annotate src/os/unix/ngx_files.h @ 506:b9fdcaf2062b NGINX_0_7_65

nginx 0.7.65 *) Security: now nginx/Windows ignores trailing spaces in URI. Thanks to Dan Crowley, Core Security Technologies. *) Security: now nginx/Windows ignores short files names. Thanks to Dan Crowley, Core Security Technologies. *) Change: now the "009" status code is written to an access log for proxied HTTP/0.9 responses. *) Change: now the default buffer size of the "large_client_header_buffers" directive is 8K. Thanks to Andrew Cholakian. *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5". *) Change: now SSLv2 protocol is disabled by default. *) Change: now $host variable value is always low case. *) Feature: the conf/fastcgi.conf for simple FastCGI configurations. *) Feature: now URI part is not required a "proxy_pass" directive if variables are used. *) Feature: the $ssl_session_id variable. *) Bugfix: if a proxied or FastCGI request was internally redirected to another proxied or FastCGI location, then $upstream_response_time variable may have abnormally large value; the bug had appeared in 0.7.63. *) Bugfix: if the "expires modified" set date in the past, then a negative number was set in the "Cache-Control" response header line. Thanks to Alex Kapranoff. *) Bugfix: nginx closed a connection if a cached response had an empty body. Thanks to Piotr Sikora. *) Bugfix: nginx cached a 304 response if there was the "If-None-Match" header line in a proxied request. Thanks to Tim Dettrick and David Kostal. *) Bugfix: nginx did not treat a comma as separator in the "Cache-Control" backend response header line. *) Bugfix: cached HTTP/0.9 responses were handled incorrectly. *) Bugfix: nginx sent gzipped responses to clients those do not support gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared in 0.8.16. *) Bugfix: nginx always added "Content-Encoding: gzip" response header line in 304 responses sent by ngx_http_gzip_static_module. *) Bugfix: the "!-x" operator did not work. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process, if limit_rate was used in HTTPS server. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process while $limit_rate logging. Thanks to Maxim Dounin. *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms; *) Bugfix: nginx/Windows tried to delete a temporary file twice if the file should replace an already existent file. *) Bugfix: nginx/Windows tried to rename a temporary file twice if the file should replace an already existent file. *) Bugfix: nginx/Windows might not create temporary file, a cache file, or "proxy/fastcgi_store"d file if a worker had no enough access rights for top level directories. *) Bugfix: in UTF-8 encoding support by "try_files" directive in nginx/Windows. *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module. Thanks to Maxim Dounin. *) Bugfix: the ngx_http_autoindex_module did not show the trailing slash in links to a directory; the bug had appeared in 0.7.15. *) Bugfix: nginx did not close a log file set by the --error-log-path configuration option; the bug had appeared in 0.7.53. *) Bugfix: "addition_types" directive was incorrectly named "addtion_types". *) Bugfix: invalid request line in $request variable was written in access_log only if error_log was set to "info" or "debug" level.
author Igor Sysoev <http://sysoev.ru>
date Mon, 01 Feb 2010 00:00:00 +0000
parents 89dc5654117c
children 68c0ae0a4959
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_FILES_H_INCLUDED_
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8 #define _NGX_FILES_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 typedef int ngx_fd_t;
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16 typedef struct stat ngx_file_info_t;
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17 typedef ino_t ngx_file_uniq_t;
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19
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20 typedef struct {
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21 DIR *dir;
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22 struct dirent *de;
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23 struct stat info;
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25 unsigned type:8;
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26 unsigned valid_info:1;
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27 } ngx_dir_t;
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30 typedef struct {
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31 size_t n;
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32 glob_t pglob;
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33 u_char *pattern;
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34 ngx_log_t *log;
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35 ngx_uint_t test;
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36 } ngx_glob_t;
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39 #define NGX_INVALID_FILE -1
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40 #define NGX_FILE_ERROR -1
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44 #ifdef __CYGWIN__
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46 #define NGX_HAVE_CASELESS_FILESYSTEM 1
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47
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48 #define ngx_open_file(name, mode, create, access) \
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49 open((const char *) name, mode|create|O_BINARY, access)
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50
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51 #else
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53 #define ngx_open_file(name, mode, create, access) \
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54 open((const char *) name, mode|create, access)
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56 #endif
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57
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58 #define ngx_open_file_n "open()"
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60 #define NGX_FILE_RDONLY O_RDONLY
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61 #define NGX_FILE_WRONLY O_WRONLY
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62 #define NGX_FILE_RDWR O_RDWR
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63 #define NGX_FILE_CREATE_OR_OPEN O_CREAT
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64 #define NGX_FILE_OPEN 0
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65 #define NGX_FILE_TRUNCATE O_CREAT|O_TRUNC
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66 #define NGX_FILE_APPEND O_WRONLY|O_APPEND
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68 #define NGX_FILE_DEFAULT_ACCESS 0644
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69 #define NGX_FILE_OWNER_ACCESS 0600
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72 #define ngx_close_file close
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73 #define ngx_close_file_n "close()"
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76 #define ngx_delete_file(name) unlink((const char *) name)
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77 #define ngx_delete_file_n "unlink()"
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80 ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent,
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81 ngx_uint_t access);
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82 #define ngx_open_tempfile_n "open()"
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85 ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
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86 #if (NGX_HAVE_PREAD)
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87 #define ngx_read_file_n "pread()"
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88 #else
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89 #define ngx_read_file_n "read()"
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90 #endif
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92 ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
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93 off_t offset);
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95 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
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96 off_t offset, ngx_pool_t *pool);
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99 #define ngx_read_fd read
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100 #define ngx_read_fd_n "read()"
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102 /*
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103 * we use inlined function instead of simple #define
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104 * because glibc 2.3 sets warn_unused_result attribute for write()
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105 * and in this case gcc 4.3 ignores (void) cast
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106 */
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107 static ngx_inline ssize_t
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108 ngx_write_fd(ngx_fd_t fd, void *buf, size_t n)
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109 {
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110 return write(fd, buf, n);
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111 }
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113 #define ngx_write_fd_n "write()"
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116 #define ngx_write_console ngx_write_fd
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119 #define ngx_linefeed(p) *p++ = LF;
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120 #define NGX_LINEFEED_SIZE 1
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123 #define ngx_rename_file(o, n) rename((const char *) o, (const char *) n)
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124 #define ngx_rename_file_n "rename()"
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127 #define ngx_change_file_access(n, a) chmod((const char *) n, a)
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128 #define ngx_change_file_access_n "chmod()"
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131 ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s);
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132 #define ngx_set_file_time_n "utimes()"
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135 #define ngx_file_info(file, sb) stat((const char *) file, sb)
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136 #define ngx_file_info_n "stat()"
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137
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138 #define ngx_fd_info(fd, sb) fstat(fd, sb)
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139 #define ngx_fd_info_n "fstat()"
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140
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141 #define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
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142 #define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
218
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143 #define ngx_is_link(sb) (S_ISLNK((sb)->st_mode))
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144 #define ngx_is_exec(sb) (((sb)->st_mode & S_IXUSR) == S_IXUSR)
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145 #define ngx_file_access(sb) ((sb)->st_mode & 0777)
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146 #define ngx_file_size(sb) (sb)->st_size
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147 #define ngx_file_mtime(sb) (sb)->st_mtime
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148 #define ngx_file_uniq(sb) (sb)->st_ino
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149
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150
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151 #if (NGX_HAVE_CASELESS_FILESYSTEM)
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152
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153 #define ngx_filename_cmp(s1, s2, n) strncasecmp((char *) s1, (char *) s2, n)
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154
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155 #else
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156
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157 #define ngx_filename_cmp ngx_memcmp
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158
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159 #endif
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160
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161
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162 #define ngx_realpath(p, r) realpath((char *) p, (char *) r)
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163 #define ngx_realpath_n "realpath()"
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164 #define ngx_getcwd(buf, size) (getcwd((char *) buf, size) != NULL)
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165 #define ngx_getcwd_n "getcwd()"
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166 #define ngx_path_separator(c) ((c) == '/')
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167
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168 #define NGX_MAX_PATH PATH_MAX
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169
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170 #define NGX_DIR_MASK_LEN 0
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171
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172
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173 ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
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174 #define ngx_open_dir_n "opendir()"
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175
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176
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177 #define ngx_close_dir(d) closedir((d)->dir)
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178 #define ngx_close_dir_n "closedir()"
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179
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180
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181 ngx_int_t ngx_read_dir(ngx_dir_t *dir);
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182 #define ngx_read_dir_n "readdir()"
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183
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184
218
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185 #define ngx_create_dir(name, access) mkdir((const char *) name, access)
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186 #define ngx_create_dir_n "mkdir()"
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187
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188
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189 #define ngx_delete_dir(name) rmdir((const char *) name)
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190 #define ngx_delete_dir_n "rmdir()"
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191
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192
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193 #define ngx_dir_access(a) (a | (a & 0444) >> 2)
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194
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195
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196 #define ngx_de_name(dir) ((u_char *) (dir)->de->d_name)
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197 #if (NGX_HAVE_D_NAMLEN)
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198 #define ngx_de_namelen(dir) (dir)->de->d_namlen
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199 #else
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200 #define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name)
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201 #endif
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202
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203 static ngx_inline ngx_int_t
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204 ngx_de_info(u_char *name, ngx_dir_t *dir)
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205 {
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206 dir->type = 0;
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207 return stat((const char *) name, &dir->info);
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208 }
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209
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210 #define ngx_de_info_n "stat()"
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211 #define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info)
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212 #define ngx_de_link_info_n "lstat()"
406
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213
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214 #if (NGX_HAVE_D_TYPE)
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215
506
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216 /*
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217 * some file systems (e.g. XFS on Linux and CD9660 on FreeBSD)
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218 * do not set dirent.d_type
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219 */
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220
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221 #define ngx_de_is_dir(dir) \
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222 (((dir)->type) ? ((dir)->type == DT_DIR) : (S_ISDIR((dir)->info.st_mode)))
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223 #define ngx_de_is_file(dir) \
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224 (((dir)->type) ? ((dir)->type == DT_REG) : (S_ISREG((dir)->info.st_mode)))
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225 #define ngx_de_is_link(dir) \
506
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226 (((dir)->type) ? ((dir)->type == DT_LNK) : (S_ISLNK((dir)->info.st_mode)))
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227
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228 #else
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229
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230 #define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode))
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231 #define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode))
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232 #define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode))
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233
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234 #endif
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235
276
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236 #define ngx_de_access(dir) (((dir)->info.st_mode) & 0777)
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237 #define ngx_de_size(dir) (dir)->info.st_size
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238 #define ngx_de_mtime(dir) (dir)->info.st_mtime
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239
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240
238
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241 ngx_int_t ngx_open_glob(ngx_glob_t *gl);
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242 #define ngx_open_glob_n "glob()"
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243 ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name);
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244 void ngx_close_glob(ngx_glob_t *gl);
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245
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246
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247 ngx_err_t ngx_trylock_fd(ngx_fd_t fd);
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248 ngx_err_t ngx_lock_fd(ngx_fd_t fd);
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249 ngx_err_t ngx_unlock_fd(ngx_fd_t fd);
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250
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251 #define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)"
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252 #define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)"
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253 #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)"
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254
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255
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256 #if (NGX_HAVE_O_DIRECT)
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257
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258 ngx_int_t ngx_directio_on(ngx_fd_t fd);
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259 #define ngx_directio_on_n "fcntl(O_DIRECT)"
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260
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261 ngx_int_t ngx_directio_off(ngx_fd_t fd);
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262 #define ngx_directio_off_n "fcntl(!O_DIRECT)"
390
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263
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264 #elif (NGX_HAVE_F_NOCACHE)
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265
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266 #define ngx_directio_on(fd) fcntl(fd, F_NOCACHE, 1)
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267 #define ngx_directio_on_n "fcntl(F_NOCACHE, 1)"
390
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268
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269 #elif (NGX_HAVE_DIRECTIO)
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270
410
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271 #define ngx_directio_on(fd) directio(fd, DIRECTIO_ON)
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272 #define ngx_directio_on_n "directio(DIRECTIO_ON)"
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273
390
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274 #else
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275
410
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276 #define ngx_directio_on(fd) 0
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277 #define ngx_directio_on_n "ngx_directio_on_n"
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278
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279 #endif
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280
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281 size_t ngx_fs_bsize(u_char *name);
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283
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284 #define ngx_stderr STDERR_FILENO
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285 #define ngx_set_stderr(fd) dup2(fd, STDERR_FILENO)
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286 #define ngx_set_stderr_n "dup2(STDERR_FILENO)"
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287
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288
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289 #endif /* _NGX_FILES_H_INCLUDED_ */