diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sort.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -49,15 +49,15 @@ void sort(void *base, size_t num, size_t size, void (*swap)(void *, void *, int size)) { /* pre-scale counters for performance */ - int i = (num/2) * size, n = num * size, c, r; + int i = (num/2 - 1) * size, n = num * size, c, r; if (!swap) swap = (size == 4 ? u32_swap : generic_swap); /* heapify */ for ( ; i >= 0; i -= size) { - for (r = i; r * 2 < n; r = c) { - c = r * 2; + for (r = i; r * 2 + size < n; r = c) { + c = r * 2 + size; if (c < n - size && cmp(base + c, base + c + size) < 0) c += size; if (cmp(base + r, base + c) >= 0) @@ -69,8 +69,8 @@ void sort(void *base, size_t num, size_t size, /* sort */ for (i = n - size; i >= 0; i -= size) { swap(base, base + i, size); - for (r = 0; r * 2 < i; r = c) { - c = r * 2; + for (r = 0; r * 2 + size < i; r = c) { + c = r * 2 + size; if (c < i - size && cmp(base + c, base + c + size) < 0) c += size; if (cmp(base + r, base + c) >= 0) |