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Squashed 'third_party/git/' content from commit cb71568594

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git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
This commit is contained in:
Vincent Ambo 2020-01-11 23:36:56 +00:00
commit 1b593e1ea4
3629 changed files with 1139935 additions and 0 deletions
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63
line-log.h Normal file
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#ifndef LINE_LOG_H
#define LINE_LOG_H
#include "diffcore.h"
struct rev_info;
struct commit;
/* A range [start,end]. Lines are numbered starting at 0, and the
* ranges include start but exclude end. */
struct range {
long start, end;
};
/* A set of ranges. The ranges must always be disjoint and sorted. */
struct range_set {
unsigned int alloc, nr;
struct range *ranges;
};
/* A diff, encoded as the set of pre- and post-image ranges where the
* files differ. A pair of ranges corresponds to a hunk. */
struct diff_ranges {
struct range_set parent;
struct range_set target;
};
void range_set_init(struct range_set *, size_t prealloc);
void range_set_release(struct range_set *);
/* Range includes start; excludes end */
void range_set_append_unsafe(struct range_set *, long start, long end);
/* New range must begin at or after end of last added range */
void range_set_append(struct range_set *, long start, long end);
/*
* In-place pass of sorting and merging the ranges in the range set,
* to sort and make the ranges disjoint.
*/
void sort_and_merge_range_set(struct range_set *);
/* Linked list of interesting files and their associated ranges. The
* list must be kept sorted by path.
*
* For simplicity, even though this is highly redundant, each
* line_log_data owns its 'path'.
*/
struct line_log_data {
struct line_log_data *next;
char *path;
char status;
struct range_set ranges;
int arg_alloc, arg_nr;
const char **args;
struct diff_filepair *pair;
struct diff_ranges diff;
};
void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args);
int line_log_filter(struct rev_info *rev);
int line_log_print(struct rev_info *rev, struct commit *commit);
#endif /* LINE_LOG_H */