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basic/set: let set_put_strdup() create the set with string hash ops

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If we're using a set with _put_strdup(), most of the time we want to use
string hash ops on the set, and free the strings when done. This defines
the appropriate a new string_hash_ops_free structure to automatically free
the keys when removing the set, and makes set_put_strdup() and set_put_strdupv()
instantiate the set with those hash ops.

hashmap_put_strdup() was already doing something similar.

(It is OK to instantiate the set earlier, possibly with a different hash ops
structure. set_put_strdup() will then use the existing set. It is also OK
to call set_free_free() instead of set_free() on a set with
string_hash_ops_free, the effect is the same, we're just overriding the
override of the cleanup function.)

No functional change intended.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2020-05-06 16:54:06 +02:00
parent 0894f08bf1
commit be32732168
25 changed files with 71 additions and 108 deletions
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src/basic/set.h
+2 -2
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@@ -113,8 +113,8 @@ static inline char **set_get_strv(Set *s) {
}
int set_consume(Set *s, void *value);
int set_put_strdup(Set *s, const char *p);
int set_put_strdupv(Set *s, char **l);
int set_put_strdup(Set **s, const char *p);
int set_put_strdupv(Set **s, char **l);
int set_put_strsplit(Set *s, const char *v, const char *separators, ExtractFlags flags);
#define SET_FOREACH(e, s, i) \