diff options
Diffstat (limited to 'Src/hist.c')
-rw-r--r-- | Src/hist.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Src/hist.c b/Src/hist.c index 4660fd073..083175640 100644 --- a/Src/hist.c +++ b/Src/hist.c @@ -1110,8 +1110,11 @@ static void putoldhistentryontop(short keep_going) { static Histent next = NULL; - Histent he = keep_going? next : hist_ring->down; - next = he->down; + Histent he = (keep_going || !hist_ring) ? next : hist_ring->down; + if (he) + next = he->down; + else + return; if (isset(HISTEXPIREDUPSFIRST) && !(he->node.flags & HIST_DUP)) { static zlong max_unique_ct = 0; if (!keep_going) @@ -1151,7 +1154,7 @@ prepnexthistent(void) freehistnode(&hist_ring->node); } - if (histlinect < histsiz) { + if (histlinect < histsiz || !hist_ring) { he = (Histent)zshcalloc(sizeof *he); if (!hist_ring) hist_ring = he->up = he->down = he; |