Compare getopt_long return value against -1, not EOF. Use NULL, not '(int *) 0' as last parameter in getopt_long call.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/join.c b/src/join.c
index d84f62d39..b46275ec5 100644
--- a/src/join.c
+++ b/src/join.c
@@ -773,7 +773,7 @@ main (int argc, char **argv)
   print_pairables = 1;
 
   while ((optc = getopt_long_only (argc, argv, "-a:e:i1:2:o:t:v:", longopts,
-				   (int *) 0)) != EOF)
+				   NULL)) != -1)
     {
       long int val;