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-rw-r--r--lib/sort.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sort.c b/lib/sort.c
index 9615678..6abbaf3 100644
--- a/lib/sort.c
+++ b/lib/sort.c
@@ -67,7 +67,7 @@ void sort(void *base, size_t num, size_t size,
}
/* sort */
- for (i = n - size; i >= 0; i -= size) {
+ for (i = n - size; i > 0; i -= size) {
swap(base, base + i, size);
for (r = 0; r * 2 + size < i; r = c) {
c = r * 2 + size;
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