use EXIT_SUCCESS and EXIT_FAILURE for exit status; close #1142

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index b8c1cf286..a494a2cde 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -115,7 +115,7 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
       case '-':
         if (strcmp((*argv) + 2, "version") == 0) {
           mrb_show_version(mrb);
-          exit(0);
+          exit(EXIT_SUCCESS);
         }
         else if (strcmp((*argv) + 2, "verbose") == 0) {
           args->verbose = 1;
@@ -123,7 +123,7 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
         }
         else if (strcmp((*argv) + 2, "copyright") == 0) {
           mrb_show_copyright(mrb);
-          exit(0);
+          exit(EXIT_SUCCESS);
         }
         result = -3;
         goto exit;