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make tdestroy allow null function pointer if no destructor is needed

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this change is to align with a change in the glibc interface.
This commit is contained in:
Rich Felker 2013-08-02 21:20:33 -04:00
commit d3a98ff69a
1 changed files with 1 additions and 1 deletions
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src/search/tdestroy.c
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@ -16,6 +16,6 @@ void tdestroy(void *root, void (*freekey)(void *))
return; return;
tdestroy(r->left, freekey); tdestroy(r->left, freekey);
tdestroy(r->right, freekey); tdestroy(r->right, freekey);
freekey(r->key); if (freekey) freekey(r->key);
free(r); free(r);
} }