Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_files.c @ 3137:179f6dfcb7fe
preserve errno while ngx_free()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 16 Sep 2009 13:28:20 +0000 |
parents | 63f71723cd2a |
children | a2479937dbd8 |
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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42
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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10 |
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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 long high_offset; |
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50 u_long n; |
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51 ngx_err_t err; |
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52 OVERLAPPED ovlp, *povlp; |
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53 |
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54 if (ngx_win32_version < NGX_WIN_NT) { |
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55 |
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56 /* |
461 | 57 * under Win9X the overlapped pointer must be NULL |
58 * so we have to use SetFilePointer() to set the offset | |
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59 */ |
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60 |
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61 if (file->offset != offset) { |
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62 |
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63 /* |
461 | 64 * the maximum file size on the FAT16 is 2G, but on the FAT32 |
65 * the size is 4G so we have to use the high_offset | |
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66 * because a single offset is signed value |
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67 */ |
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68 |
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69 high_offset = (long) (offset >> 32); |
461 | 70 |
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71 if (SetFilePointer(file->fd, (long) offset, &high_offset, |
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72 FILE_BEGIN) == INVALID_SET_FILE_POINTER) |
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73 { |
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74 /* |
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75 * INVALID_SET_FILE_POINTER is 0xffffffff and it can be valid |
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76 * value for large file so we need also to check GetLastError() |
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77 */ |
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78 |
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79 err = ngx_errno; |
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80 if (err != NO_ERROR) { |
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81 ngx_log_error(NGX_LOG_ERR, file->log, err, |
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82 "SeekFilePointer() failed"); |
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83 return NGX_ERROR; |
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84 } |
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85 } |
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86 } |
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87 |
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88 povlp = NULL; |
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89 |
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90 } else { |
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91 ovlp.Internal = 0; |
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92 ovlp.InternalHigh = 0; |
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93 ovlp.Offset = (u_long) offset; |
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94 ovlp.OffsetHigh = (u_long) (offset >> 32); |
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95 ovlp.hEvent = NULL; |
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96 |
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97 povlp = &ovlp; |
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98 } |
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99 |
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100 if (ReadFile(file->fd, buf, size, &n, povlp) == 0) { |
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101 err = ngx_errno; |
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102 |
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103 if (err == ERROR_HANDLE_EOF) { |
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104 return 0; |
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105 } |
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106 |
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107 ngx_log_error(NGX_LOG_ERR, file->log, err, "ReadFile() failed"); |
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108 return NGX_ERROR; |
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109 } |
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110 |
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nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
111 file->offset += n; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
112 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
113 return n; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
114 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
115 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
116 |
561 | 117 ssize_t |
118 ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset) | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
119 { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
120 long high_offset; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
280
diff
changeset
|
121 u_long n; |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
122 ngx_err_t err; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
123 OVERLAPPED ovlp, *povlp; |
183
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
124 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
125 if (ngx_win32_version < NGX_WIN_NT) { |
183
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
126 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
127 /* |
461 | 128 * under Win9X the overlapped pointer must be NULL |
129 * so we have to use SetFilePointer() to set the offset | |
183
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
130 */ |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
131 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
132 if (file->offset != offset) { |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
133 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
134 /* |
461 | 135 * the maximum file size on the FAT16 is 2G, but on the FAT32 |
136 * the size is 4G so we have to use high_offset | |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
280
diff
changeset
|
137 * because a single offset is signed value |
183
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
138 */ |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
139 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
140 high_offset = (long) (offset >> 32); |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
141 if (SetFilePointer(file->fd, (long) offset, &high_offset, |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
142 FILE_BEGIN) == INVALID_SET_FILE_POINTER) |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
143 { |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
144 /* |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
145 * INVALID_SET_FILE_POINTER is 0xffffffff and it can be valid |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
146 * value for large file so we need also to check GetLastError() |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
147 */ |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
148 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
149 err = ngx_errno; |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
150 if (err != NO_ERROR) { |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
151 ngx_log_error(NGX_LOG_ERR, file->log, err, |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
152 "SeekFilePointer() failed"); |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
153 return NGX_ERROR; |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
154 } |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
155 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
156 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
157 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
158 povlp = NULL; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
159 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
160 } else { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
161 ovlp.Internal = 0; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
162 ovlp.InternalHigh = 0; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
280
diff
changeset
|
163 ovlp.Offset = (u_long) offset; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
280
diff
changeset
|
164 ovlp.OffsetHigh = (u_long) (offset >> 32); |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
165 ovlp.hEvent = NULL; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
166 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
167 povlp = &ovlp; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
168 } |
183
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
169 |
4c698194c56d
nginx-0.0.1-2003-11-13-19:16:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
182
diff
changeset
|
170 if (WriteFile(file->fd, buf, size, &n, povlp) == 0) { |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
171 ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno, "WriteFile() failed"); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
172 return NGX_ERROR; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
173 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
174 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
175 file->offset += n; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
176 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
177 return n; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
178 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
179 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
123
diff
changeset
|
180 |
561 | 181 ssize_t |
182 ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset, | |
183 ngx_pool_t *pool) | |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
184 { |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
185 u_char *buf, *prev; |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
186 size_t size; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
187 ssize_t total, n; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
188 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
189 total = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
190 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
191 while (cl) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
192 buf = cl->buf->pos; |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
193 prev = buf; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
194 size = 0; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
195 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
196 /* coalesce the neighbouring bufs */ |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
197 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
198 while (cl && prev == cl->buf->pos) { |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
199 size += cl->buf->last - cl->buf->pos; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
200 prev = cl->buf->last; |
184
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
201 cl = cl->next; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
202 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
203 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
204 n = ngx_write_file(file, buf, size, offset); |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
205 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
206 if (n == NGX_ERROR) { |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
207 return NGX_ERROR; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
208 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
209 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
210 total += n; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
211 offset += n; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
212 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
213 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
214 return total; |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
215 } |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
216 |
1bf718ce0dde
nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
183
diff
changeset
|
217 |
1634
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
218 ssize_t |
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
219 ngx_read_fd(ngx_fd_t fd, void *buf, size_t size) |
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
220 { |
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
221 u_long n; |
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
222 |
d3cbb96818f1
fix win32 ngx_read_fd() and ngx_write_fd()
Igor Sysoev <igor@sysoev.ru>
parents:
1632
diff
changeset
|
223 if (ReadFile(fd, buf, size, &n, NULL) != 0) { |
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224 return (size_t) n; |
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225 } |
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226 |
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227 return -1; |
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228 } |
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229 |
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230 |
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231 ssize_t |
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232 ngx_write_fd(ngx_fd_t fd, void *buf, size_t size) |
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233 { |
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234 u_long n; |
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235 |
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236 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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237 return (size_t) n; |
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238 } |
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239 |
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240 return -1; |
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241 } |
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242 |
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243 |
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244 ssize_t |
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245 ngx_write_console(ngx_fd_t fd, void *buf, size_t size) |
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246 { |
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247 u_long n; |
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248 |
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249 (void) CharToOemBuff(buf, buf, size); |
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250 |
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251 if (WriteFile(fd, buf, size, &n, NULL) != 0) { |
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252 return (size_t) n; |
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253 } |
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254 |
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255 return -1; |
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256 } |
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257 |
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258 |
561 | 259 ngx_int_t |
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260 ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log) |
184
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261 { |
499 | 262 u_char *name; |
263 ngx_int_t rc; | |
264 ngx_uint_t collision; | |
265 ngx_atomic_uint_t num; | |
184
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266 |
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267 name = ngx_alloc(to->len + 1 + 10 + 1 + sizeof("DELETE"), log); |
501 | 268 if (name == NULL) { |
186
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269 return NGX_ERROR; |
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270 } |
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271 |
184
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272 ngx_memcpy(name, to->data, to->len); |
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273 |
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274 collision = 0; |
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275 |
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276 /* mutex_lock() (per cache or single ?) */ |
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277 |
499 | 278 for ( ;; ) { |
184
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279 num = ngx_next_temp_number(collision); |
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280 |
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281 ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num); |
184
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282 |
499 | 283 if (MoveFile((const char *) to->data, (const char *) name) != 0) { |
284 break; | |
184
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285 } |
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286 |
499 | 287 collision = 1; |
288 | |
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289 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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290 "MoveFile() \"%s\" to \"%s\" failed", to->data, name); |
499 | 291 } |
184
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292 |
292
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293 if (MoveFile((const char *) from->data, (const char *) to->data) == 0) { |
186
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294 rc = NGX_ERROR; |
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295 |
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296 } else { |
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297 rc = NGX_OK; |
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298 } |
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299 |
1051 | 300 if (DeleteFile((const char *) name) == 0) { |
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301 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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302 "DeleteFile() \"%s\" failed", name); |
184
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303 } |
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304 |
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305 if (rc == NGX_ERROR) { |
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306 ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, |
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307 "MoveFile() \"%s\" to \"%s\" failed", |
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308 from->data, to->data); |
184
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309 } |
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310 |
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311 /* mutex_unlock() */ |
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312 |
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313 ngx_free(name); |
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314 |
184
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315 return rc; |
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316 } |
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317 |
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318 |
561 | 319 ngx_int_t |
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320 ngx_file_info(u_char *file, ngx_file_info_t *sb) |
185
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321 { |
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322 WIN32_FILE_ATTRIBUTE_DATA fa; |
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323 |
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324 /* NT4 and Win98 */ |
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325 |
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326 if (GetFileAttributesEx((char *) file, GetFileExInfoStandard, &fa) == 0) { |
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327 return NGX_FILE_ERROR; |
185
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328 } |
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329 |
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330 sb->dwFileAttributes = fa.dwFileAttributes; |
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331 sb->ftCreationTime = fa.ftCreationTime; |
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332 sb->ftLastAccessTime = fa.ftLastAccessTime; |
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333 sb->ftLastWriteTime = fa.ftLastWriteTime; |
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334 sb->nFileSizeHigh = fa.nFileSizeHigh; |
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335 sb->nFileSizeLow = fa.nFileSizeLow; |
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336 |
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337 return ~NGX_FILE_ERROR; |
185
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338 } |
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339 |
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340 |
561 | 341 ngx_int_t |
681 | 342 ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) |
343 { | |
344 uint64_t intervals; | |
345 FILETIME ft; | |
346 | |
347 /* 116444736000000000 is commented in src/os/win32/ngx_time.c */ | |
348 | |
349 intervals = s * 10000000 + 116444736000000000; | |
350 | |
351 ft.dwLowDateTime = (DWORD) intervals; | |
352 ft.dwHighDateTime = (DWORD) (intervals >> 32); | |
353 | |
354 if (SetFileTime(fd, NULL, NULL, &ft) != 0) { | |
355 return NGX_OK; | |
356 } | |
357 | |
358 return NGX_ERROR; | |
359 } | |
360 | |
361 | |
2259 | 362 char * |
363 ngx_realpath(u_char *path, u_char *resolved) | |
364 { | |
365 /* STUB */ | |
366 return (char *) path; | |
367 } | |
368 | |
369 | |
561 | 370 ngx_int_t |
371 ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) | |
186
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372 { |
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373 ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1); |
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374 |
727 | 375 dir->dir = FindFirstFile((const char *) name->data, &dir->finddata); |
577 | 376 |
186
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377 if (dir->dir == INVALID_HANDLE_VALUE) { |
577 | 378 return NGX_ERROR; |
186
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379 } |
577 | 380 |
457 | 381 dir->valid_info = 1; |
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382 dir->valid_type = 1; |
186
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383 dir->ready = 1; |
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384 |
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385 return NGX_OK; |
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386 } |
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387 |
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388 |
561 | 389 ngx_int_t |
390 ngx_read_dir(ngx_dir_t *dir) | |
186
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391 { |
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392 if (dir->ready) { |
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393 dir->ready = 0; |
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394 return NGX_OK; |
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395 } |
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396 |
727 | 397 if (FindNextFile(dir->dir, &dir->finddata) != 0) { |
681 | 398 return NGX_OK; |
186
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399 } |
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400 |
681 | 401 return NGX_ERROR; |
186
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402 } |
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403 |
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404 |
501 | 405 ngx_int_t |
727 | 406 ngx_open_glob(ngx_glob_t *gl) |
407 { | |
2459 | 408 u_char *p; |
409 size_t len; | |
410 ngx_err_t err; | |
1632 | 411 |
727 | 412 gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata); |
413 | |
414 if (gl->dir == INVALID_HANDLE_VALUE) { | |
1980 | 415 |
2459 | 416 err = ngx_errno; |
417 | |
418 if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) | |
419 && gl->test) | |
420 { | |
1980 | 421 gl->no_match = 1; |
422 return NGX_OK; | |
423 } | |
424 | |
727 | 425 return NGX_ERROR; |
426 } | |
427 | |
1632 | 428 for (p = gl->pattern; *p; p++) { |
429 if (*p == '/') { | |
430 gl->last = p + 1 - gl->pattern; | |
431 } | |
432 } | |
433 | |
434 len = ngx_strlen(gl->finddata.cFileName); | |
435 gl->name.len = gl->last + len; | |
436 | |
437 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
438 if (gl->name.data == NULL) { | |
439 return NGX_ERROR; | |
440 } | |
441 | |
442 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
443 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
444 len + 1); | |
445 | |
727 | 446 gl->ready = 1; |
447 | |
448 return NGX_OK; | |
449 } | |
450 | |
451 | |
452 ngx_int_t | |
453 ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name) | |
454 { | |
1632 | 455 size_t len; |
727 | 456 ngx_err_t err; |
457 | |
1980 | 458 if (gl->no_match) { |
459 return NGX_DONE; | |
460 } | |
461 | |
727 | 462 if (gl->ready) { |
1632 | 463 *name = gl->name; |
727 | 464 |
465 gl->ready = 0; | |
466 return NGX_OK; | |
467 } | |
468 | |
1632 | 469 ngx_free(gl->name.data); |
470 gl->name.data = NULL; | |
471 | |
727 | 472 if (FindNextFile(gl->dir, &gl->finddata) != 0) { |
1632 | 473 |
474 len = ngx_strlen(gl->finddata.cFileName); | |
475 gl->name.len = gl->last + len; | |
476 | |
477 gl->name.data = ngx_alloc(gl->name.len + 1, gl->log); | |
478 if (gl->name.data == NULL) { | |
479 return NGX_ERROR; | |
480 } | |
481 | |
482 ngx_memcpy(gl->name.data, gl->pattern, gl->last); | |
483 ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName, | |
484 len + 1); | |
485 | |
486 *name = gl->name; | |
727 | 487 |
488 return NGX_OK; | |
489 } | |
490 | |
491 err = ngx_errno; | |
492 | |
493 if (err == NGX_ENOMOREFILES) { | |
494 return NGX_DONE; | |
495 } | |
496 | |
497 ngx_log_error(NGX_LOG_ALERT, gl->log, err, | |
498 "FindNextFile(%s) failed", gl->pattern); | |
499 | |
500 return NGX_ERROR; | |
501 } | |
502 | |
503 | |
504 void | |
505 ngx_close_glob(ngx_glob_t *gl) | |
506 { | |
1632 | 507 if (gl->name.data) { |
508 ngx_free(gl->name.data); | |
509 } | |
510 | |
1980 | 511 if (gl->dir == INVALID_HANDLE_VALUE) { |
512 return; | |
513 } | |
514 | |
1632 | 515 if (FindClose(gl->dir) == 0) { |
727 | 516 ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno, |
517 "FindClose(%s) failed", gl->pattern); | |
518 } | |
519 } | |
520 | |
521 | |
522 ngx_int_t | |
501 | 523 ngx_de_info(u_char *name, ngx_dir_t *dir) |
524 { | |
525 return NGX_OK; | |
526 } | |
527 | |
528 | |
529 ngx_int_t | |
530 ngx_de_link_info(u_char *name, ngx_dir_t *dir) | |
531 { | |
532 return NGX_OK; | |
533 } | |
534 | |
535 | |
561 | 536 ngx_int_t |
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537 ngx_directio_on(ngx_fd_t fd) |
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538 { |
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539 return 0; |
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540 } |
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541 |
2615 | 542 |
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543 ngx_int_t |
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544 ngx_directio_off(ngx_fd_t fd) |
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545 { |
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546 return 0; |
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547 } |
2615 | 548 |
549 | |
550 size_t | |
551 ngx_fs_bsize(u_char *name) | |
552 { | |
553 u_char root[4]; | |
554 u_long sc, bs, nfree, ncl; | |
555 | |
556 if (name[2] == ':') { | |
557 ngx_cpystrn(root, name, 4); | |
558 name = root; | |
559 } | |
560 | |
561 if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) { | |
562 return 512; | |
563 } | |
564 | |
565 return sc * bs; | |
566 } | |
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567 |
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568 |
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569 static u_short * |
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570 ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t len) |
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571 { |
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572 u_char *p; |
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573 u_short *u, *last; |
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574 uint32_t n; |
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575 |
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576 p = utf8; |
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577 u = utf16; |
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578 last = utf16 + len; |
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579 |
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580 while (u < last) { |
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581 |
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582 if (*p < 0x80) { |
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583 *u = (u_short) *p; |
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584 |
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585 if (*p == 0) { |
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586 return utf16; |
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587 } |
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588 |
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589 u++; |
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590 p++; |
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591 |
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592 continue; |
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593 } |
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594 |
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595 n = ngx_utf8_decode(&p, 4); |
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596 |
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597 if (n > 0xffff) { |
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598 free(utf16); |
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599 ngx_set_errno(NGX_EILSEQ); |
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600 return NULL; |
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601 } |
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602 |
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603 *u++ = (u_short) n; |
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604 } |
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605 |
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606 /* the given buffer is not enough, allocate a new one */ |
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607 |
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608 u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short)); |
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609 if (u == NULL) { |
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610 return NULL; |
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611 } |
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612 |
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613 ngx_memcpy(u, utf16, len * 2); |
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614 |
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615 utf16 = u; |
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616 u += len; |
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617 |
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618 for ( ;; ) { |
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619 |
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620 if (*p < 0x80) { |
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621 *u = (u_short) *p; |
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622 |
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623 if (*p == 0) { |
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624 return utf16; |
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625 } |
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626 |
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627 u++; |
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628 p++; |
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629 |
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630 continue; |
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631 } |
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632 |
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633 n = ngx_utf8_decode(&p, 4); |
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634 |
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635 if (n > 0xffff) { |
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636 free(utf16); |
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637 ngx_set_errno(NGX_EILSEQ); |
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638 return NULL; |
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639 } |
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640 |
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641 *u++ = (u_short) n; |
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642 } |
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643 |
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644 /* unreachable */ |
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645 } |