Mercurial > hg > nginx
annotate src/os/win32/ngx_files.c @ 3157:a2c1b4f74ea7
log file name for read/write errors
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 24 Sep 2009 20:04:10 +0000 |
parents | 55f006d944ba |
children | 17afb68c2a9a |
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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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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90 |
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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 |
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99 file->offset += n; |
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100 |
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101 return n; |
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102 } |
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103 |
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104 |
561 | 105 ssize_t |
106 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
107 ngx_pool_t *pool) | |
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108 { |
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109 u_char *buf, *prev; |
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110 size_t size; |
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111 ssize_t total, n; |
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112 |
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113 total = 0; |
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114 |
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115 while (cl) { |
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116 buf = cl->buf->pos; |
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117 prev = buf; |
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118 size = 0; |
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119 |
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120 /* coalesce the neighbouring bufs */ |
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121 |
343
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122 while (cl && prev == cl->buf->pos) { |
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123 size += cl->buf->last - cl->buf->pos; |
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124 prev = cl->buf->last; |
184
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125 cl = cl->next; |
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126 } |
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127 |
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128 n = ngx_write_file(file, buf, size, offset); |
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129 |
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130 if (n == NGX_ERROR) { |
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131 return NGX_ERROR; |
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132 } |
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133 |
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134 total += n; |
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135 offset += n; |
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136 } |
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137 |
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138 return total; |
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139 } |
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140 |
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141 |
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142 ssize_t |
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143 ngx_read_fd(ngx_fd_t fd, void *buf, size_t size) |
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144 { |
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145 u_long n; |
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146 |
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147 if (ReadFile(fd, buf, size, &n, NULL) != 0) { |
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148 return (size_t) n; |
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149 } |
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150 |
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151 return -1; |
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152 } |
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153 |
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154 |
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155 ssize_t |
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156 ngx_write_fd(ngx_fd_t fd, void *buf, size_t size) |
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157 { |
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158 u_long n; |
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159 |
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160 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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161 return (size_t) n; |
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162 } |
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163 |
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164 return -1; |
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165 } |
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166 |
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167 |
2769
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168 ssize_t |
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169 ngx_write_console(ngx_fd_t fd, void *buf, size_t size) |
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170 { |
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171 u_long n; |
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172 |
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173 (void) CharToOemBuff(buf, buf, size); |
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174 |
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175 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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176 return (size_t) n; |
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177 } |
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178 |
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179 return -1; |
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180 } |
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181 |
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182 |
561 | 183 ngx_int_t |
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184 ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log) |
184
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185 { |
499 | 186 u_char *name; |
187 ngx_int_t rc; | |
188 ngx_uint_t collision; | |
189 ngx_atomic_uint_t num; | |
184
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190 |
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191 name = ngx_alloc(to->len + 1 + 10 + 1 + sizeof("DELETE"), log); |
501 | 192 if (name == NULL) { |
186
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193 return NGX_ERROR; |
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194 } |
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185
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195 |
184
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196 ngx_memcpy(name, to->data, to->len); |
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|
197 |
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198 collision = 0; |
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199 |
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200 /* mutex_lock() (per cache or single ?) */ |
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201 |
499 | 202 for ( ;; ) { |
184
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203 num = ngx_next_temp_number(collision); |
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204 |
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|
205 ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num); |
184
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206 |
499 | 207 if (MoveFile((const char *) to->data, (const char *) name) != 0) { |
208 break; | |
184
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209 } |
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210 |
499 | 211 collision = 1; |
212 | |
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213 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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|
214 "MoveFile() \"%s\" to \"%s\" failed", to->data, name); |
499 | 215 } |
184
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183
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216 |
292
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290
diff
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|
217 if (MoveFile((const char *) from->data, (const char *) to->data) == 0) { |
186
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185
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218 rc = NGX_ERROR; |
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219 |
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220 } else { |
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221 rc = NGX_OK; |
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222 } |
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185
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223 |
1051 | 224 if (DeleteFile((const char *) name) == 0) { |
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225 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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226 "DeleteFile() \"%s\" failed", name); |
184
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227 } |
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|
228 |
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229 if (rc == NGX_ERROR) { |
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230 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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231 "MoveFile() \"%s\" to \"%s\" failed", |
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|
232 from->data, to->data); |
184
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233 } |
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|
234 |
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|
235 /* mutex_unlock() */ |
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236 |
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237 ngx_free(name); |
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238 |
184
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239 return rc; |
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240 } |
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241 |
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242 |
561 | 243 ngx_int_t |
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244 ngx_file_info(u_char *file, ngx_file_info_t *sb) |
185
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245 { |
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246 long rc; |
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247 u_short *u; |
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248 ngx_err_t err; |
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249 WIN32_FILE_ATTRIBUTE_DATA fa; |
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250 u_short utf16[NGX_UTF16_BUFLEN]; |
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251 |
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252 u = ngx_utf8_to_utf16(utf16, file, NGX_UTF16_BUFLEN); |
185
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253 |
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254 if (u == NULL) { |
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255 return NGX_FILE_ERROR; |
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256 } |
185
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257 |
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258 rc = GetFileAttributesExW(u, GetFileExInfoStandard, &fa); |
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259 |
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260 if (u != utf16) { |
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261 err = ngx_errno; |
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262 ngx_free(u); |
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263 ngx_set_errno(err); |
185
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264 } |
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265 |
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266 sb->dwFileAttributes = fa.dwFileAttributes; |
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267 sb->ftCreationTime = fa.ftCreationTime; |
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268 sb->ftLastAccessTime = fa.ftLastAccessTime; |
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269 sb->ftLastWriteTime = fa.ftLastWriteTime; |
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270 sb->nFileSizeHigh = fa.nFileSizeHigh; |
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271 sb->nFileSizeLow = fa.nFileSizeLow; |
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272 |
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273 return rc; |
185
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274 } |
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275 |
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276 |
561 | 277 ngx_int_t |
681 | 278 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
279 { | |
280 uint64_t intervals; | |
281 FILETIME ft; | |
282 | |
283 /* 116444736000000000 is commented in src/os/win32/ngx_time.c */ | |
284 | |
285 intervals = s * 10000000 + 116444736000000000; | |
286 | |
287 ft.dwLowDateTime = (DWORD) intervals; | |
288 ft.dwHighDateTime = (DWORD) (intervals >> 32); | |
289 | |
290 if (SetFileTime(fd, NULL, NULL, &ft) != 0) { | |
291 return NGX_OK; | |
292 } | |
293 | |
294 return NGX_ERROR; | |
295 } | |
296 | |
297 | |
2259 | 298 char * |
299 ngx_realpath(u_char *path, u_char *resolved) | |
300 { | |
301 /* STUB */ | |
302 return (char *) path; | |
303 } | |
304 | |
305 | |
561 | 306 ngx_int_t |
307 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) | |
186
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308 { |
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309 ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1); |
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310 |
727 | 311 dir->dir = FindFirstFile((const char *) name->data, &dir->finddata); |
577 | 312 |
186
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313 if (dir->dir == INVALID_HANDLE_VALUE) { |
577 | 314 return NGX_ERROR; |
186
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315 } |
577 | 316 |
457 | 317 dir->valid_info = 1; |
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318 dir->valid_type = 1; |
186
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319 dir->ready = 1; |
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320 |
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321 return NGX_OK; |
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322 } |
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323 |
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324 |
561 | 325 ngx_int_t |
326 ngx_read_dir(ngx_dir_t *dir) | |
186
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327 { |
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328 if (dir->ready) { |
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329 dir->ready = 0; |
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330 return NGX_OK; |
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331 } |
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332 |
727 | 333 if (FindNextFile(dir->dir, &dir->finddata) != 0) { |
681 | 334 return NGX_OK; |
186
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335 } |
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336 |
681 | 337 return NGX_ERROR; |
186
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338 } |
185
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339 |
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340 |
501 | 341 ngx_int_t |
727 | 342 ngx_open_glob(ngx_glob_t *gl) |
343 { | |
2459 | 344 u_char *p; |
345 size_t len; | |
346 ngx_err_t err; | |
1632 | 347 |
727 | 348 gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata); |
349 | |
350 if (gl->dir == INVALID_HANDLE_VALUE) { | |
1980 | 351 |
2459 | 352 err = ngx_errno; |
353 | |
354 if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) | |
355 && gl->test) | |
356 { | |
1980 | 357 gl->no_match = 1; |
358 return NGX_OK; | |
359 } | |
360 | |
727 | 361 return NGX_ERROR; |
362 } | |
363 | |
1632 | 364 for (p = gl->pattern; *p; p++) { |
365 if (*p == '/') { | |
366 gl->last = p + 1 - gl->pattern; | |
367 } | |
368 } | |
369 | |
370 len = ngx_strlen(gl->finddata.cFileName); | |
371 gl->name.len = gl->last + len; | |
372 | |
373 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
374 if (gl->name.data == NULL) { | |
375 return NGX_ERROR; | |
376 } | |
377 | |
378 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
379 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
380 len + 1); | |
381 | |
727 | 382 gl->ready = 1; |
383 | |
384 return NGX_OK; | |
385 } | |
386 | |
387 | |
388 ngx_int_t | |
389 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
390 { | |
1632 | 391 size_t len; |
727 | 392 ngx_err_t err; |
393 | |
1980 | 394 if (gl->no_match) { |
395 return NGX_DONE; | |
396 } | |
397 | |
727 | 398 if (gl->ready) { |
1632 | 399 *name = gl->name; |
727 | 400 |
401 gl->ready = 0; | |
402 return NGX_OK; | |
403 } | |
404 | |
1632 | 405 ngx_free(gl->name.data); |
406 gl->name.data = NULL; | |
407 | |
727 | 408 if (FindNextFile(gl->dir, &gl->finddata) != 0) { |
1632 | 409 |
410 len = ngx_strlen(gl->finddata.cFileName); | |
411 gl->name.len = gl->last + len; | |
412 | |
413 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
414 if (gl->name.data == NULL) { | |
415 return NGX_ERROR; | |
416 } | |
417 | |
418 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
419 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
420 len + 1); | |
421 | |
422 *name = gl->name; | |
727 | 423 |
424 return NGX_OK; | |
425 } | |
426 | |
427 err = ngx_errno; | |
428 | |
429 if (err == NGX_ENOMOREFILES) { | |
430 return NGX_DONE; | |
431 } | |
432 | |
433 ngx_log_error(NGX_LOG_ALERT, gl->log, err, | |
434 "FindNextFile(%s) failed", gl->pattern); | |
435 | |
436 return NGX_ERROR; | |
437 } | |
438 | |
439 | |
440 void | |
441 ngx_close_glob(ngx_glob_t *gl) | |
442 { | |
1632 | 443 if (gl->name.data) { |
444 ngx_free(gl->name.data); | |
445 } | |
446 | |
1980 | 447 if (gl->dir == INVALID_HANDLE_VALUE) { |
448 return; | |
449 } | |
450 | |
1632 | 451 if (FindClose(gl->dir) == 0) { |
727 | 452 ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno, |
453 "FindClose(%s) failed", gl->pattern); | |
454 } | |
455 } | |
456 | |
457 | |
458 ngx_int_t | |
501 | 459 ngx_de_info(u_char *name, ngx_dir_t *dir) |
460 { | |
461 return NGX_OK; | |
462 } | |
463 | |
464 | |
465 ngx_int_t | |
466 ngx_de_link_info(u_char *name, ngx_dir_t *dir) | |
467 { | |
468 return NGX_OK; | |
469 } | |
470 | |
471 | |
561 | 472 ngx_int_t |
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473 ngx_directio_on(ngx_fd_t fd) |
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474 { |
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475 return 0; |
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476 } |
2248
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477 |
2615 | 478 |
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479 ngx_int_t |
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480 ngx_directio_off(ngx_fd_t fd) |
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481 { |
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482 return 0; |
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483 } |
2615 | 484 |
485 | |
486 size_t | |
487 ngx_fs_bsize(u_char *name) | |
488 { | |
489 u_char root[4]; | |
490 u_long sc, bs, nfree, ncl; | |
491 | |
492 if (name[2] == ':') { | |
493 ngx_cpystrn(root, name, 4); | |
494 name = root; | |
495 } | |
496 | |
497 if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) { | |
498 return 512; | |
499 } | |
500 | |
501 return sc * bs; | |
502 } | |
2628
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503 |
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504 |
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505 static u_short * |
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506 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len) |
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507 { |
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508 u_char *p; |
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509 u_short *u, *last; |
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510 uint32_t n; |
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511 |
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512 p = utf8; |
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513 u = utf16; |
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514 last = utf16 + len; |
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515 |
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516 while (u < last) { |
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517 |
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518 if (*p < 0x80) { |
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519 *u = (u_short) *p; |
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520 |
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521 if (*p == 0) { |
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522 return utf16; |
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523 } |
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524 |
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525 u++; |
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526 p++; |
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527 |
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528 continue; |
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529 } |
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530 |
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531 n = ngx_utf8_decode(&p, 4); |
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532 |
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533 if (n > 0xffff) { |
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534 free(utf16); |
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535 ngx_set_errno(NGX_EILSEQ); |
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536 return NULL; |
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537 } |
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538 |
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539 *u++ = (u_short) n; |
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540 } |
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541 |
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542 /* the given buffer is not enough, allocate a new one */ |
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543 |
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544 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); |
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545 if (u == NULL) { |
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546 return NULL; |
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547 } |
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548 |
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549 ngx_memcpy(u, utf16, len * 2); |
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550 |
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551 utf16 = u; |
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552 u += len; |
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553 |
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554 for ( ;; ) { |
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555 |
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556 if (*p < 0x80) { |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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557 *u = (u_short) *p; |
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558 |
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559 if (*p == 0) { |
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560 return utf16; |
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561 } |
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562 |
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563 u++; |
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564 p++; |
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565 |
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566 continue; |
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567 } |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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|
568 |
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|
569 n = ngx_utf8_decode(&p, 4); |
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Igor Sysoev <igor@sysoev.ru>
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|
570 |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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571 if (n > 0xffff) { |
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572 free(utf16); |
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573 ngx_set_errno(NGX_EILSEQ); |
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|
574 return NULL; |
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|
575 } |
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576 |
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Igor Sysoev <igor@sysoev.ru>
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|
577 *u++ = (u_short) n; |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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changeset
|
578 } |
64a10d6b97bd
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Igor Sysoev <igor@sysoev.ru>
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|
579 |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
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|
580 /* unreachable */ |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
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|
581 } |