view mercurial/mpatch.h @ 31538:e6d4cc29fd60

posix: use local reference to removedirs We have a local reference to os.removedirs in module scope, but we still used os.removedirs inside functions. This changes util to use the local reference, which will pave the way for combining duplicated code in future patches.
author Ryan McElroy <rmcelroy@fb.com>
date Tue, 21 Mar 2017 06:50:28 -0700
parents 155f0cc3f813
children 761355833867
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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