Use thread ID for temporary file creation.

[libucw.git] / lib / lfs.h

diff --git a/lib/lfs.h b/lib/lfs.h
index 4be56b71a1e8f937f8c24ca160e9b49243373a8c..3896c0e61d2655d4b1b0224f54a1593ad04495dd 100644 (file)
--- a/lib/lfs.h
+++ b/lib/lfs.h
@@ -1,5 +1,5 @@
 /*
- *     Sherlock Library -- Large File Support
+ *     UCW Library -- Large File Support
  *
  *     (c) 1999--2002 Martin Mares <mj@ucw.cz>
  *
@@ -7,13 +7,13 @@
  *     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
@@ -23,8 +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)
@@ -32,9 +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(byte *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 */