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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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372
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20 #ifdef __CYGWIN__
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21
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22 #define ngx_open_file(name, mode, create, access) \
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23 open((const char *) name, mode|create|O_BINARY, access)
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24
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25 #else
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26
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276
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27 #define ngx_open_file(name, mode, create, access) \
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28 open((const char *) name, mode|create, access)
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372
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29
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30 #endif
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31
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32 #define ngx_open_file_n "open()"
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33
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34 #define NGX_FILE_RDONLY O_RDONLY
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276
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35 #define NGX_FILE_WRONLY O_WRONLY
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36 #define NGX_FILE_RDWR O_RDWR
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37 #define NGX_FILE_CREATE_OR_OPEN O_CREAT
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38 #define NGX_FILE_OPEN 0
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39 #define NGX_FILE_TRUNCATE O_TRUNC
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40 #define NGX_FILE_APPEND O_APPEND
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41
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276
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42 #define NGX_FILE_DEFAULT_ACCESS 0644
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43
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0
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44
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45 #define ngx_close_file close
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46 #define ngx_close_file_n "close()"
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47
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48
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49 #define ngx_delete_file(name) unlink((const char *) name)
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50 #define ngx_delete_file_n "unlink()"
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51
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52
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182
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53 ngx_fd_t ngx_open_tempfile(u_char *name, ngx_uint_t persistent,
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276
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54 ngx_uint_t access);
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0
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55 #define ngx_open_tempfile_n "open()"
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56
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57
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58 ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
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59 #define ngx_read_file_n "read()"
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60
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61 ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
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46
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62 off_t offset);
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0
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63
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64 ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
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46
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65 off_t offset, ngx_pool_t *pool);
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0
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66
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67
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276
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68 #define ngx_read_fd read
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69 #define ngx_read_fd_n "read()"
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70
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378
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71 /*
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72 * we use inlined function instead of simple #define
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73 * because glibc 2.3 sets warn_unused_result attribute for write()
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74 * and in this case gcc 4.3 ignores (void) cast
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75 */
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76 static ngx_inline ssize_t
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77 ngx_write_fd(ngx_fd_t fd, void *buf, size_t n)
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78 {
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79 return write(fd, buf, n);
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80 }
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81
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276
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82 #define ngx_write_fd_n "write()"
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83
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120
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84 #define ngx_linefeed(p) *p++ = LF;
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85 #define NGX_LINEFEED_SIZE 1
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86
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87
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182
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88 #define ngx_rename_file(o, n) rename((const char *) o, (const char *) n)
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230
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89 #define ngx_rename_file_n "rename()"
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0
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90
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91
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218
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92 #define ngx_change_file_access(n, a) chmod((const char *) n, a)
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230
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93 #define ngx_change_file_access_n "chmod()"
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94
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95
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96 ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s);
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97 #define ngx_set_file_time_n "utimes()"
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218
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98
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99
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100 #define ngx_file_info(file, sb) stat((const char *) file, sb)
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101 #define ngx_file_info_n "stat()"
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102
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103 #define ngx_fd_info(fd, sb) fstat(fd, sb)
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104 #define ngx_fd_info_n "fstat()"
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105
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106 #define ngx_is_dir(sb) (S_ISDIR((sb)->st_mode))
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107 #define ngx_is_file(sb) (S_ISREG((sb)->st_mode))
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218
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108 #define ngx_is_link(sb) (S_ISLNK((sb)->st_mode))
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109 #define ngx_is_exec(sb) ((sb)->st_mode & S_IXUSR)
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276
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110 #define ngx_file_access(sb) ((sb)->st_mode & 0777)
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0
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111 #define ngx_file_size(sb) (sb)->st_size
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112 #define ngx_file_mtime(sb) (sb)->st_mtime
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113 #define ngx_file_uniq(sb) (sb)->st_ino
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114
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115
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116
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117 #define ngx_getcwd(buf, size) (getcwd(buf, size) != NULL)
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118 #define ngx_getcwd_n "getcwd()"
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119 #define NGX_MAX_PATH PATH_MAX
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120
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121 #define NGX_DIR_MASK_LEN 0
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122
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123
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16
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124 ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
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0
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125 #define ngx_open_dir_n "opendir()"
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126
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127
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128 #define ngx_close_dir(d) closedir((d)->dir)
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129 #define ngx_close_dir_n "closedir()"
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130
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131
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132 #define ngx_read_dir(d) \
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46
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133 (((d)->de = readdir((d)->dir)) ? NGX_OK : NGX_ERROR)
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134 #define ngx_read_dir_n "readdir()"
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135
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136
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218
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137 #define ngx_create_dir(name, access) mkdir((const char *) name, access)
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138 #define ngx_create_dir_n "mkdir()"
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139
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140
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141 #define ngx_delete_dir(name) rmdir((const char *) name)
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142 #define ngx_delete_dir_n "rmdir()"
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143
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144
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282
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145 #define ngx_dir_access(a) (a | (a & 0444) >> 2)
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146
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147
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6
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148 #define ngx_de_name(dir) ((u_char *) (dir)->de->d_name)
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4
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149 #if (NGX_FREEBSD)
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0
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150 #define ngx_de_namelen(dir) (dir)->de->d_namlen
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151 #else
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152 #define ngx_de_namelen(dir) ngx_strlen((dir)->de->d_name)
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153 #endif
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46
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154 #define ngx_de_info(name, dir) stat((const char *) name, &(dir)->info)
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0
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155 #define ngx_de_info_n "stat()"
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46
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156 #define ngx_de_link_info(name, dir) lstat((const char *) name, &(dir)->info)
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157 #define ngx_de_link_info_n "lstat()"
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0
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158 #define ngx_de_is_dir(dir) (S_ISDIR((dir)->info.st_mode))
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159 #define ngx_de_is_file(dir) (S_ISREG((dir)->info.st_mode))
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46
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160 #define ngx_de_is_link(dir) (S_ISLNK((dir)->info.st_mode))
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276
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161 #define ngx_de_access(dir) (((dir)->info.st_mode) & 0777)
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162 #define ngx_de_size(dir) (dir)->info.st_size
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163 #define ngx_de_mtime(dir) (dir)->info.st_mtime
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164
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165
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238
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166 typedef struct {
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372
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167 size_t n;
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168 glob_t pglob;
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169 u_char *pattern;
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170 ngx_log_t *log;
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171 ngx_uint_t test;
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238
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172 } ngx_glob_t;
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173
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174
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175 ngx_int_t ngx_open_glob(ngx_glob_t *gl);
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176 #define ngx_open_glob_n "glob()"
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177 ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name);
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178 void ngx_close_glob(ngx_glob_t *gl);
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179
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180
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160
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181 ngx_err_t ngx_trylock_fd(ngx_fd_t fd);
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182 ngx_err_t ngx_lock_fd(ngx_fd_t fd);
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183 ngx_err_t ngx_unlock_fd(ngx_fd_t fd);
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184
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185 #define ngx_trylock_fd_n "fcntl(F_SETLK, F_WRLCK)"
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186 #define ngx_lock_fd_n "fcntl(F_SETLKW, F_WRLCK)"
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187 #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)"
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188
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189
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190 #endif /* _NGX_FILES_H_INCLUDED_ */
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