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make ${var@x} with unknown x fail; spotted by izabera, thanks

This commit is contained in:
tg 2017-02-17 20:52:15 +00:00
parent 0cdc87055f
commit 21f70afb26
1 changed files with 12 additions and 4 deletions
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16
eval.c
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@ -2,7 +2,7 @@
/*-
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
* 2011, 2012, 2013, 2014, 2015, 2016
* 2011, 2012, 2013, 2014, 2015, 2016, 2017
* mirabilos <m@mirbsd.org>
*
* Provided that these terms and disclaimer and all copyright notices
@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.194 2016/11/11 23:31:34 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.195 2017/02/17 20:52:15 tg Exp $");
/*
* string expansion
@ -1207,8 +1207,16 @@ varsub(Expand *xp, const char *sp, const char *word,
}
} else if (c == '@') {
/* @x where x is command char */
slen += 2;
stype |= 0x100;
switch (c = word[slen + 2] == CHAR ? word[slen + 3] : 0) {
case '#':
case '/':
case 'Q':
break;
default:
return (-1);
}
stype |= 0x100 | c;
slen += 4;
if (word[slen] == CHAR) {
stype |= word[slen + 1];
slen += 2;