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components/ksh93/patches/17851169.patch
author Lijo George<lijo.x.george@oracle.com>
Thu, 26 May 2016 22:52:21 -0700
branchs11u3-sru
changeset 6073 99c2bf34d78a
parent 2992 d9071f35b6d4
permissions -rw-r--r--
PSARC/2014/162 ksh93 update to 2012-08-01 16169978 ksh93 memory corruption with redirection 16507675 external command in double-nested here-document hangs ksh93 17533968 ksh93 uprev to latest community version 18119738 ksh93 crashes in sfio area 18302723 ksh93 segv in sh_setmatch 18426052 SPARC /usr/bin/ksh is not an XPG6 executable 18920300 remove pkglint Warnings in ksh93 build
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#	This has been submitted to the community but has not been accepted yet.
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#	The details can be found at the following location.
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#	http://lists.research.att.com/pipermail/ast-developers/2014q1/003809.html
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--- INIT.2012-08-01.old/src/cmd/ksh93/sh/subshell.c	2015-02-24 13:25:19.363479570 -0800
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+++ INIT.2012-08-01/src/cmd/ksh93/sh/subshell.c	2015-03-05 13:02:10.389323525 -0800
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@@ -242,15 +244,22 @@ Namval_t *sh_assignok(register Namval_t
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 {
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 	register Namval_t	*mp;
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 	register struct Link	*lp;
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-	register struct subshell *sp = (struct subshell*)subshell_data;
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-	Shell_t			*shp = sp->shp;
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-	Dt_t			*dp= shp->var_tree;
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+	register struct subshell *sp;
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+	Shell_t			*shp;
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+	Dt_t			*dp;
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 	Namval_t		*mpnext;
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 	Namarr_t		*ap;
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 	int			save;
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+
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+	sp = (struct subshell*)subshell_data;
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+
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 	/* don't bother with this */
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-	if(!sp->shpwd || np==SH_LEVELNOD || np==L_ARGNOD || np==SH_SUBSCRNOD || np==SH_NAMENOD)
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+	if(!sp || !sp->shpwd || np==SH_LEVELNOD || np==L_ARGNOD || np==SH_SUBSCRNOD || np==SH_NAMENOD)
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 		return(np);
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+
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+	shp = sp->shp;
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+	dp = shp->var_tree;
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+
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 	/* don't bother to save if in newer scope */
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 	if(sp->var!=shp->var_tree && sp->var!=shp->var_base && shp->last_root==shp->var_tree)
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 		return(np);
upstream/oracle/userland-gate