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*.[ch]: remove extern from function declarations using spatch
[thirdparty/git.git] / path.h
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1#ifndef PATH_H
2#define PATH_H
3
b337172c 4struct repository;
ef3ca954 5struct strbuf;
b337172c 6
e7d72d07 7/*
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8 * The result to all functions which return statically allocated memory may be
9 * overwritten by another call to _any_ one of these functions. Consider using
10 * the safer variants which operate on strbufs or return allocated memory.
e7d72d07 11 */
e7d72d07 12
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13/*
14 * Return a statically allocated path.
15 */
16extern const char *mkpath(const char *fmt, ...)
17 __attribute__((format (printf, 1, 2)));
18
19/*
20 * Return a path.
21 */
22extern char *mkpathdup(const char *fmt, ...)
23 __attribute__((format (printf, 1, 2)));
24
25/*
26 * Construct a path and place the result in the provided buffer `buf`.
27 */
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28extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
29 __attribute__((format (printf, 3, 4)));
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30
31/*
32 * The `git_common_path` family of functions will construct a path into a
33 * repository's common git directory, which is shared by all worktrees.
34 */
35
36/*
37 * Constructs a path into the common git directory of repository `repo` and
38 * append it in the provided buffer `sb`.
39 */
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40extern void strbuf_git_common_path(struct strbuf *sb,
41 const struct repository *repo,
42 const char *fmt, ...)
43 __attribute__((format (printf, 3, 4)));
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44
45/*
46 * Return a statically allocated path into the main repository's
47 * (the_repository) common git directory.
48 */
49extern const char *git_common_path(const char *fmt, ...)
e7d72d07 50 __attribute__((format (printf, 1, 2)));
e7d72d07 51
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52
53/*
54 * The `git_path` family of functions will construct a path into a repository's
55 * git directory.
56 *
57 * These functions will perform adjustments to the resultant path to account
58 * for special paths which are either considered common among worktrees (e.g.
59 * paths into the object directory) or have been explicitly set via an
60 * environment variable or config (e.g. path to the index file).
61 *
62 * For an exhaustive list of the adjustments made look at `common_list` and
63 * `adjust_git_path` in path.c.
64 */
65
66/*
67 * Return a path into the git directory of repository `repo`.
68 */
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69extern char *repo_git_path(const struct repository *repo,
70 const char *fmt, ...)
71 __attribute__((format (printf, 2, 3)));
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72
73/*
74 * Construct a path into the git directory of repository `repo` and append it
75 * to the provided buffer `sb`.
76 */
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77extern void strbuf_repo_git_path(struct strbuf *sb,
78 const struct repository *repo,
79 const char *fmt, ...)
80 __attribute__((format (printf, 3, 4)));
81
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82/*
83 * Return a statically allocated path into the main repository's
84 * (the_repository) git directory.
85 */
86extern const char *git_path(const char *fmt, ...)
87 __attribute__((format (printf, 1, 2)));
88
89/*
90 * Return a path into the main repository's (the_repository) git directory.
91 */
92extern char *git_pathdup(const char *fmt, ...)
93 __attribute__((format (printf, 1, 2)));
94
95/*
96 * Construct a path into the main repository's (the_repository) git directory
97 * and place it in the provided buffer `buf`, the contents of the buffer will
98 * be overridden.
99 */
100extern char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
101 __attribute__((format (printf, 2, 3)));
102
103/*
104 * Construct a path into the main repository's (the_repository) git directory
105 * and append it to the provided buffer `sb`.
106 */
107extern void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
108 __attribute__((format (printf, 2, 3)));
109
110/*
111 * Return a path into the worktree of repository `repo`.
112 *
113 * If the repository doesn't have a worktree NULL is returned.
114 */
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115extern char *repo_worktree_path(const struct repository *repo,
116 const char *fmt, ...)
117 __attribute__((format (printf, 2, 3)));
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118
119/*
120 * Construct a path into the worktree of repository `repo` and append it
121 * to the provided buffer `sb`.
122 *
123 * If the repository doesn't have a worktree nothing will be appended to `sb`.
124 */
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125extern void strbuf_repo_worktree_path(struct strbuf *sb,
126 const struct repository *repo,
127 const char *fmt, ...)
128 __attribute__((format (printf, 3, 4)));
129
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130/*
131 * Return a path into a submodule's git directory located at `path`. `path`
132 * must only reference a submodule of the main repository (the_repository).
133 */
134extern char *git_pathdup_submodule(const char *path, const char *fmt, ...)
135 __attribute__((format (printf, 2, 3)));
136
137/*
138 * Construct a path into a submodule's git directory located at `path` and
139 * append it to the provided buffer `sb`. `path` must only reference a
140 * submodule of the main repository (the_repository).
141 */
142extern int strbuf_git_path_submodule(struct strbuf *sb, const char *path,
143 const char *fmt, ...)
144 __attribute__((format (printf, 3, 4)));
145
55454427 146void report_linked_checkout_garbage(void);
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147
148/*
149 * You can define a static memoized git path like:
150 *
9ad36356 151 * static GIT_PATH_FUNC(git_path_foo, "FOO")
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152 *
153 * or use one of the global ones below.
154 */
155#define GIT_PATH_FUNC(func, filename) \
156 const char *func(void) \
157 { \
158 static char *ret; \
159 if (!ret) \
160 ret = git_pathdup(filename); \
161 return ret; \
162 }
163
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164#define REPO_GIT_PATH_FUNC(var, filename) \
165 const char *git_path_##var(struct repository *r) \
166 { \
167 if (!r->cached_paths.var) \
b6b24fc5 168 r->cached_paths.var = repo_git_path(r, filename); \
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169 return r->cached_paths.var; \
170 }
171
172struct path_cache {
173 const char *cherry_pick_head;
174 const char *revert_head;
175 const char *squash_msg;
176 const char *merge_msg;
177 const char *merge_rr;
178 const char *merge_mode;
179 const char *merge_head;
180 const char *fetch_head;
181 const char *shallow;
182};
183
184#define PATH_CACHE_INIT { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
185
186const char *git_path_cherry_pick_head(struct repository *r);
187const char *git_path_revert_head(struct repository *r);
188const char *git_path_squash_msg(struct repository *r);
189const char *git_path_merge_msg(struct repository *r);
190const char *git_path_merge_rr(struct repository *r);
191const char *git_path_merge_mode(struct repository *r);
192const char *git_path_merge_head(struct repository *r);
193const char *git_path_fetch_head(struct repository *r);
194const char *git_path_shallow(struct repository *r);
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195
196#endif /* PATH_H */