P':
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208 i64 = (int64_t) va_arg(args, ngx_pid_t);
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209 sign = 1;
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210 break;
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211
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212 case 'T':
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213 i64 = (int64_t) va_arg(args, time_t);
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214 sign = 1;
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215 break;
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216
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217 case 'z':
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218 if (sign) {
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219 i64 = (int64_t) va_arg(args, ssize_t);
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220 } else {
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221 ui64 = (uint64_t) va_arg(args, size_t);
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222 }
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223 break;
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224
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225 case 'i':
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226 if (sign) {
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227 i64 = (int64_t) va_arg(args, ngx_int_t);
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228 } else {
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229 ui64 = (uint64_t) va_arg(args, ngx_uint_t);
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230 }
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231 break;
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232
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233 case 'd':
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234 if (sign) {
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235 i64 = (int64_t) va_arg(args, int);
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236 } else {
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237 ui64 = (uint64_t) va_arg(args, u_int);
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238 }
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239 break;
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240
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241 case 'l':
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242 if (sign) {
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243 i64 = (int64_t) va_arg(args, long);
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244 } else {
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245 ui64 = (uint64_t) va_arg(args, u_long);
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246 }
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247 break;
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248
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249 case 'D':
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250 if (sign) {
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251 i64 = (int64_t) va_arg(args, int32_t);
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252 } else {
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253 ui64 = (uint64_t) va_arg(args, uint32_t);
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254 }
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255 break;
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256
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257 case 'L':
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258 if (sign) {
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259 i64 = va_arg(args, int64_t);
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260 } else {
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261 ui64 = va_arg(args, uint64_t);
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262 }
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263 break;
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264
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265 #if !(NGX_WIN32)
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266 case 'r':
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267 i64 = (int64_t) va_arg(args, rlim_t);
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268 sign = 1;
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269 break;
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270 #endif
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271
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272 case 'p':
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273 ui64 = (uintptr_t) va_arg(args, void *);
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274 hexadecimal = 2;
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275 sign = 0;
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276 zero = '0';
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277 width = 8;
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278 break;
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279
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6
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280 case 'c':
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10
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281 d = va_arg(args, int);
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6
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282 *buf++ = (u_char) (d & 0xff);
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283 fmt++;
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284
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285 continue;
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286
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10
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287 case 'Z':
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288 *buf++ = '\0';
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289 fmt++;
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290
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291 continue;
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292
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4
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293 case '%':
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294 *buf++ = '%';
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295 fmt++;
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296
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297 continue;
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298
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299 default:
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300 *buf++ = *fmt++;
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301
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302 continue;
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303 }
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304
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10
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305 if (sign) {
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306 if (i64 < 0) {
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307 *buf++ = '-';
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308 ui64 = (uint64_t) -i64;
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309
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310 } else {
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311 ui64 = (uint64_t) i64;
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312 }
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313 }
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314
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315 if (hexadecimal == 1) {
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316 do {
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317
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318 /* the "(uint32_t)" cast disables the BCC's warning */
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319 *--p = hex[(uint32_t) (ui64 & 0xf)];
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320
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321 } while (ui64 >>= 4);
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322
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323 } else if (hexadecimal == 2) {
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324 do {
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325
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326 /* the "(uint32_t)" cast disables the BCC's warning */
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327 *--p = HEX[(uint32_t) (ui64 & 0xf)];
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328
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329 } while (ui64 >>= 4);
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330
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331 } else if (ui64 <= NGX_MAX_UINT32_VALUE) {
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332
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333 /*
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334 * To divide 64-bit number and to find the remainder
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335 * on the x86 platform gcc and icc call the libc functions
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336 * [u]divdi3() and [u]moddi3(), they call another function
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337 * in return. On FreeBSD it is the qdivrem() function,
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338 * its source code is about 170 lines of the code.
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339 * The glibc counterpart is about 150 lines of the code.
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340 *
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341 * For 32-bit numbers gcc and icc use the inlined
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342 * multiplication and shifts. For example, unsigned
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343 * "i32 / 10" is compiled to "(i32 * 0xCCCCCCCD) >> 35".
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344 */
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345
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346 ui32 = (uint32_t) ui64;
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347
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348 do {
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349 *--p = (u_char) (ui32 % 10 + '0');
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350 } while (ui32 /= 10);
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351
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352 } else {
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353 do {
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354 *--p = (u_char) (ui64 % 10 + '0');
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355 } while (ui64 /= 10);
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356 }
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357
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26
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358 len = (temp + NGX_INT64_LEN) - p;
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4
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359
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10
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360 while (len++ < width && buf < last) {
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361 *buf++ = zero;
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4
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362 }
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363
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26
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364 len = (temp + NGX_INT64_LEN) - p;
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10
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365 if (buf + len > last) {
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366 len = last - buf;
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367 }
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368
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369 buf = ngx_cpymem(buf, p, len);
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4
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370
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371 fmt++;
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372
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373 } else {
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374 *buf++ = *fmt++;
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375 }
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376 }
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377
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378 return buf;
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379 }
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380
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381
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0
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382 ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n)
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383 {
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384 if (n == 0) {
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385 return 0;
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386 }
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387
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388 n--;
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389
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390 for ( ;; ) {
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391 if (s1[n] != s2[n]) {
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392 return s1[n] - s2[n];
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393 }
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394
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395 if (n == 0) {
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396 return 0;
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397 }
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398
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399 n--;
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400 }
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401 }
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402
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403
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4
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404 ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n)
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405 {
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406 u_char c1, c2;
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407
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408 if (n == 0) {
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409 return 0;
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410 }
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411
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412 n--;
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413
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414 for ( ;; ) {
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415 c1 = s1[n];
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416 if (c1 >= 'a' && c1 <= 'z') {
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417 c1 -= 'a' - 'A';
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418 }
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419
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420 c2 = s2[n];
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421 if (c2 >= 'a' && c2 <= 'z') {
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422 c2 -= 'a' - 'A';
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423 }
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424
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425 if (c1 != c2) {
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426 return c1 - c2;
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427 }
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428
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429 if (n == 0) {
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430 return 0;
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431 }
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432
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433 n--;
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434 }
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435 }
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436
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437
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0
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438 ngx_int_t ngx_atoi(u_char *line, size_t n)
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439 {
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440 ngx_int_t value;
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441
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442 if (n == 0) {
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443 return NGX_ERROR;
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444 }
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445
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446 for (value = 0; n--; line++) {
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447 if (*line < '0' || *line > '9') {
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448 return NGX_ERROR;
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449 }
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450
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451 value = value * 10 + (*line - '0');
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452 }
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453
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454 if (value < 0) {
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455 return NGX_ERROR;
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456
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|
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457 } else {
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|
|
458 return value;
|
|
|
459 }
|
|
|
460 }
|
|
|
461
|
|
|
462
|
|
|
463 ngx_int_t ngx_hextoi(u_char *line, size_t n)
|
|
|
464 {
|
|
|
465 u_char ch;
|
|
|
466 ngx_int_t value;
|
|
|
467
|
|
|
468 if (n == 0) {
|
|
|
469 return NGX_ERROR;
|
|
|
470 }
|
|
|
471
|
|
|
472 for (value = 0; n--; line++) {
|
|
|
473 ch = *line;
|
|
|
474
|
|
|
475 if (ch >= '0' && ch <= '9') {
|
|
|
476 value = value * 16 + (ch - '0');
|
|
|
477 continue;
|
|
|
478 }
|
|
|
479
|
|
|
480 if (ch >= 'A' && ch <= 'F') {
|
|
|
481 value = value * 16 + (ch - 'A' + 10);
|
|
|
482 continue;
|
|
|
483 }
|
|
|
484
|
|
|
485 if (ch >= 'a' && ch <= 'f') {
|
|
|
486 value = value * 16 + (ch - 'a' + 10);
|
|
|
487 continue;
|
|
|
488 }
|
|
|
489
|
|
|
490 return NGX_ERROR;
|
|
|
491 }
|
|
|
492
|
|
|
493 if (value < 0) {
|
|
|
494 return NGX_ERROR;
|
|
|
495
|
|
|
496 } else {
|
|
|
497 return value;
|
|
|
498 }
|
|
|
499 }
|
|
|
500
|
|
|
501
|
|
|
502 void ngx_md5_text(u_char *text, u_char *md5)
|
|
|
503 {
|
|
|
504 int i;
|
|
|
505 static u_char hex[] = "0123456789abcdef";
|
|
|
506
|
|
|
507 for (i = 0; i < 16; i++) {
|
|
|
508 *text++ = hex[md5[i] >> 4];
|
|
|
509 *text++ = hex[md5[i] & 0xf];
|
|
|
510 }
|
|
|
511
|
|
|
512 *text = '\0';
|
|
|
513 }
|
|
|
514
|
|
|
515
|
|
2
|
516 void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src)
|
|
0
|
517 {
|
|
|
518 u_char *d, *s;
|
|
|
519 size_t len;
|
|
|
520 static u_char basis64[] =
|
|
|
521 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
|
522
|
|
|
523 len = src->len;
|
|
|
524 s = src->data;
|
|
|
525 d = dst->data;
|
|
|
526
|
|
|
527 while (len > 2) {
|
|
|
528 *d++ = basis64[(s[0] >> 2) & 0x3f];
|
|
|
529 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
530 *d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)];
|
|
|
531 *d++ = basis64[s[2] & 0x3f];
|
|
|
532
|
|
|
533 s += 3;
|
|
|
534 len -= 3;
|
|
|
535 }
|
|
|
536
|
|
|
537 if (len) {
|
|
|
538 *d++ = basis64[(s[0] >> 2) & 0x3f];
|
|
|
539
|
|
|
540 if (len == 1) {
|
|
|
541 *d++ = basis64[(s[0] & 3) << 4];
|
|
|
542 *d++ = '=';
|
|
|
543
|
|
|
544 } else {
|
|
|
545 *d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
546 *d++ = basis64[(s[1] & 0x0f) << 2];
|
|
|
547 }
|
|
|
548
|
|
|
549 *d++ = '=';
|
|
|
550 }
|
|
|
551
|
|
|
552 dst->len = d - dst->data;
|
|
|
553 }
|
|
|
554
|
|
|
555
|
|
2
|
556 ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src)
|
|
0
|
557 {
|
|
|
558 size_t len;
|
|
|
559 u_char *d, *s;
|
|
|
560 static u_char basis64[] =
|
|
|
561 { 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
562 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
563 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63,
|
|
|
564 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77,
|
|
|
565 77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
|
566 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77,
|
|
|
567 77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
|
|
|
568 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77,
|
|
|
569
|
|
|
570 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
571 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
572 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
573 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
574 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
575 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
576 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
577 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 };
|
|
|
578
|
|
|
579 for (len = 0; len < src->len; len++) {
|
|
|
580 if (src->data[len] == '=') {
|
|
|
581 break;
|
|
|
582 }
|
|
|
583
|
|
|
584 if (basis64[src->data[len]] == 77) {
|
|
|
585 return NGX_ERROR;
|
|
|
586 }
|
|
|
587 }
|
|
|
588
|
|
|
589 if (len % 4 == 1) {
|
|
|
590 return NGX_ERROR;
|
|
|
591 }
|
|
|
592
|
|
|
593 s = src->data;
|
|
|
594 d = dst->data;
|
|
|
595
|
|
|
596 while (len > 3) {
|
|
|
597 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
|
|
598 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
|
|
599 *d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]);
|
|
|
600
|
|
|
601 s += 4;
|
|
|
602 len -= 4;
|
|
|
603 }
|
|
|
604
|
|
|
605 if (len > 1) {
|
|
|
606 *d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
|
|
607 }
|
|
|
608
|
|
|
609 if (len > 2) {
|
|
|
610 *d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
|
|
611 }
|
|
|
612
|
|
|
613 dst->len = d - dst->data;
|
|
|
614
|
|
|
615 return NGX_OK;
|
|
|
616 }
|
|
|
617
|
|
|
618
|
|
34
|
619 uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type)
|
|
0
|
620 {
|
|
10
|
621 ngx_uint_t i, n;
|
|
|
622 uint32_t *escape;
|
|
2
|
623 static u_char hex[] = "0123456789abcdef";
|
|
10
|
624
|
|
34
|
625 /* " ", "%", "?", %00-%1F, %7F-%FF */
|
|
|
626
|
|
10
|
627 static uint32_t uri[] =
|
|
2
|
628 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
0
|
629
|
|
2
|
630 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
|
631 0x80000021, /* 1000 0000 0000 0000 0000 0000 0010 0001 */
|
|
|
632
|
|
|
633 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
634 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
635
|
|
|
636 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
637 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
0
|
638
|
|
2
|
639 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
640 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
641 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
642 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ };
|
|
|
643
|
|
34
|
644 /* " ", "%", "+", "?", %00-%1F, %7F-%FF */
|
|
|
645
|
|
|
646 static uint32_t args[] =
|
|
|
647 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
648
|
|
|
649 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
|
650 0x80000821, /* 1000 0000 0000 0000 0000 1000 0010 0001 */
|
|
|
651
|
|
|
652 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
653 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
654
|
|
|
655 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
656 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
657
|
|
|
658 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
659 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
660 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
661 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ };
|
|
|
662
|
|
|
663 /* " ", """, "%", "'", %00-%1F, %7F-%FF */
|
|
|
664
|
|
10
|
665 static uint32_t html[] =
|
|
|
666 { 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
667
|
|
|
668 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */
|
|
|
669 0x80000021, /* 0000 0000 0000 0000 0000 0000 1010 0101 */
|
|
|
670
|
|
|
671 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */
|
|
|
672 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
673
|
|
|
674 /* ~}| {zyx wvut srqp onml kjih gfed cba` */
|
|
|
675 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */
|
|
|
676
|
|
|
677 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
678 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
679 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */
|
|
|
680 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111 */ };
|
|
|
681
|
|
|
682
|
|
34
|
683 switch (type) {
|
|
|
684 case NGX_ESCAPE_HTML:
|
|
10
|
685 escape = html;
|
|
34
|
686 break;
|
|
|
687 case NGX_ESCAPE_ARGS:
|
|
|
688 escape = args;
|
|
|
689 break;
|
|
|
690 default:
|
|
10
|
691 escape = uri;
|
|
34
|
692 break;
|
|
10
|
693 }
|
|
|
694
|
|
2
|
695 if (dst == NULL) {
|
|
|
696
|
|
|
697 /* find the number of the characters to be escaped */
|
|
0
|
698
|
|
2
|
699 n = 0;
|
|
|
700
|
|
|
701 for (i = 0; i < size; i++) {
|
|
|
702 if (escape[*src >> 5] & (1 << (*src & 0x1f))) {
|
|
|
703 n++;
|
|
|
704 }
|
|
|
705 src++;
|
|
|
706 }
|
|
|
707
|
|
34
|
708 return (uintptr_t) n;
|
|
0
|
709 }
|
|
|
710
|
|
2
|
711 for (i = 0; i < size; i++) {
|
|
|
712 if (escape[*src >> 5] & (1 << (*src & 0x1f))) {
|
|
|
713 *dst++ = '%';
|
|
|
714 *dst++ = hex[*src >> 4];
|
|
|
715 *dst++ = hex[*src & 0xf];
|
|
|
716 src++;
|
|
0
|
717
|
|
2
|
718 } else {
|
|
|
719 *dst++ = *src++;
|
|
|
720 }
|
|
0
|
721 }
|
|
|
722
|
|
34
|
723 return (uintptr_t) dst;
|
|
0
|
724 }
|
