Fix wrong memset in new args handling function.

* args.c (args_cat_zap_from): Clear the area that was
copied, starting at the index offset, rather than
from argument zero. This bug could result in spurious
retention due to failing to zap some arguments.

1 files changed, 1 insertions, 1 deletions

diff --git a/args.c b/args.c
index 9377d357..b2159b38 100644
--- a/args.c
+++ b/args.c
@@ -103,7 +103,7 @@ struct args *args_cat_zap_from(struct args *to, struct args *from, cnum index)
   to->list = from->list;
   memcpy(to->arg + to->fill, from->arg + index, size);
   to->fill += from->fill - index;
-  memset(from->arg, 0, size);
+  memset(from->arg + index, 0, size);
   return to;
 }