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Make sure that freeptr actually points to something before we try to

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invoke it.
This commit is contained in:
Robert James Kaes 2001-09-06 21:52:31 +00:00
parent f2312262c7
commit 4670eb5194
1 changed files with 3 additions and 2 deletions
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3
src/ternary.c
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@ -1,4 +1,4 @@
/* $Id: ternary.c,v 1.7 2001-09-04 17:53:41 rjkaes Exp $ /* $Id: ternary.c,v 1.8 2001-09-06 21:52:31 rjkaes Exp $
* *
* This module creates a Ternary Search Tree which can store both string * This module creates a Ternary Search Tree which can store both string
* keys, and arbitrary data for each key. It works similar to a hash, and * keys, and arbitrary data for each key. It works similar to a hash, and
@ -269,6 +269,7 @@ int ternary_destroy(TERNARY tno, void (*freeptr)(void *))
for (j = 0; j < BUFSIZE; j++) { for (j = 0; j < BUFSIZE; j++) {
Tnode *ptr = (trees[cur]->freearr[i] + j); Tnode *ptr = (trees[cur]->freearr[i] + j);
if (ptr->splitchar == 0) if (ptr->splitchar == 0)
if (freeptr)
(*freeptr)(ptr->eqkid); (*freeptr)(ptr->eqkid);
safefree(ptr); safefree(ptr);
} }