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81 lines
1.8 KiB
81 lines
1.8 KiB
2 months ago
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/*
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* UCW Library -- Large File Support
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*
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* (c) 1999--2002 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#ifndef _UCW_IO_H
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#define _UCW_IO_H
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef CONFIG_UCW_CLEAN_ABI
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#define careful_read ucw_careful_read
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#define careful_write ucw_careful_write
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#define mmap_file ucw_mmap_file
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#define munmap_file ucw_munmap_file
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#define sync_dir ucw_sync_dir
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#endif
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#ifdef CONFIG_UCW_LARGE_FILES
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#define ucw_open open64
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#define ucw_seek lseek64
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#define ucw_pread pread64
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#define ucw_pwrite pwrite64
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#define ucw_ftruncate ftruncate64
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#define ucw_mmap(a,l,p,f,d,o) mmap64(a,l,p,f,d,o)
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#define ucw_pread pread64
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#define ucw_pwrite pwrite64
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#define ucw_stat stat64
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#define ucw_fstat fstat64
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typedef struct stat64 ucw_stat_t;
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#else /* !CONFIG_UCW_LARGE_FILES */
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#define ucw_open open
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#define ucw_seek(f,o,w) lseek(f,o,w)
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#define ucw_ftruncate(f,o) ftruncate(f,o)
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#define ucw_mmap(a,l,p,f,d,o) mmap(a,l,p,f,d,o)
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#define ucw_pread pread
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#define ucw_pwrite pwrite
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#define ucw_stat stat
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#define ucw_fstat fstat
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typedef struct stat ucw_stat_t;
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#endif /* !CONFIG_UCW_LARGE_FILES */
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#if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0)
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#define ucw_fdatasync fdatasync
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#else
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#define ucw_fdatasync fsync
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#endif
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#define HAVE_PREAD
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/* io-size.c */
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ucw_off_t ucw_file_size(const char *name);
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/* io-mmap.c */
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void *mmap_file(const char *name, size_t *len, int writeable);
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void munmap_file(void *start, size_t len);
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/* io-careful.c */
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int careful_read(int fd, void *buf, size_t len);
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int careful_write(int fd, const void *buf, size_t len);
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/* io-sync.c */
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void sync_dir(const char *name);
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#endif /* !_UCW_IO_H */
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