(trunk libT) #3973 "JIT verification verifies fresh downloaded torrents" -- win32 portability fix for r11813.

fsync() doesn't exist on Windows. bencode had a private function, tr_fsync(), that is a portability wrapper around fsync() on *nix and _commit() on win32. Make this function package-visible, rather than private, so fdlimit.c can use it too.

libtransmission/bencode.c

@@ -1660,17 +1660,6 @@ tr_mkstemp( char * template )
 #endif
 }
 
-/* portability wrapper for fsync(). */
-static void
-tr_fsync( int fd )
-{
-#ifdef WIN32
-    _commit( fd );
-#else
-    fsync( fd );
-#endif
-}
-
 int
 tr_bencToFile( const tr_benc * top, tr_fmt_mode mode, const char * filename )
 {

libtransmission/fdlimit.c

@@ -180,6 +180,19 @@ preallocate_file_full( const char * filename, uint64_t length )
     return success;
 }
 
+
+/* portability wrapper for fsync(). */
+int
+tr_fsync( int fd )
+{
+#ifdef WIN32
+    return _commit( fd );
+#else
+    return fsync( fd );
+#endif
+}
+
+
 /* Like pread and pwrite, except that the position is undefined afterwards.
    And of course they are not thread-safe. */
 
@@ -295,7 +308,7 @@ tr_close_file( int fd )
      * but it couldn't hurt... */
     fcntl( fd, F_NOCACHE, 1 );
 #endif
-    fsync( fd );
+    tr_fsync( fd );
     close( fd );
 }
 

libtransmission/fdlimit.h

@@ -40,6 +40,8 @@ int tr_open_file_for_writing( const char * filename );
 
 void tr_close_file( int fd );
 
+int tr_fsync(int fd);
+
 ssize_t tr_pread(int fd, void *buf, size_t count, off_t offset);
 ssize_t tr_pwrite(int fd, const void *buf, size_t count, off_t offset);
 int tr_prefetch(int fd, off_t offset, size_t count);