mercurial/mpatch.h
author Gregory Szorc <gregory.szorc@gmail.com>
Tue, 27 Feb 2018 15:23:04 -0800
changeset 36612 e89959970a08
parent 34800 761355833867
child 48274 d86908050375
permissions -rw-r--r--
wireproto: don't expose changegroupsubset capability if not available We just marked the changegroupsubset command as only available to version 1 of the wire transports. There is a capability of the same name of the command that indicates if the command is supported. This commit teaches the capabilities code to conditionally emit that capability depending on whether the command is available for the current transport. Most test output is reordering of capabilities. But the limited tests for version 2 of the SSH protocol do show the capability disappearing. Differential Revision: https://phab.mercurial-scm.org/D2486
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#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 *
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mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t),
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            ssize_t start, ssize_t end);
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#endif