diff options
Diffstat (limited to 'lib/libc/stdlib/qsort.3')
| -rw-r--r-- | lib/libc/stdlib/qsort.3 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libc/stdlib/qsort.3 b/lib/libc/stdlib/qsort.3 index a23301f..a734da2 100644 --- a/lib/libc/stdlib/qsort.3 +++ b/lib/libc/stdlib/qsort.3 @@ -97,7 +97,9 @@ objects, the initial member of which is pointed to by .Fa base . The size of each object is specified by .Fa size . -.Fn Mergesort +The +.Fn mergesort +function behaves similarly, but .Em requires that @@ -179,7 +181,9 @@ requires additional memory of size .Fa nmemb * .Fa size bytes; it should be used only when space is not at a premium. -.Fn Mergesort +The +.Fn mergesort +function is optimized for data with pre-existing order; its worst case time is O N lg N; its best case is O N. .Pp @@ -218,9 +222,11 @@ argument to is less than .Dq "sizeof(void *) / 2" . .It Bq Er ENOMEM -.Fn Heapsort +The +.Fn heapsort or .Fn mergesort +functions were unable to allocate memory. .El .Sh COMPATIBILITY |
