Module Name: src
Committed By: christos
Date: Mon Feb 11 00:32:08 UTC 2013
Modified Files:
src/external/historical/nawk/dist: tran.c
Log Message:
PR/47553: Aleksev Cheusov: awk segfault: NULL dereference.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/external/historical/nawk/dist/tran.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/historical/nawk/dist/tran.c
diff -u src/external/historical/nawk/dist/tran.c:1.7 src/external/historical/nawk/dist/tran.c:1.8
--- src/external/historical/nawk/dist/tran.c:1.7 Fri Dec 28 21:44:26 2012
+++ src/external/historical/nawk/dist/tran.c Sun Feb 10 19:32:07 2013
@@ -358,7 +358,7 @@ char *setsval(Cell *vp, const char *s) /
donefld = 0; /* mark $1... invalid */
donerec = 1;
}
- t = tostring(s); /* in case it's self-assign */
+ t = s ? tostring(s) : tostring(""); /* in case it's self-assign */
if (freeable(vp))
xfree(vp->sval);
vp->tval &= ~NUM;
