1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FILE_IO_H 18 #define FILE_IO_H 19 20 #include "apr.h" 21 #include "apr_private.h" 22 #include "apr_general.h" 23 #include "apr_tables.h" 24 #include "apr_file_io.h" 25 #include "apr_file_info.h" 26 #include "apr_errno.h" 27 #include "apr_lib.h" 28 #include "apr_poll.h" 29 30 /* System headers the file I/O library needs */ 31 #if APR_HAVE_FCNTL_H 32 #include <fcntl.h> 33 #endif 34 #if APR_HAVE_SYS_TYPES_H 35 #include <sys/types.h> 36 #endif 37 #if APR_HAVE_ERRNO_H 38 #include <errno.h> 39 #endif 40 #if APR_HAVE_STRING_H 41 #include <string.h> 42 #endif 43 #if APR_HAVE_STRINGS_H 44 #include <strings.h> 45 #endif 46 #if APR_HAVE_DIRENT_H 47 #include <dirent.h> 48 #endif 49 #ifdef HAVE_SYS_STAT_H 50 #include <sys/stat.h> 51 #endif 52 #if APR_HAVE_UNISTD_H 53 #include <unistd.h> 54 #endif 55 #if APR_HAVE_STDIO_H 56 #include <stdio.h> 57 #endif 58 #if APR_HAVE_STDLIB_H 59 #include <stdlib.h> 60 #endif 61 #if APR_HAVE_SYS_UIO_H 62 #include <sys/uio.h> 63 #endif 64 #if APR_HAVE_SYS_TIME_H 65 #include <sys/time.h> 66 #endif 67 68 #include <fsio.h> 69 70 /* End System headers */ 71 72 #define APR_FILE_BUFSIZE 4096 73 74 #if APR_HAS_LARGE_FILES 75 #define lseek(f,o,w) lseek64(f,o,w) 76 #define ftruncate(f,l) ftruncate64(f,l) 77 #endif 78 79 typedef struct stat struct_stat; 80 81 struct apr_file_t { 82 apr_pool_t *pool; 83 int filedes; 84 char *fname; 85 apr_int32_t flags; 86 int eof_hit; 87 int is_pipe; 88 apr_interval_time_t timeout; 89 int buffered; 90 enum {BLK_UNKNOWN, BLK_OFF, BLK_ON } blocking; 91 int ungetchar; /* Last char provided by an unget op. (-1 = no char)*/ 92 93 /* if there is a timeout set, then this pollset is used */ 94 apr_pollset_t *pollset; 95 96 /* Stuff for buffered mode */ 97 char *buffer; 98 int bufpos; /* Read/Write position in buffer */ 99 apr_off_t dataRead; /* amount of valid data read into buffer */ 100 int direction; /* buffer being used for 0 = read, 1 = write */ 101 apr_off_t filePtr; /* position in file of handle */ 102 #if APR_HAS_THREADS 103 struct apr_thread_mutex_t *thlock; 104 #endif 105 }; 106 107 struct apr_dir_t { 108 apr_pool_t *pool; 109 char *dirname; 110 DIR *dirstruct; 111 struct dirent *entry; 112 }; 113 114 typedef struct apr_stat_entry_t apr_stat_entry_t; 115 116 struct apr_stat_entry_t { 117 struct stat info; 118 char *casedName; 119 apr_time_t expire; 120 NXPathCtx_t pathCtx; 121 }; 122 123 #define MAX_SERVER_NAME 64 124 #define MAX_VOLUME_NAME 64 125 #define MAX_PATH_NAME 256 126 #define MAX_FILE_NAME 256 127 128 #define DRIVE_ONLY 1 129 130 /* If the user passes d: vs. D: (or //mach/share vs. //MACH/SHARE), 131 * we need to fold the case to canonical form. This function is 132 * supposed to do so. 133 */ 134 apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p); 135 136 /* This function check to see of the given path includes a drive/volume 137 * specifier. If the _only_ parameter is set to DRIVE_ONLY then it 138 * check to see of the path only contains a drive/volume specifier and 139 * nothing else. 140 */ 141 apr_status_t filepath_has_drive(const char *rootpath, int only, apr_pool_t *p); 142 143 /* This function compares the drive/volume specifiers for each given path. 144 * It returns zero if they match or non-zero if not. 145 */ 146 apr_status_t filepath_compare_drive(const char *path1, const char *path2, apr_pool_t *p); 147 148 apr_status_t apr_unix_file_cleanup(void *); 149 150 #endif /* ! FILE_IO_H */ 151 152