bore

commit f83933a7435cfb76504a14906ea546a4cd91ec3b
parent ecbf0677cc0f078b6f3ba23435aa60a8fce5c7f9
Author: phoebos <ben@bvnf.space>
Date:   Tue, 12 Oct 2021 21:56:38 +0100

ls: don't allow contradictory flags (used final option specified)

Diffstat:
M
ls.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/ls.c b/ls.c
@@ -270,6 +270,7 @@ main(int argc, char **argv) {
                 break;
             case 'c':
                 flags |= FLAG_c;
+                flags &= ~FLAG_u;
                 break;
             case 'h':
                 printf("usage: %s [-1AFacilmpuq]\n", argv[0]);
@@ -279,15 +280,18 @@ main(int argc, char **argv) {
                 break;
             case 'l':
                 flags |= FLAG_l | FLAG_1;
+                flags &= ~FLAG_m;
                 break;
             case 'm':
                 flags |= FLAG_m;
+                flags &= ~(FLAG_1 | FLAG_l);
                 break;
             case 'p':
                 flags |= FLAG_p;
                 break;
             case 'u':
                 flags |= FLAG_u;
+                flags &= ~FLAG_c;
                 break;
             case 'q':
                 flags |= FLAG_q;