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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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5
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6
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7 #ifndef _NGX_FILES_H_INCLUDED_
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8 #define _NGX_FILES_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13
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14
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15 #define NGX_INVALID_FILE -1
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16 #define NGX_FILE_ERROR -1
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17
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18
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19
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20 #define ngx_open_file(name, access, create) \
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46
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21 open((const char *) name, access|create, 0644)
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0
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22 #define ngx_open_file_n "open()"
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23
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24 #define NGX_FILE_RDONLY O_RDONLY
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25 #define NGX_FILE_RDWR O_RDWR
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26 #define NGX_FILE_CREATE_OR_OPEN O_CREAT
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27 #define NGX_FILE_OPEN 0
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28 #define NGX_FILE_TRUNCATE O_TRUNC
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29 #define NGX_FILE_APPEND O_APPEND
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30
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31
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32 #define ngx_close_file close
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33 #define ngx_close_file_n "close()"
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34
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35
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36 #define ngx_delete_file(name) unlink((const char *) name)
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37 #define ngx_delete_file_n "unlink()"
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38
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39
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16
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40 ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent);
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0
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41 #define ngx_open_tempfile_n "open()"
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42
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43
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44 ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
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45 #define ngx_read_file_n "read()"
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46
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47 ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
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46
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48 off_t offset);
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0
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49
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50 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
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46
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51 off_t offset, ngx_pool_t *pool);
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0
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52
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53
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120
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54 #define ngx_write_fd write
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55 #define ngx_linefeed(p) *p++ = LF;
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56 #define NGX_LINEFEED_SIZE 1
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57
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58
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0
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59 #define ngx_rename_file rename
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60 #define ngx_rename_file_n "rename"
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61
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62
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63 #define ngx_file_info(file, sb) stat((const char *) file, sb)
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64 #define ngx_file_info_n "stat()"
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65
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66 #define ngx_fd_info(fd, sb) fstat(fd, sb)
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67 #define ngx_fd_info_n "fstat()"
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68
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69 #define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
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70 #define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
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71 #define ngx_file_size(sb) (sb)->st_size
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72 #define ngx_file_mtime(sb) (sb)->st_mtime
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73 #define ngx_file_uniq(sb) (sb)->st_ino
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74
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75
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76
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77 #define ngx_getcwd(buf, size) (getcwd(buf, size) != NULL)
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78 #define ngx_getcwd_n "getcwd()"
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79 #define NGX_MAX_PATH PATH_MAX
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80
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81 #define NGX_DIR_MASK_LEN 0
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82
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83
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16
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84 ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
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0
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85 #define ngx_open_dir_n "opendir()"
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86
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87
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88 #define ngx_close_dir(d) closedir((d)->dir)
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89 #define ngx_close_dir_n "closedir()"
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90
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91
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92 #define ngx_read_dir(d) \
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93 (((d)->de = readdir((d)->dir)) ? NGX_OK : NGX_ERROR)
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0
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94 #define ngx_read_dir_n "readdir()"
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95
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96
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97 #define ngx_create_dir(name) mkdir((const char *) name, 0700)
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98 #define ngx_create_dir_n "mkdir()"
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99
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100
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101 #define ngx_delete_dir(name) rmdir((const char *) name)
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102 #define ngx_delete_dir_n "rmdir()"
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103
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104
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6
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105 #define ngx_de_name(dir) ((u_char *) (dir)->de->d_name)
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4
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106 #if (NGX_FREEBSD)
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0
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107 #define ngx_de_namelen(dir) (dir)->de->d_namlen
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108 #else
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109 #define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name)
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110 #endif
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46
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111 #define ngx_de_info(name, dir) stat((const char *) name, &(dir)->info)
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0
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112 #define ngx_de_info_n "stat()"
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46
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113 #define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info)
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114 #define ngx_de_link_info_n "lstat()"
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0
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115 #define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode))
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116 #define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode))
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46
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117 #define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode))
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0
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118 #define ngx_de_size(dir) (dir)->info.st_size
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119 #define ngx_de_mtime(dir) (dir)->info.st_mtime
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120
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121
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160
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122 ngx_err_t ngx_trylock_fd(ngx_fd_t fd);
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123 ngx_err_t ngx_lock_fd(ngx_fd_t fd);
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124 ngx_err_t ngx_unlock_fd(ngx_fd_t fd);
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125
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126 #define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)"
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127 #define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)"
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128 #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)"
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129
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130
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131 #endif /* _NGX_FILES_H_INCLUDED_ */
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