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handle possible NULL pointer returned from bufferwords() (15717)

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Sven Wischnowsky 2001-08-28 08:41:51 +00:00
parent 7806ece931
commit c0ea4d62c8
4 changed files with 16 additions and 10 deletions
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6
Src/Modules/parameter.c
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@ -1105,9 +1105,9 @@ histwgetfn(Param pm)
int i = addhistnum(curhist, -1, HIST_FOREIGN), iw;
Histent he = gethistent(i, GETHIST_UPWARD);
ll = bufferwords(NULL, NULL, NULL);
for (n = firstnode(ll); n; incnode(n))
pushnode(l, getdata(n));
if ((ll = bufferwords(NULL, NULL, NULL)))
for (n = firstnode(ll); n; incnode(n))
pushnode(l, getdata(n));
while (he) {
for (iw = he->nwords - 1; iw >= 0; iw--) {