transport-helper: drop read/write errno checks
[git.git] / attr.h
blobb0378bfe5feadb91134535b339515e554622cfee
1 #ifndef ATTR_H
2 #define ATTR_H
4 struct index_state;
6 /* An attribute is a pointer to this opaque structure */
7 struct git_attr;
9 /* opaque structures used internally for attribute collection */
10 struct all_attrs_item;
11 struct attr_stack;
12 struct index_state;
15 * Given a string, return the gitattribute object that
16 * corresponds to it.
18 const struct git_attr *git_attr(const char *);
20 /* Internal use */
21 extern const char git_attr__true[];
22 extern const char git_attr__false[];
24 /* For public to check git_attr_check results */
25 #define ATTR_TRUE(v) ((v) == git_attr__true)
26 #define ATTR_FALSE(v) ((v) == git_attr__false)
27 #define ATTR_UNSET(v) ((v) == NULL)
30 * Send one or more git_attr_check to git_check_attrs(), and
31 * each 'value' member tells what its value is.
32 * Unset one is returned as NULL.
34 struct attr_check_item {
35 const struct git_attr *attr;
36 const char *value;
39 struct attr_check {
40 int nr;
41 int alloc;
42 struct attr_check_item *items;
43 int all_attrs_nr;
44 struct all_attrs_item *all_attrs;
45 struct attr_stack *stack;
48 struct attr_check *attr_check_alloc(void);
49 struct attr_check *attr_check_initl(const char *, ...);
50 struct attr_check *attr_check_dup(const struct attr_check *check);
52 struct attr_check_item *attr_check_append(struct attr_check *check,
53 const struct git_attr *attr);
55 void attr_check_reset(struct attr_check *check);
56 void attr_check_clear(struct attr_check *check);
57 void attr_check_free(struct attr_check *check);
60 * Return the name of the attribute represented by the argument. The
61 * return value is a pointer to a null-delimited string that is part
62 * of the internal data structure; it should not be modified or freed.
64 const char *git_attr_name(const struct git_attr *);
66 void git_check_attr(const struct index_state *istate,
67 const char *path, struct attr_check *check);
70 * Retrieve all attributes that apply to the specified path.
71 * check holds the attributes and their values.
73 void git_all_attrs(const struct index_state *istate,
74 const char *path, struct attr_check *check);
76 enum git_attr_direction {
77 GIT_ATTR_CHECKIN,
78 GIT_ATTR_CHECKOUT,
79 GIT_ATTR_INDEX
81 void git_attr_set_direction(enum git_attr_direction new_direction);
83 void attr_start(void);
85 #endif /* ATTR_H */