diff options
Diffstat (limited to 'src/stdlib/qsort.c')
| -rw-r--r-- | src/stdlib/qsort.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/stdlib/qsort.c b/src/stdlib/qsort.c index 5d30cb3b..281e2d0d 100644 --- a/src/stdlib/qsort.c +++ b/src/stdlib/qsort.c @@ -32,14 +32,19 @@ static void __qsort(char *base, size_t size, size_t lo, size_t hi, int (*compar) } __swap(base, size, i, hi); - __qsort(base, size, lo, i - 1, compar); - __qsort(base, size, i + 1, hi, compar); + if (i > lo) { + __qsort(base, size, lo, i - 1, compar); + __qsort(base, size, i + 1, hi, compar); + } } void qsort(void * base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) { SIGNAL_SAFE(0); ASSERT_NONNULL(base); + if (nmemb == 0) { + return; + } __qsort(base, size, 0, nmemb - 1, compar); } |