file locking: check return value of fcntl ()

2017-02-14 15:15:50 +01:00
parent cdfabe333f
commit c440dec867
5 changed files with 19 additions and 7 deletions
--- a/include/locking.h
+++ b/include/locking.h
@@ -13,7 +13,7 @@
 #include <errno.h>
 #include <fcntl.h>

-int  lock_file   (FILE *fp);
-void unlock_file (FILE *fp);
+int lock_file   (FILE *fp);
+int unlock_file (FILE *fp);

 #endif // _LOCKING_H