2006-09-05 12:50:12 +08:00
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#ifndef LIST_OBJECTS_H
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#define LIST_OBJECTS_H
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2018-08-16 01:54:05 +08:00
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struct commit;
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struct object;
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struct rev_info;
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2009-04-07 03:28:36 +08:00
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typedef void (*show_commit_fn)(struct commit *, void *);
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list-objects: pass full pathname to callbacks
When we find a blob at "a/b/c", we currently pass this to
our show_object_fn callbacks as two components: "a/b/" and
"c". Callbacks which want the full value then call
path_name(), which concatenates the two. But this is an
inefficient interface; the path is a strbuf, and we could
simply append "c" to it temporarily, then roll back the
length, without creating a new copy.
So we could improve this by teaching the callsites of
path_name() this trick (and there are only 3). But we can
also notice that no callback actually cares about the
broken-down representation, and simply pass each callback
the full path "a/b/c" as a string. The callback code becomes
even simpler, then, as we do not have to worry about freeing
an allocated buffer, nor rolling back our modification to
the strbuf.
This is theoretically less efficient, as some callbacks
would not bother to format the final path component. But in
practice this is not measurable. Since we use the same
strbuf over and over, our work to grow it is amortized, and
we really only pay to memcpy a few bytes.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-12 06:28:36 +08:00
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typedef void (*show_object_fn)(struct object *, const char *, void *);
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2009-04-07 03:28:36 +08:00
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void traverse_commit_list(struct rev_info *, show_commit_fn, show_object_fn, void *);
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2006-09-06 16:42:23 +08:00
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2011-09-02 06:43:33 +08:00
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typedef void (*show_edge_fn)(struct commit *);
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2019-01-17 02:25:58 +08:00
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void mark_edges_uninteresting(struct rev_info *revs,
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show_edge_fn show_edge,
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int sparse);
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2006-09-05 12:50:12 +08:00
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2017-11-22 04:58:50 +08:00
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struct oidset;
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struct list_objects_filter_options;
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void traverse_commit_list_filtered(
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struct list_objects_filter_options *filter_options,
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struct rev_info *revs,
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show_commit_fn show_commit,
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show_object_fn show_object,
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void *show_data,
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struct oidset *omitted);
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#endif /* LIST_OBJECTS_H */
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