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) 2000-2003 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,
37 #define BF_READ 1 /* BackupRead */
38 #define BF_WRITE 2 /* BackupWrite */
42 /* Basic low level I/O file packet */
43 typedef struct s_bfile {
44 int use_win_api; /* set if using WinAPI */
45 int use_backup_api; /* set if using BackupRead/Write */
46 int mode; /* set if file is open */
47 HANDLE fh; /* Win32 file handle */
48 int fid; /* fd if doing Unix style */
49 LPVOID lpContext; /* BackupRead/Write context */
50 POOLMEM *errmsg; /* error message buffer */
51 DWORD rw_bytes; /* Bytes read or written */
52 DWORD lerror; /* Last error code */
55 HANDLE bget_handle(BFILE *bfd);
57 #else /* Linux/Unix systems */
59 /* Basic low level I/O file packet */
60 typedef struct s_bfile {
61 int fid; /* file id on Unix */
67 void binit(BFILE *bfd);
68 int is_bopen(BFILE *bfd);
69 int is_win32_data(BFILE *bfd);
70 char *berror(BFILE *bfd);
71 int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode);
72 int bclose(BFILE *bfd);
73 ssize_t bread(BFILE *bfd, void *buf, size_t count);
74 ssize_t bwrite(BFILE *bfd, void *buf, size_t count);
75 off_t blseek(BFILE *bfd, off_t offset, int whence);
77 #endif /* __BFILE_H */