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Import NetBSD readline.c,v 1.104: do not crash with add_history(NULL).

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MFC after:	3 days
Approved by:	re (gjb)
This commit is contained in:
Xin LI 2013-09-26 17:54:58 +00:00
parent 6a77884d08
commit 7a087fd50a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=255891
1 changed files with 3 additions and 0 deletions
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lib/libedit/readline.c
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@ -1363,6 +1363,9 @@ add_history(const char *line)
TYPE(HistEvent) ev;
const Char *wline;
if (line == NULL)
return 0;
if (h == NULL || e == NULL)
rl_initialize();