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e8a2c2a6ee
Summary: A future patch will add C++ logic that applies delta's to get full texts, so we need access to the mpatch code. This is a verbatim copy from core, along with it's dependencies. Test Plan: N/A It gets used as part of the next patch Reviewers: #mercurial, simonfar Reviewed By: simonfar Subscribers: mjpieters Differential Revision: https://phabricator.intern.facebook.com/D4556537 Signature: t1:4556537:1487076858:528343cb0a74de9262bbb5927ec8d186dafaef45
27 lines
689 B
C
27 lines
689 B
C
#ifndef _HG_MPATCH_H_
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#define _HG_MPATCH_H_
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#define MPATCH_ERR_NO_MEM -3
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#define MPATCH_ERR_CANNOT_BE_DECODED -2
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#define MPATCH_ERR_INVALID_PATCH -1
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struct mpatch_frag {
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int start, end, len;
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const char *data;
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};
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struct mpatch_flist {
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struct mpatch_frag *base, *head, *tail;
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};
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int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist** res);
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ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);
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void mpatch_lfree(struct mpatch_flist *a);
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int mpatch_apply(char *buf, const char *orig, ssize_t len,
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struct mpatch_flist *l);
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struct mpatch_flist *mpatch_fold(void *bins,
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struct mpatch_flist* (*get_next_item)(void*, ssize_t),
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ssize_t start, ssize_t end);
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#endif
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