diff options
Diffstat (limited to 'mergesort.h')
| -rw-r--r-- | mergesort.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/mergesort.h b/mergesort.h index d6e5f4a..644cff1 100644 --- a/mergesort.h +++ b/mergesort.h @@ -1,9 +1,17 @@ #ifndef MERGESORT_H #define MERGESORT_H -void *mergesort(void *list, - void *(*get_next_fn)(const void *), - void (*set_next_fn)(void *, void *), - int (*compare_fn)(const void *, const void *)); +/* + * Sort linked list in place. + * - get_next_fn() returns the next element given an element of a linked list. + * - set_next_fn() takes two elements A and B, and makes B the "next" element + * of A on the list. + * - compare_fn() takes two elements A and B, and returns negative, 0, positive + * as the same sign as "subtracting" B from A. + */ +void *llist_mergesort(void *list, + void *(*get_next_fn)(const void *), + void (*set_next_fn)(void *, void *), + int (*compare_fn)(const void *, const void *)); #endif |