2 * UCW Library -- Large File Support
4 * (c) 1999--2002 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
16 #include <sys/types.h>
18 #ifdef CONFIG_UCW_CLEAN_ABI
19 #define careful_read ucw_careful_read
20 #define careful_write ucw_careful_write
21 #define mmap_file ucw_mmap_file
22 #define munmap_file ucw_munmap_file
23 #define sync_dir ucw_sync_dir
26 #ifdef CONFIG_UCW_LARGE_FILES
28 #define ucw_open open64
29 #define ucw_seek lseek64
30 #define ucw_pread pread64
31 #define ucw_pwrite pwrite64
32 #define ucw_ftruncate ftruncate64
33 #define ucw_mmap(a,l,p,f,d,o) mmap64(a,l,p,f,d,o)
34 #define ucw_pread pread64
35 #define ucw_pwrite pwrite64
36 #define ucw_stat stat64
37 #define ucw_fstat fstat64
38 typedef struct stat64 ucw_stat_t;
40 #else /* !CONFIG_UCW_LARGE_FILES */
43 #define ucw_seek(f,o,w) lseek(f,o,w)
44 #define ucw_ftruncate(f,o) ftruncate(f,o)
45 #define ucw_mmap(a,l,p,f,d,o) mmap(a,l,p,f,d,o)
46 #define ucw_pread pread
47 #define ucw_pwrite pwrite
49 #define ucw_fstat fstat
50 typedef struct stat ucw_stat_t;
52 #endif /* !CONFIG_UCW_LARGE_FILES */
54 #if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0)
55 #define ucw_fdatasync fdatasync
57 #define ucw_fdatasync fsync
64 ucw_off_t ucw_file_size(const char *name);
68 void *mmap_file(const char *name, unsigned *len, int writeable);
69 void munmap_file(void *start, unsigned len);
73 int careful_read(int fd, void *buf, int len);
74 int careful_write(int fd, const void *buf, int len);
78 void sync_dir(const char *name);
80 #endif /* !_UCW_IO_H */