mercurial/mpatch.h
author Pulkit Goyal <7895pulkit@gmail.com>
Mon, 10 Aug 2020 15:34:27 +0530
changeset 45383 f970cca30989
parent 34800 761355833867
child 48274 d86908050375
permissions -rw-r--r--
merge: use collections.defaultdict() for mergeresult.commitinfo We will be storing info from mergeresult.commitinfo to mergestate._stateextras in upcoming patches, let's make them use same structure so that we don't have to make much efforts in transferring info from one to other. Differential Revision: https://phab.mercurial-scm.org/D8921

#ifndef _HG_MPATCH_H_
#define _HG_MPATCH_H_

#define MPATCH_ERR_NO_MEM -3
#define MPATCH_ERR_CANNOT_BE_DECODED -2
#define MPATCH_ERR_INVALID_PATCH -1

struct mpatch_frag {
	int start, end, len;
	const char *data;
};

struct mpatch_flist {
	struct mpatch_frag *base, *head, *tail;
};

int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist **res);
ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);
void mpatch_lfree(struct mpatch_flist *a);
int mpatch_apply(char *buf, const char *orig, ssize_t len,
                 struct mpatch_flist *l);
struct mpatch_flist *
mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t),
            ssize_t start, ssize_t end);

#endif