Mercurial > hg > nginx
annotate src/os/win32/ngx_files.c @ 3156:55f006d944ba
delete Win95 code
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 24 Sep 2009 19:55:35 +0000 |
parents | a2479937dbd8 |
children | a2c1b4f74ea7 |
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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, "ReadFile() failed"); |
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69 return NGX_ERROR; |
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70 } |
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71 |
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72 file->offset += n; |
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73 |
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74 return n; |
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75 } |
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76 |
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561 | 78 ssize_t |
79 ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
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80 { |
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81 u_long n; |
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82 OVERLAPPED ovlp, *povlp; |
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83 |
3156 | 84 ovlp.Internal = 0; |
85 ovlp.InternalHigh = 0; | |
86 ovlp.Offset = (u_long) offset; | |
87 ovlp.OffsetHigh = (u_long) (offset >> 32); | |
88 ovlp.hEvent = NULL; | |
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3156 | 90 povlp = &ovlp; |
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91 |
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92 if (WriteFile(file->fd, buf, size, &n, povlp) == 0) { |
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93 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "WriteFile() failed"); |
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94 return NGX_ERROR; |
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95 } |
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96 |
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97 file->offset += n; |
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98 |
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99 return n; |
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100 } |
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101 |
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102 |
561 | 103 ssize_t |
104 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
105 ngx_pool_t *pool) | |
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106 { |
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107 u_char *buf, *prev; |
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108 size_t size; |
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109 ssize_t total, n; |
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110 |
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111 total = 0; |
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112 |
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113 while (cl) { |
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114 buf = cl->buf->pos; |
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115 prev = buf; |
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116 size = 0; |
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117 |
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118 /* coalesce the neighbouring bufs */ |
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119 |
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120 while (cl && prev == cl->buf->pos) { |
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121 size += cl->buf->last - cl->buf->pos; |
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122 prev = cl->buf->last; |
184
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123 cl = cl->next; |
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124 } |
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125 |
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126 n = ngx_write_file(file, buf, size, offset); |
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127 |
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128 if (n == NGX_ERROR) { |
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129 return NGX_ERROR; |
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130 } |
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131 |
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132 total += n; |
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133 offset += n; |
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134 } |
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135 |
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136 return total; |
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137 } |
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138 |
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139 |
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140 ssize_t |
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141 ngx_read_fd(ngx_fd_t fd, void *buf, size_t size) |
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142 { |
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143 u_long n; |
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144 |
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145 if (ReadFile(fd, buf, size, &n, NULL) != 0) { |
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146 return (size_t) n; |
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147 } |
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148 |
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149 return -1; |
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150 } |
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151 |
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152 |
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153 ssize_t |
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154 ngx_write_fd(ngx_fd_t fd, void *buf, size_t size) |
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155 { |
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156 u_long n; |
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157 |
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158 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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159 return (size_t) n; |
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160 } |
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161 |
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162 return -1; |
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163 } |
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164 |
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165 |
2769
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166 ssize_t |
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167 ngx_write_console(ngx_fd_t fd, void *buf, size_t size) |
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168 { |
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169 u_long n; |
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170 |
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171 (void) CharToOemBuff(buf, buf, size); |
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172 |
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173 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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174 return (size_t) n; |
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175 } |
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176 |
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177 return -1; |
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178 } |
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179 |
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180 |
561 | 181 ngx_int_t |
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182 ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log) |
184
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183
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|
183 { |
499 | 184 u_char *name; |
185 ngx_int_t rc; | |
186 ngx_uint_t collision; | |
187 ngx_atomic_uint_t num; | |
184
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188 |
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|
189 name = ngx_alloc(to->len + 1 + 10 + 1 + sizeof("DELETE"), log); |
501 | 190 if (name == NULL) { |
186
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185
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|
191 return NGX_ERROR; |
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185
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|
192 } |
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185
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|
193 |
184
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|
194 ngx_memcpy(name, to->data, to->len); |
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195 |
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|
196 collision = 0; |
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|
197 |
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|
198 /* mutex_lock() (per cache or single ?) */ |
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|
199 |
499 | 200 for ( ;; ) { |
184
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201 num = ngx_next_temp_number(collision); |
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202 |
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|
203 ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num); |
184
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|
204 |
499 | 205 if (MoveFile((const char *) to->data, (const char *) name) != 0) { |
206 break; | |
184
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183
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|
207 } |
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|
208 |
499 | 209 collision = 1; |
210 | |
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|
211 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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|
212 "MoveFile() \"%s\" to \"%s\" failed", to->data, name); |
499 | 213 } |
184
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183
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|
214 |
292
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parents:
290
diff
changeset
|
215 if (MoveFile((const char *) from->data, (const char *) to->data) == 0) { |
186
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185
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|
216 rc = NGX_ERROR; |
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185
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|
217 |
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185
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|
218 } else { |
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|
219 rc = NGX_OK; |
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|
220 } |
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185
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|
221 |
1051 | 222 if (DeleteFile((const char *) name) == 0) { |
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|
223 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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|
224 "DeleteFile() \"%s\" failed", name); |
184
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|
225 } |
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|
226 |
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|
227 if (rc == NGX_ERROR) { |
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228 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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229 "MoveFile() \"%s\" to \"%s\" failed", |
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|
230 from->data, to->data); |
184
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231 } |
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|
232 |
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|
233 /* mutex_unlock() */ |
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183
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|
234 |
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235 ngx_free(name); |
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236 |
184
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237 return rc; |
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238 } |
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239 |
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240 |
561 | 241 ngx_int_t |
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242 ngx_file_info(u_char *file, ngx_file_info_t *sb) |
185
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243 { |
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244 long rc; |
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245 u_short *u; |
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246 ngx_err_t err; |
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247 WIN32_FILE_ATTRIBUTE_DATA fa; |
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248 u_short utf16[NGX_UTF16_BUFLEN]; |
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249 |
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250 u = ngx_utf8_to_utf16(utf16, file, NGX_UTF16_BUFLEN); |
185
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251 |
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252 if (u == NULL) { |
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253 return NGX_FILE_ERROR; |
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254 } |
185
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255 |
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256 rc = GetFileAttributesExW(u, GetFileExInfoStandard, &fa); |
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257 |
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258 if (u != utf16) { |
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259 err = ngx_errno; |
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260 ngx_free(u); |
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261 ngx_set_errno(err); |
185
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262 } |
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263 |
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264 sb->dwFileAttributes = fa.dwFileAttributes; |
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265 sb->ftCreationTime = fa.ftCreationTime; |
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266 sb->ftLastAccessTime = fa.ftLastAccessTime; |
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267 sb->ftLastWriteTime = fa.ftLastWriteTime; |
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268 sb->nFileSizeHigh = fa.nFileSizeHigh; |
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269 sb->nFileSizeLow = fa.nFileSizeLow; |
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270 |
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271 return rc; |
185
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272 } |
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273 |
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274 |
561 | 275 ngx_int_t |
681 | 276 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
277 { | |
278 uint64_t intervals; | |
279 FILETIME ft; | |
280 | |
281 /* 116444736000000000 is commented in src/os/win32/ngx_time.c */ | |
282 | |
283 intervals = s * 10000000 + 116444736000000000; | |
284 | |
285 ft.dwLowDateTime = (DWORD) intervals; | |
286 ft.dwHighDateTime = (DWORD) (intervals >> 32); | |
287 | |
288 if (SetFileTime(fd, NULL, NULL, &ft) != 0) { | |
289 return NGX_OK; | |
290 } | |
291 | |
292 return NGX_ERROR; | |
293 } | |
294 | |
295 | |
2259 | 296 char * |
297 ngx_realpath(u_char *path, u_char *resolved) | |
298 { | |
299 /* STUB */ | |
300 return (char *) path; | |
301 } | |
302 | |
303 | |
561 | 304 ngx_int_t |
305 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) | |
186
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306 { |
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307 ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1); |
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308 |
727 | 309 dir->dir = FindFirstFile((const char *) name->data, &dir->finddata); |
577 | 310 |
186
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311 if (dir->dir == INVALID_HANDLE_VALUE) { |
577 | 312 return NGX_ERROR; |
186
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313 } |
577 | 314 |
457 | 315 dir->valid_info = 1; |
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316 dir->valid_type = 1; |
186
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317 dir->ready = 1; |
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318 |
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319 return NGX_OK; |
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320 } |
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321 |
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322 |
561 | 323 ngx_int_t |
324 ngx_read_dir(ngx_dir_t *dir) | |
186
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325 { |
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326 if (dir->ready) { |
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327 dir->ready = 0; |
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328 return NGX_OK; |
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329 } |
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330 |
727 | 331 if (FindNextFile(dir->dir, &dir->finddata) != 0) { |
681 | 332 return NGX_OK; |
186
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333 } |
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334 |
681 | 335 return NGX_ERROR; |
186
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336 } |
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337 |
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338 |
501 | 339 ngx_int_t |
727 | 340 ngx_open_glob(ngx_glob_t *gl) |
341 { | |
2459 | 342 u_char *p; |
343 size_t len; | |
344 ngx_err_t err; | |
1632 | 345 |
727 | 346 gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata); |
347 | |
348 if (gl->dir == INVALID_HANDLE_VALUE) { | |
1980 | 349 |
2459 | 350 err = ngx_errno; |
351 | |
352 if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) | |
353 && gl->test) | |
354 { | |
1980 | 355 gl->no_match = 1; |
356 return NGX_OK; | |
357 } | |
358 | |
727 | 359 return NGX_ERROR; |
360 } | |
361 | |
1632 | 362 for (p = gl->pattern; *p; p++) { |
363 if (*p == '/') { | |
364 gl->last = p + 1 - gl->pattern; | |
365 } | |
366 } | |
367 | |
368 len = ngx_strlen(gl->finddata.cFileName); | |
369 gl->name.len = gl->last + len; | |
370 | |
371 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
372 if (gl->name.data == NULL) { | |
373 return NGX_ERROR; | |
374 } | |
375 | |
376 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
377 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
378 len + 1); | |
379 | |
727 | 380 gl->ready = 1; |
381 | |
382 return NGX_OK; | |
383 } | |
384 | |
385 | |
386 ngx_int_t | |
387 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
388 { | |
1632 | 389 size_t len; |
727 | 390 ngx_err_t err; |
391 | |
1980 | 392 if (gl->no_match) { |
393 return NGX_DONE; | |
394 } | |
395 | |
727 | 396 if (gl->ready) { |
1632 | 397 *name = gl->name; |
727 | 398 |
399 gl->ready = 0; | |
400 return NGX_OK; | |
401 } | |
402 | |
1632 | 403 ngx_free(gl->name.data); |
404 gl->name.data = NULL; | |
405 | |
727 | 406 if (FindNextFile(gl->dir, &gl->finddata) != 0) { |
1632 | 407 |
408 len = ngx_strlen(gl->finddata.cFileName); | |
409 gl->name.len = gl->last + len; | |
410 | |
411 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
412 if (gl->name.data == NULL) { | |
413 return NGX_ERROR; | |
414 } | |
415 | |
416 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
417 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
418 len + 1); | |
419 | |
420 *name = gl->name; | |
727 | 421 |
422 return NGX_OK; | |
423 } | |
424 | |
425 err = ngx_errno; | |
426 | |
427 if (err == NGX_ENOMOREFILES) { | |
428 return NGX_DONE; | |
429 } | |
430 | |
431 ngx_log_error(NGX_LOG_ALERT, gl->log, err, | |
432 "FindNextFile(%s) failed", gl->pattern); | |
433 | |
434 return NGX_ERROR; | |
435 } | |
436 | |
437 | |
438 void | |
439 ngx_close_glob(ngx_glob_t *gl) | |
440 { | |
1632 | 441 if (gl->name.data) { |
442 ngx_free(gl->name.data); | |
443 } | |
444 | |
1980 | 445 if (gl->dir == INVALID_HANDLE_VALUE) { |
446 return; | |
447 } | |
448 | |
1632 | 449 if (FindClose(gl->dir) == 0) { |
727 | 450 ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno, |
451 "FindClose(%s) failed", gl->pattern); | |
452 } | |
453 } | |
454 | |
455 | |
456 ngx_int_t | |
501 | 457 ngx_de_info(u_char *name, ngx_dir_t *dir) |
458 { | |
459 return NGX_OK; | |
460 } | |
461 | |
462 | |
463 ngx_int_t | |
464 ngx_de_link_info(u_char *name, ngx_dir_t *dir) | |
465 { | |
466 return NGX_OK; | |
467 } | |
468 | |
469 | |
561 | 470 ngx_int_t |
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471 ngx_directio_on(ngx_fd_t fd) |
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472 { |
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473 return 0; |
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474 } |
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475 |
2615 | 476 |
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477 ngx_int_t |
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478 ngx_directio_off(ngx_fd_t fd) |
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479 { |
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480 return 0; |
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481 } |
2615 | 482 |
483 | |
484 size_t | |
485 ngx_fs_bsize(u_char *name) | |
486 { | |
487 u_char root[4]; | |
488 u_long sc, bs, nfree, ncl; | |
489 | |
490 if (name[2] == ':') { | |
491 ngx_cpystrn(root, name, 4); | |
492 name = root; | |
493 } | |
494 | |
495 if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) { | |
496 return 512; | |
497 } | |
498 | |
499 return sc * bs; | |
500 } | |
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501 |
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502 |
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503 static u_short * |
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504 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len) |
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505 { |
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506 u_char *p; |
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507 u_short *u, *last; |
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508 uint32_t n; |
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509 |
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510 p = utf8; |
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511 u = utf16; |
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512 last = utf16 + len; |
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513 |
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514 while (u < last) { |
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515 |
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516 if (*p < 0x80) { |
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517 *u = (u_short) *p; |
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518 |
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519 if (*p == 0) { |
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520 return utf16; |
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521 } |
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522 |
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523 u++; |
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524 p++; |
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525 |
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526 continue; |
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527 } |
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528 |
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529 n = ngx_utf8_decode(&p, 4); |
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530 |
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531 if (n > 0xffff) { |
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532 free(utf16); |
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533 ngx_set_errno(NGX_EILSEQ); |
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534 return NULL; |
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535 } |
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536 |
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537 *u++ = (u_short) n; |
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538 } |
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539 |
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540 /* the given buffer is not enough, allocate a new one */ |
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541 |
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542 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); |
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543 if (u == NULL) { |
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544 return NULL; |
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545 } |
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546 |
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547 ngx_memcpy(u, utf16, len * 2); |
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548 |
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549 utf16 = u; |
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550 u += len; |
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551 |
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552 for ( ;; ) { |
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553 |
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554 if (*p < 0x80) { |
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555 *u = (u_short) *p; |
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|
556 |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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557 if (*p == 0) { |
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558 return utf16; |
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559 } |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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|
560 |
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561 u++; |
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562 p++; |
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563 |
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564 continue; |
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565 } |
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566 |
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567 n = ngx_utf8_decode(&p, 4); |
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|
568 |
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|
569 if (n > 0xffff) { |
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570 free(utf16); |
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571 ngx_set_errno(NGX_EILSEQ); |
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572 return NULL; |
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Igor Sysoev <igor@sysoev.ru>
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573 } |
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|
574 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
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|
575 *u++ = (u_short) n; |
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Igor Sysoev <igor@sysoev.ru>
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|
576 } |
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win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
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|
577 |
64a10d6b97bd
win32 ngx_open_file() supports utf8 names and NGX_FILE_APPEND
Igor Sysoev <igor@sysoev.ru>
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|
578 /* unreachable */ |
64a10d6b97bd
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579 } |