Author: imp
Date: Sun Sep 24 05:03:57 2017
New Revision: 323963
URL: https://svnweb.freebsd.org/changeset/base/323963
Log:
Fix uninitialized variable
echo | awk 'BEGIN {i=$1; print i}' prints a boatload of stack
garbage. NUL terminate the memory returned from malloc to prevent it.
Obtained from: OpenBSD run.c 1.40
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D12379
Modified:
head/contrib/one-true-awk/lib.c
Modified: head/contrib/one-true-awk/lib.c
==============================================================================
--- head/contrib/one-true-awk/lib.c Sun Sep 24 03:33:26 2017
(r323962)
+++ head/contrib/one-true-awk/lib.c Sun Sep 24 05:03:57 2017
(r323963)
@@ -62,6 +62,7 @@ void recinit(unsigned int n)
|| (fldtab = (Cell **) malloc((nfields+1) * sizeof(Cell *))) == NULL
|| (fldtab[0] = (Cell *) malloc(sizeof(Cell))) == NULL )
FATAL("out of space for $0 and fields");
+ *record = '\0';
*fldtab[0] = dollar0;
fldtab[0]->sval = record;
fldtab[0]->nval = tostring("0");
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