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annotate src/core/ngx_file.c @ 75:869b10be682f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-04-14-21:04:58 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 14 Apr 2003 17:04:58 +0000
parents 17ab1af8c3dd
children a7e45c45a95c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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2 #include <ngx_config.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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3 #include <ngx_core.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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4 #include <ngx_hunk.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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5 #include <ngx_array.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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6 #include <ngx_file.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7 #include <ngx_files.h>
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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8
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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9
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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10 int ngx_create_temp_file(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:
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11 ngx_pool_t *pool, int num, int step, int persistent)
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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12 {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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13 int i;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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14 ngx_err_t err;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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15
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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16 file->name.len = path->name.len + 1 + path->len + 10;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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17
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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18 ngx_test_null(file->name.data, ngx_palloc(pool, file->name.len + 1),
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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19 NGX_ERROR);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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20
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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21 #if 0
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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22 for (i = 0; i < file->name.len; i++) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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23 file->name.data[i] = 'X';
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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24 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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25 #endif
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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26
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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27 ngx_memcpy(file->name.data, path->name.data, path->name.len);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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28
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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29 for ( ;; ) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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30 snprintf(file->name.data + path->name.len + 1 + path->len, 11,
75
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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parents: 74
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31 "%010u", num);
74
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32
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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33 ngx_create_hashed_filename(file, path);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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34
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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35 #if 0
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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36 #if (WIN32)
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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37 file->fd = CreateFile(file->name.data,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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38 GENERIC_READ|GENERIC_WRITE,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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39 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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40 NULL,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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41 CREATE_NEW,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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42 persistent ? 0:
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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43 FILE_ATTRIBUTE_TEMPORARY|FILE_FLAG_DELETE_ON_CLOSE,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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44 NULL);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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45 #else
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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46 file->fd = open(file->name.data, O_CREAT|O_EXCL|O_WRONLY, 0600);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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47 #endif
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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48 #endif
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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49
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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50 file->fd = ngx_open_tempfile(file->name.data, persistent);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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51
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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52 ngx_log_debug(file->log, "temp fd: %d" _ file->fd);
869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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53
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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54 if (file->fd != NGX_INVALID_FILE) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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55 return NGX_OK;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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56 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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57
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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58 err = ngx_errno;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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59
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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60 if (err == NGX_EEXIST) {
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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61 num = (num + 1) * step;
74
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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62 continue;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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63 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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64
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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65 if (err != NGX_ENOENT
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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66 #if (WIN32_NEED_TEST)
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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67 && err != NGX_ENOTDIR
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68 #endif
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69 ) {
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70 ngx_log_error(NGX_LOG_CRIT, file->log, err,
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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71 ngx_open_tempfile_n " \"%s\" failed",
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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72 file->name.data);
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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73 return NGX_ERROR;
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Igor Sysoev <igor@sysoev.ru>
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74 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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75
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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76 if (ngx_create_path(file, path) == NGX_ERROR) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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77 return NGX_ERROR;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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78 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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79 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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80 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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81
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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82
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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83 void ngx_create_hashed_filename(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>
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84 {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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85 int i, name, pos, level;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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86
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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87 name = file->name.len;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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88 pos = path->name.len + 1;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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89
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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90 file->name.data[path->name.len + path->len] = '/';
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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91
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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92 for (i = 0; i < 3; i++) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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93 level = path->level[i];
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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94
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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95 if (level == 0) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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parents:
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96 break;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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97 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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98
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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99 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:
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100
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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101 name -= level;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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102 file->name.data[pos - 1] = '/';
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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103 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:
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104 pos += level + 1;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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105 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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106
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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107 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:
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108 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
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109
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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110
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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111 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:
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112 {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
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113 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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114 ngx_err_t err;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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115
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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116 pos = path->name.len;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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117
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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118 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 changeset
119 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
120 break;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 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
124
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 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
126
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 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
128
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 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
130 err = ngx_errno;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 if (err != NGX_EEXIST) {
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 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
133 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 changeset
134 return NGX_ERROR;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 file->name.data[pos] = '/';
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 }
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 return NGX_OK;
17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 }