https://github.com/git/git
Revision 02112fcb705c334311290e7699a6c0dca7585b8d authored by Junio C Hamano on 19 May 2021, 23:55:00 UTC, committed by Junio C Hamano on 19 May 2021, 23:55:00 UTC
The bash prompt script (in contrib/) did not work under "set -u".

* en/prompt-under-set-u:
  git-prompt: work under set -u
2 parent s 36a255a + 5c0cbdb
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Tip revision: 02112fcb705c334311290e7699a6c0dca7585b8d authored by Junio C Hamano on 19 May 2021, 23:55:00 UTC
Merge branch 'en/prompt-under-set-u'
Tip revision: 02112fc
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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