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

shelve: raise an error when loading a corrupt state file in an impossible case...

shelve: raise an error when loading a corrupt state file in an impossible case The old return statement was flagged by pytype 2023.06.16 running under python 3.10.11. No idea why it isn't caught in CI running the same pytype with py3.7. This function is only called by `unshelvecmd()` (which first checks that either `--abort` or `--continue` is specified), and `hgabortunshelve()` and `hgcontinueunshelve()`, which locally apply `--abort` or `--continue` respectively. Therefore, there is no other way to call this, and this error should never be seen, but pytype can't figure that out on its own. Given that the abort case clears the state, it seems reasonable to defensively code this and not make that a blanket `else` case, on the off chance a 3rd way of calling this appears in the future.

David Demelier - - Load All Authors

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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

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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