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674d172730
Also remove the "len" parameter, as:
(1) it was used as a max boundary, and every caller used ~0u
(2) we check for final NUL no matter what, so it doesn't help for speed.
As a result most of the pp_* function takes 3 arguments less, and we need
a lot less local variables, this makes the code way more readable, and
easier to extend if needed.
This patch also fixes some spacing and cosmetic issues.
This patch also fixes (as a side effect) a memory leak intoruced in
builtin-archive.c at commit df4a394f (fmt was xmalloc'ed and not free'd)
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
131 lines
4 KiB
C
131 lines
4 KiB
C
#ifndef COMMIT_H
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#define COMMIT_H
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#include "object.h"
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#include "tree.h"
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#include "strbuf.h"
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#include "decorate.h"
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struct commit_list {
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struct commit *item;
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struct commit_list *next;
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};
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struct commit {
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struct object object;
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void *util;
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unsigned long date;
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struct commit_list *parents;
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struct tree *tree;
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char *buffer;
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};
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extern int save_commit_buffer;
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extern const char *commit_type;
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/* While we can decorate any object with a name, it's only used for commits.. */
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extern struct decoration name_decoration;
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struct name_decoration {
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struct name_decoration *next;
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char name[1];
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};
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struct commit *lookup_commit(const unsigned char *sha1);
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struct commit *lookup_commit_reference(const unsigned char *sha1);
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struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
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int quiet);
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int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
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int parse_commit(struct commit *item);
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struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
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struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
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void free_commit_list(struct commit_list *list);
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void sort_by_date(struct commit_list **list);
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/* Commit formats */
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enum cmit_fmt {
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CMIT_FMT_RAW,
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CMIT_FMT_MEDIUM,
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CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
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CMIT_FMT_SHORT,
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CMIT_FMT_FULL,
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CMIT_FMT_FULLER,
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CMIT_FMT_ONELINE,
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CMIT_FMT_EMAIL,
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CMIT_FMT_USERFORMAT,
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CMIT_FMT_UNSPECIFIED,
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};
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extern enum cmit_fmt get_commit_format(const char *arg);
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extern void format_commit_message(const struct commit *commit,
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const void *format, struct strbuf *sb);
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extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*,
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struct strbuf *,
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int abbrev, const char *subject,
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const char *after_subject, enum date_mode);
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/** Removes the first commit from a list sorted by date, and adds all
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* of its parents.
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**/
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struct commit *pop_most_recent_commit(struct commit_list **list,
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unsigned int mark);
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struct commit *pop_commit(struct commit_list **stack);
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void clear_commit_marks(struct commit *commit, unsigned int mark);
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/*
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* Performs an in-place topological sort of list supplied.
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*
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* Pre-conditions for sort_in_topological_order:
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* all commits in input list and all parents of those
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* commits must have object.util == NULL
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*
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* Pre-conditions for sort_in_topological_order_fn:
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* all commits in input list and all parents of those
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* commits must have getter(commit) == NULL
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*
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* Post-conditions:
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* invariant of resulting list is:
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* a reachable from b => ord(b) < ord(a)
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* in addition, when lifo == 0, commits on parallel tracks are
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* sorted in the dates order.
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*/
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typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
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typedef void* (*topo_sort_get_fn_t)(struct commit*);
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void topo_sort_default_setter(struct commit *c, void *data);
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void *topo_sort_default_getter(struct commit *c);
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void sort_in_topological_order(struct commit_list ** list, int lifo);
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void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
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topo_sort_set_fn_t setter,
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topo_sort_get_fn_t getter);
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struct commit_graft {
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unsigned char sha1[20];
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int nr_parent; /* < 0 if shallow commit */
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unsigned char parent[FLEX_ARRAY][20]; /* more */
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};
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struct commit_graft *read_graft_line(char *buf, int len);
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int register_commit_graft(struct commit_graft *, int);
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int read_graft_file(const char *graft_file);
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extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
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extern int register_shallow(const unsigned char *sha1);
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extern int unregister_shallow(const unsigned char *sha1);
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extern int write_shallow_commits(int fd, int use_pack_protocol);
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extern int is_repository_shallow(void);
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extern struct commit_list *get_shallow_commits(struct object_array *heads,
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int depth, int shallow_flag, int not_shallow_flag);
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int in_merge_bases(struct commit *, struct commit **, int);
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#endif /* COMMIT_H */
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