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Commit | Line | Data |
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ae20bf1a EN |
1 | #include "git-compat-util.h" |
2 | #include "strmap.h" | |
3 | ||
4 | int cmp_strmap_entry(const void *hashmap_cmp_fn_data, | |
5 | const struct hashmap_entry *entry1, | |
6 | const struct hashmap_entry *entry2, | |
7 | const void *keydata) | |
8 | { | |
9 | const struct strmap_entry *e1, *e2; | |
10 | ||
11 | e1 = container_of(entry1, const struct strmap_entry, ent); | |
12 | e2 = container_of(entry2, const struct strmap_entry, ent); | |
13 | return strcmp(e1->key, e2->key); | |
14 | } | |
15 | ||
16 | static struct strmap_entry *find_strmap_entry(struct strmap *map, | |
17 | const char *str) | |
18 | { | |
19 | struct strmap_entry entry; | |
20 | hashmap_entry_init(&entry.ent, strhash(str)); | |
21 | entry.key = str; | |
22 | return hashmap_get_entry(&map->map, &entry, ent, NULL); | |
23 | } | |
24 | ||
25 | void strmap_init(struct strmap *map) | |
26 | { | |
27 | strmap_init_with_options(map, 1); | |
28 | } | |
29 | ||
30 | void strmap_init_with_options(struct strmap *map, | |
31 | int strdup_strings) | |
32 | { | |
33 | hashmap_init(&map->map, cmp_strmap_entry, NULL, 0); | |
34 | map->strdup_strings = strdup_strings; | |
35 | } | |
36 | ||
37 | static void strmap_free_entries_(struct strmap *map, int free_values) | |
38 | { | |
39 | struct hashmap_iter iter; | |
40 | struct strmap_entry *e; | |
41 | ||
42 | if (!map) | |
43 | return; | |
44 | ||
45 | /* | |
46 | * We need to iterate over the hashmap entries and free | |
47 | * e->key and e->value ourselves; hashmap has no API to | |
48 | * take care of that for us. Since we're already iterating over | |
49 | * the hashmap, though, might as well free e too and avoid the need | |
50 | * to make some call into the hashmap API to do that. | |
51 | */ | |
52 | hashmap_for_each_entry(&map->map, &iter, e, ent) { | |
53 | if (free_values) | |
54 | free(e->value); | |
55 | if (map->strdup_strings) | |
56 | free((char*)e->key); | |
57 | free(e); | |
58 | } | |
59 | } | |
60 | ||
61 | void strmap_clear(struct strmap *map, int free_values) | |
62 | { | |
63 | strmap_free_entries_(map, free_values); | |
64 | hashmap_clear(&map->map); | |
65 | } | |
66 | ||
6ccdfc2a EN |
67 | void strmap_partial_clear(struct strmap *map, int free_values) |
68 | { | |
69 | strmap_free_entries_(map, free_values); | |
70 | hashmap_partial_clear(&map->map); | |
71 | } | |
72 | ||
ae20bf1a EN |
73 | void *strmap_put(struct strmap *map, const char *str, void *data) |
74 | { | |
75 | struct strmap_entry *entry = find_strmap_entry(map, str); | |
76 | void *old = NULL; | |
77 | ||
78 | if (entry) { | |
79 | old = entry->value; | |
80 | entry->value = data; | |
81 | } else { | |
82 | const char *key = str; | |
83 | ||
84 | entry = xmalloc(sizeof(*entry)); | |
85 | hashmap_entry_init(&entry->ent, strhash(str)); | |
86 | ||
87 | if (map->strdup_strings) | |
88 | key = xstrdup(str); | |
89 | entry->key = key; | |
90 | entry->value = data; | |
91 | hashmap_add(&map->map, &entry->ent); | |
92 | } | |
93 | return old; | |
94 | } | |
95 | ||
b70c82e6 EN |
96 | struct strmap_entry *strmap_get_entry(struct strmap *map, const char *str) |
97 | { | |
98 | return find_strmap_entry(map, str); | |
99 | } | |
100 | ||
ae20bf1a EN |
101 | void *strmap_get(struct strmap *map, const char *str) |
102 | { | |
103 | struct strmap_entry *entry = find_strmap_entry(map, str); | |
104 | return entry ? entry->value : NULL; | |
105 | } | |
106 | ||
107 | int strmap_contains(struct strmap *map, const char *str) | |
108 | { | |
109 | return find_strmap_entry(map, str) != NULL; | |
110 | } | |
b70c82e6 EN |
111 | |
112 | void strmap_remove(struct strmap *map, const char *str, int free_value) | |
113 | { | |
114 | struct strmap_entry entry, *ret; | |
115 | hashmap_entry_init(&entry.ent, strhash(str)); | |
116 | entry.key = str; | |
117 | ret = hashmap_remove_entry(&map->map, &entry, ent, NULL); | |
118 | if (!ret) | |
119 | return; | |
120 | if (free_value) | |
121 | free(ret->value); | |
122 | if (map->strdup_strings) | |
123 | free((char*)ret->key); | |
124 | free(ret); | |
125 | } | |
4fa1d501 EN |
126 | |
127 | void strintmap_incr(struct strintmap *map, const char *str, intptr_t amt) | |
128 | { | |
129 | struct strmap_entry *entry = find_strmap_entry(&map->map, str); | |
130 | if (entry) { | |
131 | intptr_t *whence = (intptr_t*)&entry->value; | |
132 | *whence += amt; | |
133 | } | |
134 | else | |
135 | strintmap_set(map, str, map->default_value + amt); | |
136 | } |