Revision e6c1c391a86302a53e0eab44dc5bb597c96a87fb authored by Ralf Thielow on 20 November 2014, 06:15:15 UTC, committed by Ralf Thielow on 20 November 2014, 06:16:18 UTC
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
1 parent 388a439
Raw File
mergesort.h
#ifndef MERGESORT_H
#define MERGESORT_H

/*
 * 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
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