Mercurial > hg > nginx
annotate src/os/win32/ngx_files.c @ 3371:102fdc22de4d
chmod unix listen domain socket to 0666
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 30 Nov 2009 11:26:24 +0000 |
parents | 26784c34e8be |
children | 6be1f25bae90 |
rev | line source |
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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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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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11 #define NGX_UTF16_BUFLEN 256 |
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12 |
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13 static u_short *ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len); |
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14 |
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15 |
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16 /* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory */ |
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17 |
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18 ngx_fd_t |
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19 ngx_open_file(u_char *name, u_long mode, u_long create, u_long access) |
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20 { |
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21 u_short *u; |
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22 ngx_fd_t fd; |
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23 ngx_err_t err; |
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24 u_short utf16[NGX_UTF16_BUFLEN]; |
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25 |
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26 u = ngx_utf8_to_utf16(utf16, name, NGX_UTF16_BUFLEN); |
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27 |
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28 if (u == NULL) { |
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29 return INVALID_HANDLE_VALUE; |
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30 } |
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31 |
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32 fd = CreateFileW(u, mode, |
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33 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, |
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34 NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL); |
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35 |
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36 if (u != utf16) { |
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37 err = ngx_errno; |
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38 ngx_free(u); |
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39 ngx_set_errno(err); |
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40 } |
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41 |
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42 return fd; |
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43 } |
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44 |
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45 |
561 | 46 ssize_t |
47 ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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48 { |
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49 u_long n; |
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50 ngx_err_t err; |
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51 OVERLAPPED ovlp, *povlp; |
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52 |
3156 | 53 ovlp.Internal = 0; |
54 ovlp.InternalHigh = 0; | |
55 ovlp.Offset = (u_long) offset; | |
56 ovlp.OffsetHigh = (u_long) (offset >> 32); | |
57 ovlp.hEvent = NULL; | |
461 | 58 |
3156 | 59 povlp = &ovlp; |
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60 |
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61 if (ReadFile(file->fd, buf, size, &n, povlp) == 0) { |
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62 err = ngx_errno; |
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63 |
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64 if (err == ERROR_HANDLE_EOF) { |
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65 return 0; |
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66 } |
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67 |
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68 ngx_log_error(NGX_LOG_ERR, file->log, err, |
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69 "ReadFile() \"%s\" failed", file->name.data); |
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70 return NGX_ERROR; |
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71 } |
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72 |
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73 file->offset += n; |
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74 |
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75 return n; |
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76 } |
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77 |
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78 |
561 | 79 ssize_t |
80 ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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81 { |
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82 u_long n; |
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83 OVERLAPPED ovlp, *povlp; |
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84 |
3156 | 85 ovlp.Internal = 0; |
86 ovlp.InternalHigh = 0; | |
87 ovlp.Offset = (u_long) offset; | |
88 ovlp.OffsetHigh = (u_long) (offset >> 32); | |
89 ovlp.hEvent = NULL; | |
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3156 | 91 povlp = &ovlp; |
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92 |
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93 if (WriteFile(file->fd, buf, size, &n, povlp) == 0) { |
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94 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, |
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95 "WriteFile() \"%s\" failed", file->name.data); |
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96 return NGX_ERROR; |
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97 } |
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98 |
3158 | 99 if (n != size) { |
100 ngx_log_error(NGX_LOG_CRIT, file->log, 0, | |
101 "WriteFile() \"%s\" has written only %ul of %uz", | |
102 file->name.data, n, size); | |
103 return NGX_ERROR; | |
104 } | |
105 | |
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106 file->offset += n; |
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107 |
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108 return n; |
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109 } |
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110 |
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111 |
561 | 112 ssize_t |
113 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
114 ngx_pool_t *pool) | |
184
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115 { |
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116 u_char *buf, *prev; |
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117 size_t size; |
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118 ssize_t total, n; |
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119 |
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120 total = 0; |
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121 |
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122 while (cl) { |
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123 buf = cl->buf->pos; |
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124 prev = buf; |
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125 size = 0; |
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126 |
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127 /* coalesce the neighbouring bufs */ |
184
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128 |
343
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129 while (cl && prev == cl->buf->pos) { |
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130 size += cl->buf->last - cl->buf->pos; |
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131 prev = cl->buf->last; |
184
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132 cl = cl->next; |
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133 } |
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134 |
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135 n = ngx_write_file(file, buf, size, offset); |
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136 |
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137 if (n == NGX_ERROR) { |
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138 return NGX_ERROR; |
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139 } |
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140 |
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141 total += n; |
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142 offset += n; |
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143 } |
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144 |
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145 return total; |
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146 } |
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147 |
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148 |
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149 ssize_t |
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150 ngx_read_fd(ngx_fd_t fd, void *buf, size_t size) |
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151 { |
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152 u_long n; |
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153 |
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154 if (ReadFile(fd, buf, size, &n, NULL) != 0) { |
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155 return (size_t) n; |
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156 } |
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157 |
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158 return -1; |
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159 } |
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160 |
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161 |
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162 ssize_t |
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163 ngx_write_fd(ngx_fd_t fd, void *buf, size_t size) |
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164 { |
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165 u_long n; |
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166 |
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167 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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168 return (size_t) n; |
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169 } |
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170 |
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171 return -1; |
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172 } |
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173 |
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174 |
2769
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175 ssize_t |
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176 ngx_write_console(ngx_fd_t fd, void *buf, size_t size) |
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177 { |
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178 u_long n; |
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179 |
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180 (void) CharToOemBuff(buf, buf, size); |
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181 |
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182 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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183 return (size_t) n; |
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184 } |
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185 |
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186 return -1; |
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187 } |
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188 |
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189 |
561 | 190 ngx_int_t |
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191 ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log) |
184
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192 { |
499 | 193 u_char *name; |
194 ngx_int_t rc; | |
195 ngx_uint_t collision; | |
196 ngx_atomic_uint_t num; | |
184
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197 |
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198 name = ngx_alloc(to->len + 1 + 10 + 1 + sizeof("DELETE"), log); |
501 | 199 if (name == NULL) { |
186
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185
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200 return NGX_ERROR; |
c1f3a3c7c5db
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185
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|
201 } |
c1f3a3c7c5db
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185
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|
202 |
184
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203 ngx_memcpy(name, to->data, to->len); |
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|
204 |
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205 collision = 0; |
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|
206 |
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|
207 /* mutex_lock() (per cache or single ?) */ |
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|
208 |
499 | 209 for ( ;; ) { |
184
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|
210 num = ngx_next_temp_number(collision); |
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211 |
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|
212 ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num); |
184
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|
213 |
499 | 214 if (MoveFile((const char *) to->data, (const char *) name) != 0) { |
215 break; | |
184
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|
216 } |
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217 |
499 | 218 collision = 1; |
219 | |
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220 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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221 "MoveFile() \"%s\" to \"%s\" failed", to->data, name); |
499 | 222 } |
184
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183
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223 |
292
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290
diff
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|
224 if (MoveFile((const char *) from->data, (const char *) to->data) == 0) { |
186
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185
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|
225 rc = NGX_ERROR; |
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185
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226 |
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227 } else { |
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|
228 rc = NGX_OK; |
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|
229 } |
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185
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|
230 |
1051 | 231 if (DeleteFile((const char *) name) == 0) { |
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232 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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|
233 "DeleteFile() \"%s\" failed", name); |
184
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|
234 } |
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|
235 |
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|
236 if (rc == NGX_ERROR) { |
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|
237 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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238 "MoveFile() \"%s\" to \"%s\" failed", |
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|
239 from->data, to->data); |
184
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240 } |
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|
241 |
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|
242 /* mutex_unlock() */ |
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|
243 |
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244 ngx_free(name); |
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245 |
184
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246 return rc; |
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247 } |
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248 |
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249 |
561 | 250 ngx_int_t |
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251 ngx_file_info(u_char *file, ngx_file_info_t *sb) |
185
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252 { |
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253 long rc; |
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254 u_short *u; |
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255 ngx_err_t err; |
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256 WIN32_FILE_ATTRIBUTE_DATA fa; |
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257 u_short utf16[NGX_UTF16_BUFLEN]; |
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258 |
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259 u = ngx_utf8_to_utf16(utf16, file, NGX_UTF16_BUFLEN); |
185
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260 |
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261 if (u == NULL) { |
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262 return NGX_FILE_ERROR; |
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263 } |
185
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264 |
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265 rc = GetFileAttributesExW(u, GetFileExInfoStandard, &fa); |
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266 |
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267 if (u != utf16) { |
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268 err = ngx_errno; |
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269 ngx_free(u); |
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270 ngx_set_errno(err); |
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271 } |
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272 |
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273 sb->dwFileAttributes = fa.dwFileAttributes; |
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274 sb->ftCreationTime = fa.ftCreationTime; |
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275 sb->ftLastAccessTime = fa.ftLastAccessTime; |
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276 sb->ftLastWriteTime = fa.ftLastWriteTime; |
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277 sb->nFileSizeHigh = fa.nFileSizeHigh; |
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278 sb->nFileSizeLow = fa.nFileSizeLow; |
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279 |
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280 return rc; |
185
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281 } |
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282 |
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283 |
561 | 284 ngx_int_t |
681 | 285 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
286 { | |
287 uint64_t intervals; | |
288 FILETIME ft; | |
289 | |
290 /* 116444736000000000 is commented in src/os/win32/ngx_time.c */ | |
291 | |
292 intervals = s * 10000000 + 116444736000000000; | |
293 | |
294 ft.dwLowDateTime = (DWORD) intervals; | |
295 ft.dwHighDateTime = (DWORD) (intervals >> 32); | |
296 | |
297 if (SetFileTime(fd, NULL, NULL, &ft) != 0) { | |
298 return NGX_OK; | |
299 } | |
300 | |
301 return NGX_ERROR; | |
302 } | |
303 | |
304 | |
2259 | 305 char * |
306 ngx_realpath(u_char *path, u_char *resolved) | |
307 { | |
308 /* STUB */ | |
309 return (char *) path; | |
310 } | |
311 | |
312 | |
561 | 313 ngx_int_t |
314 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) | |
186
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315 { |
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316 ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1); |
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317 |
727 | 318 dir->dir = FindFirstFile((const char *) name->data, &dir->finddata); |
577 | 319 |
186
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320 if (dir->dir == INVALID_HANDLE_VALUE) { |
577 | 321 return NGX_ERROR; |
186
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322 } |
577 | 323 |
457 | 324 dir->valid_info = 1; |
186
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325 dir->ready = 1; |
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326 |
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327 return NGX_OK; |
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328 } |
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329 |
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330 |
561 | 331 ngx_int_t |
332 ngx_read_dir(ngx_dir_t *dir) | |
186
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333 { |
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334 if (dir->ready) { |
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335 dir->ready = 0; |
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336 return NGX_OK; |
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337 } |
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338 |
727 | 339 if (FindNextFile(dir->dir, &dir->finddata) != 0) { |
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340 dir->type = 1; |
681 | 341 return NGX_OK; |
186
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342 } |
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343 |
681 | 344 return NGX_ERROR; |
186
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345 } |
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346 |
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347 |
501 | 348 ngx_int_t |
727 | 349 ngx_open_glob(ngx_glob_t *gl) |
350 { | |
2459 | 351 u_char *p; |
352 size_t len; | |
353 ngx_err_t err; | |
1632 | 354 |
727 | 355 gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata); |
356 | |
357 if (gl->dir == INVALID_HANDLE_VALUE) { | |
1980 | 358 |
2459 | 359 err = ngx_errno; |
360 | |
361 if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) | |
362 && gl->test) | |
363 { | |
1980 | 364 gl->no_match = 1; |
365 return NGX_OK; | |
366 } | |
367 | |
727 | 368 return NGX_ERROR; |
369 } | |
370 | |
1632 | 371 for (p = gl->pattern; *p; p++) { |
372 if (*p == '/') { | |
373 gl->last = p + 1 - gl->pattern; | |
374 } | |
375 } | |
376 | |
377 len = ngx_strlen(gl->finddata.cFileName); | |
378 gl->name.len = gl->last + len; | |
379 | |
380 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
381 if (gl->name.data == NULL) { | |
382 return NGX_ERROR; | |
383 } | |
384 | |
385 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
386 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
387 len + 1); | |
388 | |
727 | 389 gl->ready = 1; |
390 | |
391 return NGX_OK; | |
392 } | |
393 | |
394 | |
395 ngx_int_t | |
396 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
397 { | |
1632 | 398 size_t len; |
727 | 399 ngx_err_t err; |
400 | |
1980 | 401 if (gl->no_match) { |
402 return NGX_DONE; | |
403 } | |
404 | |
727 | 405 if (gl->ready) { |
1632 | 406 *name = gl->name; |
727 | 407 |
408 gl->ready = 0; | |
409 return NGX_OK; | |
410 } | |
411 | |
1632 | 412 ngx_free(gl->name.data); |
413 gl->name.data = NULL; | |
414 | |
727 | 415 if (FindNextFile(gl->dir, &gl->finddata) != 0) { |
1632 | 416 |
417 len = ngx_strlen(gl->finddata.cFileName); | |
418 gl->name.len = gl->last + len; | |
419 | |
420 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
421 if (gl->name.data == NULL) { | |
422 return NGX_ERROR; | |
423 } | |
424 | |
425 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
426 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
427 len + 1); | |
428 | |
429 *name = gl->name; | |
727 | 430 |
431 return NGX_OK; | |
432 } | |
433 | |
434 err = ngx_errno; | |
435 | |
436 if (err == NGX_ENOMOREFILES) { | |
437 return NGX_DONE; | |
438 } | |
439 | |
440 ngx_log_error(NGX_LOG_ALERT, gl->log, err, | |
441 "FindNextFile(%s) failed", gl->pattern); | |
442 | |
443 return NGX_ERROR; | |
444 } | |
445 | |
446 | |
447 void | |
448 ngx_close_glob(ngx_glob_t *gl) | |
449 { | |
1632 | 450 if (gl->name.data) { |
451 ngx_free(gl->name.data); | |
452 } | |
453 | |
1980 | 454 if (gl->dir == INVALID_HANDLE_VALUE) { |
455 return; | |
456 } | |
457 | |
1632 | 458 if (FindClose(gl->dir) == 0) { |
727 | 459 ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno, |
460 "FindClose(%s) failed", gl->pattern); | |
461 } | |
462 } | |
463 | |
464 | |
465 ngx_int_t | |
501 | 466 ngx_de_info(u_char *name, ngx_dir_t *dir) |
467 { | |
468 return NGX_OK; | |
469 } | |
470 | |
471 | |
472 ngx_int_t | |
473 ngx_de_link_info(u_char *name, ngx_dir_t *dir) | |
474 { | |
475 return NGX_OK; | |
476 } | |
477 | |
478 | |
561 | 479 ngx_int_t |
3178 | 480 ngx_read_ahead(ngx_fd_t fd, size_t n) |
481 { | |
482 return ~NGX_FILE_ERROR; | |
483 } | |
484 | |
485 | |
486 ngx_int_t | |
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487 ngx_directio_on(ngx_fd_t fd) |
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488 { |
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489 return ~NGX_FILE_ERROR; |
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490 } |
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491 |
2615 | 492 |
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493 ngx_int_t |
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494 ngx_directio_off(ngx_fd_t fd) |
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495 { |
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496 return ~NGX_FILE_ERROR; |
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497 } |
2615 | 498 |
499 | |
500 size_t | |
501 ngx_fs_bsize(u_char *name) | |
502 { | |
503 u_char root[4]; | |
504 u_long sc, bs, nfree, ncl; | |
505 | |
506 if (name[2] == ':') { | |
507 ngx_cpystrn(root, name, 4); | |
508 name = root; | |
509 } | |
510 | |
511 if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) { | |
512 return 512; | |
513 } | |
514 | |
515 return sc * bs; | |
516 } | |
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517 |
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518 |
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519 static u_short * |
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520 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len) |
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521 { |
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522 u_char *p; |
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523 u_short *u, *last; |
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524 uint32_t n; |
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525 |
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526 p = utf8; |
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527 u = utf16; |
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528 last = utf16 + len; |
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529 |
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530 while (u < last) { |
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531 |
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532 if (*p < 0x80) { |
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533 *u = (u_short) *p; |
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534 |
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535 if (*p == 0) { |
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536 return utf16; |
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537 } |
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538 |
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539 u++; |
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540 p++; |
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541 |
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542 continue; |
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543 } |
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544 |
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545 n = ngx_utf8_decode(&p, 4); |
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546 |
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547 if (n > 0xffff) { |
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548 free(utf16); |
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549 ngx_set_errno(NGX_EILSEQ); |
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550 return NULL; |
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551 } |
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552 |
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553 *u++ = (u_short) n; |
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554 } |
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555 |
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556 /* the given buffer is not enough, allocate a new one */ |
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557 |
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558 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); |
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559 if (u == NULL) { |
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560 return NULL; |
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561 } |
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562 |
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563 ngx_memcpy(u, utf16, len * 2); |
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564 |
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565 utf16 = u; |
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566 u += len; |
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567 |
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568 for ( ;; ) { |
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569 |
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570 if (*p < 0x80) { |
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571 *u = (u_short) *p; |
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572 |
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573 if (*p == 0) { |
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574 return utf16; |
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575 } |
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576 |
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577 u++; |
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578 p++; |
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579 |
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580 continue; |
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581 } |
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582 |
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583 n = ngx_utf8_decode(&p, 4); |
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584 |
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585 if (n > 0xffff) { |
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586 free(utf16); |
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587 ngx_set_errno(NGX_EILSEQ); |
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588 return NULL; |
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589 } |
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590 |
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591 *u++ = (u_short) n; |
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592 } |
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593 |
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|
594 /* unreachable */ |
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595 } |