2 * Bacula low level File I/O routines. This routine simulates
3 * open(), read(), write(), and close(), but using native routines.
4 * I.e. on Windows, we use Windows APIs.
6 * Kern Sibbald May MMIII
9 Copyright (C) 2000-2004 Kern Sibbald and John Walker
11 This program is free software; you can redistribute it and/or
12 modify it under the terms of the GNU General Public License as
13 published by the Free Software Foundation; either version 2 of
14 the License, or (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public
22 License along with this program; if not, write to the Free
23 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
31 /* =======================================================
35 * =======================================================
37 #if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
44 BF_READ, /* BackupRead */
45 BF_WRITE /* BackupWrite */
50 /* Basic low level I/O file packet */
52 int use_backup_api; /* set if using BackupRead/Write */
53 int mode; /* set if file is open */
54 HANDLE fh; /* Win32 file handle */
55 int fid; /* fd if doing Unix style */
56 LPVOID lpContext; /* BackupRead/Write context */
57 POOLMEM *errmsg; /* error message buffer */
58 DWORD rw_bytes; /* Bytes read or written */
59 DWORD lerror; /* Last error code */
62 HANDLE bget_handle(BFILE *bfd);
64 #else /* Linux/Unix systems */
66 /* =======================================================
70 * =======================================================
73 /* Basic low level I/O file packet */
75 int fid; /* file id on Unix */
81 void binit(BFILE *bfd);
82 int is_bopen(BFILE *bfd);
83 int set_win32_backup(BFILE *bfd);
84 int set_portable_backup(BFILE *bfd);
86 int is_portable_backup(BFILE *bfd);
87 int is_stream_supported(int stream);
88 int is_win32_stream(int stream);
89 char *berror(BFILE *bfd);
90 int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode);
91 int bclose(BFILE *bfd);
92 ssize_t bread(BFILE *bfd, void *buf, size_t count);
93 ssize_t bwrite(BFILE *bfd, void *buf, size_t count);
94 off_t blseek(BFILE *bfd, off_t offset, int whence);
95 const char *stream_to_ascii(int stream);
97 #endif /* __BFILE_H */