elfctl: error if -e is specified multiple times

Reported by: jrm MFC after: 3 days Sponsored by: The FreeBSD Foundation
2022-02-14 22:04:29 -05:00 · 2022-02-14 22:04:29 -05:00 · f0cf9b602d
commit f0cf9b602d
parent 05f0b24bfb
1 changed files with 2 additions and 0 deletions
--- a/usr.bin/elfctl/elfctl.c
+++ b/usr.bin/elfctl/elfctl.c
@ -116,6 +116,8 @@ main(int argc, char **argv)
 			lflag = true;
 			break;
 		case 'e':
+			if (features != NULL)
+				errx(1, "-e may be specified only once");
 			features = optarg;
 			editfeatures = true;
 			break;