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git/mergesort.h
Junio C Hamano 7365c95d2d mergesort: rename it to llist_mergesort()
Even though the function is generic enough, <anything>sort() inherits
connotations from the standard function qsort() that sorts an array.
Rename it to llist_mergesort() and describe the external interface in
its header file.

This incidentally avoids name clashes with mergesort() some platforms
declare in, and contaminate user namespace with, their <stdlib.h>.

Reported-by: Brian Gernhardt
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-17 11:07:01 -07:00

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C

#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