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libDtSearch: Coverity 86602

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This commit is contained in:
Peter Howkins 2018-07-02 23:23:44 +01:00
parent 96c6c5068a
commit 7ecbdc866c
1 changed files with 5 additions and 2 deletions
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7
cde/lib/DtSearch/msgutil.c
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@ -237,9 +237,12 @@ LLIST *cutnode_llist (LLIST * node, LLIST ** llistp)
*/ */
static LLIST *split_llist (LLIST * lst) static LLIST *split_llist (LLIST * lst)
{ {
LLIST *tail = lst->link; LLIST *tail;
if (lst == NULL || tail == NULL) if (lst == NULL || lst->link)
return lst; return lst;
tail = lst->link;
/* advance 'tail' to end of list, and advance 'lst' only half as often */ /* advance 'tail' to end of list, and advance 'lst' only half as often */
while ((tail != NULL) && ((tail = tail->link) != NULL)) { while ((tail != NULL) && ((tail = tail->link) != NULL)) {
lst = lst->link; lst = lst->link;