upstream/mercurial-mirror Files · mercurial/bdiff.h

changegroup: don't fail on empty changegroup (API)...

changegroup: don't fail on empty changegroup (API) I don't know why applying an empty changegroup should be an error. It seems harmless. I suspect the check was there to find code that creates empty changegroups just because that would be wasteful. Let's use develwarn() for that instead, so we catch any such cases that run with our test runner, but we still allow others to generate empty changegroups if they want to. We have run into this check at Google once or twice and had to work around it, but I'm changing this not so much because of that, but because it seems like it shouldn't be an error. I also changed the message slightly to be more modern ("changelog group" -> "changegroup") and more generic ("received" -> "applied").

Maciej Fijalkowski - - Load All Authors

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      #ifndef _HG_BDIFF_H_

      #define _HG_BDIFF_H_

      struct bdiff_line {

      	int hash, n, e;

      	ssize_t len;

      	const char *l;

      };

      struct bdiff_hunk;

      struct bdiff_hunk {

      	int a1, a2, b1, b2;

      	struct bdiff_hunk *next;

      };

      int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

      int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

      	struct bdiff_hunk *base);

      void bdiff_freehunks(struct bdiff_hunk *l);

      #endif

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				#ifndef _HG_BDIFF_H_
				#define _HG_BDIFF_H_

				struct bdiff_line {
				int hash, n, e;
				ssize_t len;
				const char *l;
				};

				struct bdiff_hunk;
				struct bdiff_hunk {
				int a1, a2, b1, b2;
				struct bdiff_hunk *next;
				};

				int bdiff_splitlines(const char a, ssize_t len, struct bdiff_line *lr);
				int bdiff_diff(struct bdiff_line a, int an, struct bdiff_line b, int bn,
				struct bdiff_hunk *base);
				void bdiff_freehunks(struct bdiff_hunk *l);

				#endif