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history_def_enter: fix off-by-one mistake in delete condition (the behaviour 

to keep at least one entry on the history list is retained)
This fixes lib/9704 by Phil Nelson.
This commit is contained in:
jdolecek 2001-09-29 17:52:10 +00:00
parent 4bf4fb5731
commit e7e71e37c6
1 changed files with 3 additions and 3 deletions
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6
lib/libedit/history.c
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@ -1,4 +1,4 @@
/* $NetBSD: history.c,v 1.17 2001/03/20 00:08:31 christos Exp $ */
/* $NetBSD: history.c,v 1.18 2001/09/29 17:52:10 jdolecek Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -41,7 +41,7 @@
#if 0
static char sccsid[] = "@(#)history.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: history.c,v 1.17 2001/03/20 00:08:31 christos Exp $");
__RCSID("$NetBSD: history.c,v 1.18 2001/09/29 17:52:10 jdolecek Exp $");
#endif
#endif /* not lint && not SCCSID */
@ -410,7 +410,7 @@ history_def_enter(ptr_t p, HistEvent *ev, const char *str)
* Always keep at least one entry.
* This way we don't have to check for the empty list.
*/
while (h->cur - 1 > h->max)
while (h->cur > h->max && h->cur > 0)
history_def_delete(h, ev, h->list.prev);
return (0);