X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Flfs.h;h=ede41268691578370d490c229013ac6adc3cd250;hb=ec085c955731db594926666e9bc6bdbbc1f5be9e;hp=8fc048948875d13786956de0ed2f00b82444626f;hpb=9b7bcb61c997ed15e14423f3e05b4e05d4af52b2;p=libucw.git

diff --git a/lib/lfs.h b/lib/lfs.h
index 8fc04894..ede41268 100644
--- a/lib/lfs.h
+++ b/lib/lfs.h
@@ -1,16 +1,19 @@
 /*
- *	Sherlock Library -- Large File Support
+ *	UCW Library -- Large File Support
  *
  *	(c) 1999--2002 Martin Mares <mj@ucw.cz>
+ *
+ *	This software may be freely distributed and used according to the terms
+ *	of the GNU Lesser General Public License.
  */
 
-#ifndef _SHERLOCK_LFS_H
-#define _SHERLOCK_LFS_H
+#ifndef _UCW_LFS_H
+#define _UCW_LFS_H
 
 #include <fcntl.h>
 #include <unistd.h>
 
-#ifdef SHERLOCK_CONFIG_LFS
+#ifdef CONFIG_LFS
 
 #define sh_open open64
 #define sh_seek lseek64
@@ -20,8 +23,11 @@
 #define sh_mmap(a,l,p,f,d,o) mmap64(a,l,p,f,d,o)
 #define sh_pread pread64
 #define sh_pwrite pwrite64
+#define sh_stat stat64
+#define sh_fstat fstat64
+typedef struct stat64 sh_stat_t;
 
-#else	/* !SHERLOCK_CONFIG_LFS */
+#else	/* !CONFIG_LFS */
 
 #define sh_open open
 #define sh_seek(f,o,w) lseek(f,o,w)
@@ -29,9 +35,29 @@
 #define sh_mmap(a,l,p,f,d,o) mmap(a,l,p,f,d,o)
 #define sh_pread pread
 #define sh_pwrite pwrite
-
-#endif	/* !SHERLOCK_CONFIG_LFS */
-
-#define SHERLOCK_HAVE_PREAD
-
-#endif	/* !_SHERLOCK_LFS_H */
+#define sh_stat stat
+#define sh_fstat fstat
+typedef struct stat sh_stat_t;
+
+#endif	/* !CONFIG_LFS */
+
+#if defined(_POSIX_SYNCHRONIZED_IO) && (_POSIX_SYNCHRONIZED_IO > 0)
+#define sh_fdatasync fdatasync
+#else
+#define sh_fdatasync fsync
+#endif
+
+#define HAVE_PREAD
+
+static inline sh_off_t
+sh_file_size(const char *name)
+{
+  int fd = sh_open(name, O_RDONLY);
+  if (fd < 0)
+    die("Cannot open %s: %m", name);
+  sh_off_t len = sh_seek(fd, 0, SEEK_END);
+  close(fd);
+  return len;
+}
+
+#endif	/* !_UCW_LFS_H */