Mercurial > hg > nginx
annotate src/core/ngx_file.c @ 92:19cc647ecd91
nginx-0.0.1-2003-05-20-19:37:55 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 20 May 2003 15:37:55 +0000 |
parents | a7e45c45a95c |
children | 738fe44c70d5 |
rev | line source |
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74
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nginx-0.0.1-2003-04-11-20:01:14 import
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1 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-04-11-20:01:14 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-04-11-20:01:14 import
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4 #include <ngx_hunk.h> |
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5 #include <ngx_array.h> |
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nginx-0.0.1-2003-04-11-20:01:14 import
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6 #include <ngx_file.h> |
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nginx-0.0.1-2003-04-11-20:01:14 import
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7 #include <ngx_files.h> |
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8 |
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9 |
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10 static int ngx_temp_number; |
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11 static int ngx_random; |
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12 |
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13 |
74
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14 int ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, |
83
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15 ngx_pool_t *pool, int persistent) |
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16 { |
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17 int num; |
74
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18 ngx_err_t err; |
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19 |
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20 file->name.len = path->name.len + 1 + path->len + 10; |
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21 |
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22 ngx_test_null(file->name.data, ngx_palloc(pool, file->name.len + 1), |
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23 NGX_ERROR); |
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24 |
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25 #if 0 |
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26 for (i = 0; i < file->name.len; i++) { |
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27 file->name.data[i] = 'X'; |
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28 } |
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29 #endif |
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30 |
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31 ngx_memcpy(file->name.data, path->name.data, path->name.len); |
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32 |
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33 num = ngx_next_temp_number(0); |
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34 |
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35 for ( ;; ) { |
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36 ngx_snprintf(file->name.data + path->name.len + 1 + path->len, 11, |
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37 "%010u", num); |
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38 |
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39 ngx_create_hashed_filename(file, path); |
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40 |
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41 #if 0 |
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nginx-0.0.1-2003-04-11-20:01:14 import
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42 #if (WIN32) |
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nginx-0.0.1-2003-04-11-20:01:14 import
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43 file->fd = CreateFile(file->name.data, |
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44 GENERIC_READ|GENERIC_WRITE, |
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45 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, |
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46 NULL, |
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47 CREATE_NEW, |
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48 persistent ? 0: |
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49 FILE_ATTRIBUTE_TEMPORARY|FILE_FLAG_DELETE_ON_CLOSE, |
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50 NULL); |
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51 #else |
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nginx-0.0.1-2003-04-11-20:01:14 import
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52 file->fd = open(file->name.data, O_CREAT|O_EXCL|O_WRONLY, 0600); |
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53 #endif |
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54 #endif |
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55 |
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56 file->fd = ngx_open_tempfile(file->name.data, persistent); |
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57 |
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58 ngx_log_debug(file->log, "temp fd: %d" _ file->fd); |
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59 |
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60 if (file->fd != NGX_INVALID_FILE) { |
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61 return NGX_OK; |
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62 } |
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63 |
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64 err = ngx_errno; |
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65 |
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66 if (err == NGX_EEXIST) { |
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67 num = ngx_next_temp_number(1); |
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68 continue; |
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69 } |
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70 |
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71 if (err != NGX_ENOENT |
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72 #if (WIN32_NEED_TEST) |
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73 && err != NGX_ENOTDIR |
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74 #endif |
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75 ) { |
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76 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
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77 ngx_open_tempfile_n " \"%s\" failed", |
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nginx-0.0.1-2003-04-11-20:01:14 import
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78 file->name.data); |
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79 return NGX_ERROR; |
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80 } |
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81 |
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82 if (ngx_create_path(file, path) == NGX_ERROR) { |
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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 |
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89 void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path) |
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90 { |
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91 int i, name, pos, level; |
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92 |
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93 name = file->name.len; |
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94 pos = path->name.len + 1; |
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95 |
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96 file->name.data[path->name.len + path->len] = '/'; |
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97 |
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98 for (i = 0; i < 3; i++) { |
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99 level = path->level[i]; |
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100 |
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101 if (level == 0) { |
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102 break; |
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103 } |
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104 |
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105 ngx_log_debug(file->log, "temp: %s" _ file->name.data); |
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nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
diff
changeset
|
106 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
107 name -= level; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
108 file->name.data[pos - 1] = '/'; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 ngx_memcpy(&file->name.data[pos], &file->name.data[name], level); |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
110 pos += level + 1; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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113 ngx_log_debug(file->log, "temp: %s" _ file->name.data); |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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116 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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117 int ngx_create_path(ngx_file_t *file, ngx_path_t *path) |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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118 { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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119 int i, pos; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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120 ngx_err_t err; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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121 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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122 pos = path->name.len; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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124 for (i = 0; i < 3; i++) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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125 if (path->level[i] == 0) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 break; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
127 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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129 pos += path->level[i] + 1; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
131 file->name.data[pos] = '\0'; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
133 ngx_log_debug(file->log, "temp: %s" _ file->name.data); |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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135 if (ngx_mkdir(file->name.data) == NGX_FILE_ERROR) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 err = ngx_errno; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 if (err != NGX_EEXIST) { |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 ngx_log_error(NGX_LOG_CRIT, file->log, err, |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 ngx_mkdir_n " \"%s\" failed", file->name.data); |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
140 return NGX_ERROR; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 file->name.data[pos] = '/'; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 } |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 return NGX_OK; |
17ab1af8c3dd
nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 } |
83
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
149 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
150 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
151 void ngx_init_temp_number() |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
152 { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
153 ngx_random = 0; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
154 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
155 ngx_temp_number = ngx_random; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
156 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
157 while (ngx_random < 10000) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
158 ngx_random = 123456; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
159 } |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
160 } |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
161 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
162 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
163 int ngx_next_temp_number(int collision) |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
164 { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
165 if (collision) { |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
166 ngx_temp_number += ngx_random; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
167 } |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
168 |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
169 return ngx_temp_number++; |
a7e45c45a95c
nginx-0.0.1-2003-04-28-19:06:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
75
diff
changeset
|
170 } |