sbase

suckless unix tools
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commit b08660e1fd6935c2b79528fe3c776660474d77c6
parent a02d66b8fc651979b7f905f78722a6192896eb90
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu Dec 31 19:35:26 +0000

ed: Fix infinite recursion to undo()

Diffstat:
ed.c | 4+++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ed.c b/ed.c @@ -282,7 +282,7 @@ undo(void) struct link *p; if (udata.nr == 0) - error("nothing to undo"); + return; for (p = &udata.vec[udata.nr-1]; udata.nr--; --p) { zero[p->from1].next = p->to1; zero[p->from2].prev = p->to2; @@ -1101,6 +1101,8 @@ repeat: if (nlines > 0) goto bad_address; chkprint(1); + if (udata.nr == 0) + error("nothing to undo"); undo(); break; case 's':