view mercurial/mpatch.h @ 39323:c11e8894b9ca

tests: mark manifestfulltextcache as conditional on revlog store This file is currently specific to the revlog store. Other stores may not implement it. Mark it as such in test output. Differential Revision: https://phab.mercurial-scm.org/D4395
author Gregory Szorc <gregory.szorc@gmail.com>
date Wed, 15 Aug 2018 23:05:23 +0000
parents 761355833867
children d86908050375
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#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