diff options
Diffstat (limited to 'lib/libc/stdlib/qsort.c')
| -rw-r--r-- | lib/libc/stdlib/qsort.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/lib/libc/stdlib/qsort.c b/lib/libc/stdlib/qsort.c index e0b06494cf98..400124593d07 100644 --- a/lib/libc/stdlib/qsort.c +++ b/lib/libc/stdlib/qsort.c @@ -106,13 +106,11 @@ local_qsort(void *a, size_t n, size_t es, cmp_t *cmp, void *thunk) char *pa, *pb, *pc, *pd, *pl, *pm, *pn; size_t d1, d2; int cmp_result; - int swap_cnt; /* if there are less than 2 elements, then sorting is not needed */ if (__predict_false(n < 2)) return; loop: - swap_cnt = 0; if (n < 7) { for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) for (pl = pm; @@ -141,7 +139,6 @@ loop: for (;;) { while (pb <= pc && (cmp_result = CMP(thunk, pb, a)) <= 0) { if (cmp_result == 0) { - swap_cnt = 1; swapfunc(pa, pb, es); pa += es; } @@ -149,7 +146,6 @@ loop: } while (pb <= pc && (cmp_result = CMP(thunk, pc, a)) >= 0) { if (cmp_result == 0) { - swap_cnt = 1; swapfunc(pc, pd, es); pd -= es; } @@ -158,18 +154,9 @@ loop: if (pb > pc) break; swapfunc(pb, pc, es); - swap_cnt = 1; pb += es; pc -= es; } - if (swap_cnt == 0) { /* Switch to insertion sort */ - for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) - for (pl = pm; - pl > (char *)a && CMP(thunk, pl - es, pl) > 0; - pl -= es) - swapfunc(pl, pl - es, es); - return; - } pn = (char *)a + n * es; d1 = MIN(pa - (char *)a, pb - pa); |