Mercurial > hg > nginx

comparison src/core/ngx_file.c @ 74:17ab1af8c3dd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-04-11-20:01:14 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 11 Apr 2003 16:01:14 +0000
parents
children 869b10be682f
comparison
equal deleted inserted replaced
73:4534060fde92 74:17ab1af8c3dd
1
2 #include <ngx_config.h>
3 #include <ngx_core.h>
4 #include <ngx_hunk.h>
5 #include <ngx_array.h>
6 #include <ngx_file.h>
7 #include <ngx_files.h>
8
9
10 int ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
11 ngx_pool_t *pool, int num, int step, int persistent)
12 {
13 int i;
14 ngx_err_t err;
15
16 file->name.len = path->name.len + 1 + path->len + 10;
17
18 ngx_test_null(file->name.data, ngx_palloc(pool, file->name.len + 1),
19 NGX_ERROR);
20
21 #if 0
22 for (i = 0; i < file->name.len; i++) {
23 file->name.data[i] = 'X';
24 }
25 #endif
26
27 ngx_memcpy(file->name.data, path->name.data, path->name.len);
28
29 for ( ;; ) {
30 snprintf(file->name.data + path->name.len + 1 + path->len, 11,
31 "%010d", num);
32
33 ngx_create_hashed_filename(file, path);
34
35 #if 0
36 #if (WIN32)
37 file->fd = CreateFile(file->name.data,
38 GENERIC_READ|GENERIC_WRITE,
39 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
40 NULL,
41 CREATE_NEW,
42 persistent ? 0:
43 FILE_ATTRIBUTE_TEMPORARY|FILE_FLAG_DELETE_ON_CLOSE,
44 NULL);
45 #else
46 file->fd = open(file->name.data, O_CREAT|O_EXCL|O_WRONLY, 0600);
47 #endif
48 #endif
49
50 file->fd = ngx_open_tempfile(file->name.data, persistent);
51
52 if (file->fd != NGX_INVALID_FILE) {
53 return NGX_OK;
54 }
55
56 err = ngx_errno;
57
58 if (err == NGX_EEXIST) {
59 num *= step;
60 continue;
61 }
62
63 if (err != NGX_ENOENT
64 #if (WIN32_NEED_TEST)
65 && err != NGX_ENOTDIR
66 #endif
67 ) {
68 ngx_log_error(NGX_LOG_CRIT, file->log, err,
69 ngx_open_tempfile_n " \"%s\" failed",
70 file->name.data);
71 return NGX_ERROR;
72 }
73
74 if (ngx_create_path(file, path) == NGX_ERROR) {
75 return NGX_ERROR;
76 }
77 }
78 }
79
80
81 void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path)
82 {
83 int i, name, pos, level;
84
85 name = file->name.len;
86 pos = path->name.len + 1;
87
88 file->name.data[path->name.len + path->len] = '/';
89
90 for (i = 0; i < 3; i++) {
91 level = path->level[i];
92
93 if (level == 0) {
94 break;
95 }
96
97 ngx_log_debug(file->log, "temp: %s" _ file->name.data);
98
99 name -= level;
100 file->name.data[pos - 1] = '/';
101 ngx_memcpy(&file->name.data[pos], &file->name.data[name], level);
102 pos += level + 1;
103 }
104
105 ngx_log_debug(file->log, "temp: %s" _ file->name.data);
106 }
107
108
109 int ngx_create_path(ngx_file_t *file, ngx_path_t *path)
110 {
111 int i, pos;
112 ngx_err_t err;
113
114 pos = path->name.len;
115
116 for (i = 0; i < 3; i++) {
117 if (path->level[i] == 0) {
118 break;
119 }
120
121 pos += path->level[i] + 1;
122
123 file->name.data[pos] = '\0';
124
125 ngx_log_debug(file->log, "temp: %s" _ file->name.data);
126
127 if (ngx_mkdir(file->name.data) == NGX_FILE_ERROR) {
128 err = ngx_errno;
129 if (err != NGX_EEXIST) {
130 ngx_log_error(NGX_LOG_CRIT, file->log, err,
131 ngx_mkdir_n " \"%s\" failed", file->name.data);
132 return NGX_ERROR;
133 }
134 }
135
136 file->name.data[pos] = '/';
137 }
138
139 return NGX_OK;
140 }