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Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/include/arch/win32/apr_arch_file_io.h')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/include/arch/win32/apr_arch_file_io.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/include/arch/win32/apr_arch_file_io.h b/rubbos/app/httpd-2.0.64/srclib/apr/include/arch/win32/apr_arch_file_io.h new file mode 100644 index 00000000..dc3f442a --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/include/arch/win32/apr_arch_file_io.h @@ -0,0 +1,276 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef FILE_IO_H +#define FILE_IO_H + +#include "apr.h" +#include "apr_private.h" +#include "apr_pools.h" +#include "apr_general.h" +#include "apr_tables.h" +#include "apr_thread_mutex.h" +#include "apr_file_io.h" +#include "apr_file_info.h" +#include "apr_errno.h" +#include "apr_arch_misc.h" + +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#if APR_HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_TIME_H +#include <time.h> +#endif +#if APR_HAVE_DIRENT_H +#include <dirent.h> +#endif +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif + +#if APR_HAS_UNICODE_FS +#include "arch/win32/apr_arch_utf8.h" +#include <wchar.h> + +/* Helper functions for the WinNT ApiW() functions. APR treats all + * resource identifiers (files, etc) by their UTF-8 name, to provide + * access to all named identifiers. [UTF-8 completely maps Unicode + * into char type strings.] + * + * The _path flavors below provide us fast mappings of the + * Unicode filename //?/D:/path and //?/UNC/mach/share/path mappings, + * which allow unlimited (well, 32000 wide character) length names. + * These prefixes may appear in Unicode, but must not appear in the + * Ascii API calls. So we tack them on in utf8_to_unicode_path, and + * strip them right back off in unicode_to_utf8_path. + */ +apr_status_t utf8_to_unicode_path(apr_wchar_t* dststr, apr_size_t dstchars, + const char* srcstr); +apr_status_t unicode_to_utf8_path(char* dststr, apr_size_t dstchars, + const apr_wchar_t* srcstr); + +#endif /* APR_HAS_UNICODE_FS */ + +/* Another Helper functions for the WinNT ApiW() functions. We need to + * derive some 'resource' names (max length 255 characters, prefixed with + * Global/ or Local/ on WinNT) from something that looks like a filename. + * Since 'resource' names never contain slashes, convert these to '_'s + * and return the appropriate char* or wchar* for ApiA or ApiW calls. + */ + +void *res_name_from_filename(const char *file, int global, apr_pool_t *pool); + +#define APR_FILE_MAX MAX_PATH + +#define APR_FILE_BUFSIZE 4096 + +/* obscure ommissions from msvc's sys/stat.h */ +#ifdef _MSC_VER +#define S_IFIFO _S_IFIFO /* pipe */ +#define S_IFBLK 0060000 /* Block Special */ +#define S_IFLNK 0120000 /* Symbolic Link */ +#define S_IFSOCK 0140000 /* Socket */ +#define S_IFWHT 0160000 /* Whiteout */ +#endif + +/* Internal Flags for apr_file_open */ +#define APR_OPENINFO 0x00100000 /* Open without READ or WRITE access */ +#define APR_OPENLINK 0x00200000 /* Open a link itself, if supported */ +#define APR_READCONTROL 0x00400000 /* Read the file's owner/perms */ +#define APR_WRITECONTROL 0x00800000 /* Modifythe file's owner/perms */ +#define APR_WRITEATTRS 0x01000000 /* Modify the file's attributes */ +#define APR_STDIN_FLAG 0x02000000 /* Obtained via apr_file_open_stdin() */ +#define APR_STDOUT_FLAG 0x04000000 /* Obtained via apr_file_open_stdout() */ +#define APR_STDERR_FLAG 0x06000000 /* Obtained via apr_file_open_stderr() */ +#define APR_STD_FLAGS (APR_STDIN_FLAG | APR_STDOUT_FLAG | APR_STDERR_FLAG) + +/* Entries missing from the MSVC 5.0 Win32 SDK: + */ +#ifndef FILE_ATTRIBUTE_DEVICE +#define FILE_ATTRIBUTE_DEVICE 0x00000040 +#endif +#ifndef FILE_ATTRIBUTE_REPARSE_POINT +#define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400 +#endif +#ifndef FILE_FLAG_OPEN_NO_RECALL +#define FILE_FLAG_OPEN_NO_RECALL 0x00100000 +#endif +#ifndef FILE_FLAG_OPEN_REPARSE_POINT +#define FILE_FLAG_OPEN_REPARSE_POINT 0x00200000 +#endif +#ifndef TRUSTEE_IS_WELL_KNOWN_GROUP +#define TRUSTEE_IS_WELL_KNOWN_GROUP 5 +#endif + +/* Information bits available from the WIN32 FindFirstFile function */ +#define APR_FINFO_WIN32_DIR (APR_FINFO_NAME | APR_FINFO_TYPE \ + | APR_FINFO_CTIME | APR_FINFO_ATIME \ + | APR_FINFO_MTIME | APR_FINFO_SIZE) + +/* Sneak the Readonly bit through finfo->protection for internal use _only_ */ +#define APR_FREADONLY 0x10000000 + +/* Private function for apr_stat/lstat/getfileinfo/dir_read */ +int fillin_fileinfo(apr_finfo_t *finfo, WIN32_FILE_ATTRIBUTE_DATA *wininfo, + int byhandle, apr_int32_t wanted); + +/* Private function that extends apr_stat/lstat/getfileinfo/dir_read */ +apr_status_t more_finfo(apr_finfo_t *finfo, const void *ufile, + apr_int32_t wanted, int whatfile); + +/* whatfile types for the ufile arg */ +#define MORE_OF_HANDLE 0 +#define MORE_OF_FSPEC 1 +#define MORE_OF_WFSPEC 2 + +/* quick run-down of fields in windows' apr_file_t structure that may have + * obvious uses. + * fname -- the filename as passed to the open call. + * dwFileAttricutes -- Attributes used to open the file. + * append -- Windows doesn't support the append concept when opening files. + * APR needs to keep track of this, and always make sure we append + * correctly when writing to a file with this flag set TRUE. + */ + +// for apr_poll.c; +#define filedes filehand + +struct apr_file_t { + apr_pool_t *pool; + HANDLE filehand; + BOOLEAN pipe; // Is this a pipe of a file? + OVERLAPPED *pOverlapped; + apr_interval_time_t timeout; + apr_int32_t flags; + + /* File specific info */ + apr_finfo_t *finfo; + char *fname; + DWORD dwFileAttributes; + int eof_hit; + BOOLEAN buffered; // Use buffered I/O? + int ungetchar; // Last char provided by an unget op. (-1 = no char) + int append; + + /* Stuff for buffered mode */ + char *buffer; + apr_size_t bufpos; // Read/Write position in buffer + apr_size_t dataRead; // amount of valid data read into buffer + int direction; // buffer being used for 0 = read, 1 = write + apr_off_t filePtr; // position in file of handle + apr_thread_mutex_t *mutex; // mutex semaphore, must be owned to access the above fields + + /* Pipe specific info */ +}; + +struct apr_dir_t { + apr_pool_t *pool; + HANDLE dirhand; + apr_size_t rootlen; + char *dirname; + char *name; + union { +#if APR_HAS_UNICODE_FS + struct { + WIN32_FIND_DATAW *entry; + } w; +#endif +#if APR_HAS_ANSI_FS + struct { + WIN32_FIND_DATAA *entry; + } n; +#endif + }; + int bof; +}; + +/* There are many goofy characters the filesystem can't accept + * or can confound the cmd.exe shell. Here's the list + * [declared in filesys.c] + */ +extern const char apr_c_is_fnchar[256]; + +#define IS_FNCHAR(c) (apr_c_is_fnchar[(unsigned char)(c)] & 1) +#define IS_SHCHAR(c) ((apr_c_is_fnchar[(unsigned char)(c)] & 2) == 2) + + +/* If the user passes APR_FILEPATH_TRUENAME to either + * apr_filepath_root or apr_filepath_merge, this fn determines + * that the root really exists. It's expensive, wouldn't want + * to do this too frequenly. + */ +apr_status_t filepath_root_test(char *path, apr_pool_t *p); + + +/* The apr_filepath_merge wants to canonicalize the cwd to the + * addpath if the user passes NULL as the old root path (this + * isn't true of an empty string "", which won't be concatenated. + * + * But we need to figure out what the cwd of a given volume is, + * when the user passes D:foo. This fn will determine D:'s cwd. + * + * If flags includes the bit APR_FILEPATH_NATIVE, the path returned + * is in the os-native format. + */ +apr_status_t filepath_drive_get(char **rootpath, char drive, + apr_int32_t flags, apr_pool_t *p); + + +/* If the user passes d: vs. D: (or //mach/share vs. //MACH/SHARE), + * we need to fold the case to canonical form. This function is + * supposed to do so. + */ +apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p); + + +apr_status_t file_cleanup(void *); + +/** + * Internal function to create a Win32/NT pipe that respects some async + * timeout options. + * @param in new read end of the created pipe + * @param out new write end of the created pipe + * @param blocking_mode one of + * <pre> + * APR_FULL_BLOCK + * APR_READ_BLOCK + * APR_WRITE_BLOCK + * APR_FULL_NONBLOCK + * </pre> + * @remark It so happens that APR_FULL_BLOCK and APR_FULL_NONBLOCK + * are common to apr_procattr_io_set() in, out and err modes. + * Because APR_CHILD_BLOCK and APR_WRITE_BLOCK share the same value, + * as do APR_PARENT_BLOCK and APR_READ_BLOCK, it's possible to use + * that value directly for creating the stdout/stderr pipes. When + * creating the stdin pipe, the values must be transposed. + * @see apr_procattr_io_set + */ +apr_status_t apr_create_nt_pipe(apr_file_t **in, apr_file_t **out, + apr_int32_t blocking_mode, + apr_pool_t *p); + +/** @see apr_create_nt_pipe */ +#define APR_READ_BLOCK 3 +/** @see apr_create_nt_pipe */ +#define APR_WRITE_BLOCK 4 + +#endif /* ! FILE_IO_H */ |