X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=ucw%2Fio.h;h=ac8c7ec67df834670e0f32293d564b3cbe5a3b26;hb=0eb6d8317cdbdb28663ff779d31684b3c7a47274;hp=593dcf7d727c196e8587ae7162263061fd610d9a;hpb=315d65b74168b23e820b9dde6166ec19bd048228;p=libucw.git

diff --git a/ucw/io.h b/ucw/io.h
index 593dcf7d..ac8c7ec6 100644
--- a/ucw/io.h
+++ b/ucw/io.h
@@ -7,13 +7,23 @@
  *	of the GNU Lesser General Public License.
  */
 
-#ifndef _UCW_LFS_H
-#define _UCW_LFS_H
+#ifndef _UCW_IO_H
+#define _UCW_IO_H
 
 #include <fcntl.h>
 #include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 
-#ifdef CONFIG_LFS
+#ifdef CONFIG_UCW_CLEAN_ABI
+#define careful_read ucw_careful_read
+#define careful_write ucw_careful_write
+#define mmap_file ucw_mmap_file
+#define munmap_file ucw_munmap_file
+#define sync_dir ucw_sync_dir
+#endif
+
+#ifdef CONFIG_UCW_LARGE_FILES
 
 #define ucw_open open64
 #define ucw_seek lseek64
@@ -27,7 +37,7 @@
 #define ucw_fstat fstat64
 typedef struct stat64 ucw_stat_t;
 
-#else	/* !CONFIG_LFS */
+#else	/* !CONFIG_UCW_LARGE_FILES */
 
 #define ucw_open open
 #define ucw_seek(f,o,w) lseek(f,o,w)
@@ -39,7 +49,7 @@ typedef struct stat64 ucw_stat_t;
 #define ucw_fstat fstat
 typedef struct stat ucw_stat_t;
 
-#endif	/* !CONFIG_LFS */
+#endif	/* !CONFIG_UCW_LARGE_FILES */
 
 #if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0)
 #define ucw_fdatasync fdatasync
@@ -49,15 +59,22 @@ typedef struct stat ucw_stat_t;
 
 #define HAVE_PREAD
 
-static inline ucw_off_t
-ucw_file_size(const char *name)
-{
-  int fd = ucw_open(name, O_RDONLY);
-  if (fd < 0)
-    die("Cannot open %s: %m", name);
-  ucw_off_t len = ucw_seek(fd, 0, SEEK_END);
-  close(fd);
-  return len;
-}
-
-#endif	/* !_UCW_LFS_H */
+/* io-size.c */
+
+ucw_off_t ucw_file_size(const char *name);
+
+/* io-mmap.c */
+
+void *mmap_file(const char *name, size_t *len, int writeable);
+void munmap_file(void *start, size_t len);
+
+/* io-careful.c */
+
+int careful_read(int fd, void *buf, size_t len);
+int careful_write(int fd, const void *buf, size_t len);
+
+/* io-sync.c */
+
+void sync_dir(const char *name);
+
+#endif	/* !_UCW_IO_H */