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puzzles: avoid compiler unitialized variable error
The compiler does not realize that we must go through the while()
loop at least once, so we replace it with a for() loop.
Upstream-Status: Pending
Signed-off-by: Joe Slater <joe.slater@windriver.com>
--- a/tree234.c
+++ b/tree234.c
@@ -326,8 +326,11 @@ static void *add234_internal(tree234 *t,
return orig_e;
}
- n = t->root;
- while (n) {
+ /*
+ * We know t->root is not NULL. The logic
+ * to break out of this is at the end of the loop.
+ */
+ for (n = t->root;;) {
LOG((" node %p: %p/%d \"%s\" %p/%d \"%s\" %p/%d \"%s\" %p/%d\n",
n,
n->kids[0], n->counts[0], n->elems[0],
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