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sh: Optimize setprompt(0).

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Avoid doing work to print an empty prompt (such as when reading scripts).
This commit is contained in:
Jilles Tjoelker 2016-02-21 18:54:17 +00:00
parent 5036353a49
commit c39f3bac71
1 changed files with 2 additions and 0 deletions
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2
bin/sh/parser.c
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@ -1930,6 +1930,8 @@ static void
setprompt(int which)
{
whichprompt = which;
if (which == 0)
return;
#ifndef NO_HISTORY
if (!el)