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hashmap_cmp_fn takes hashmap_entry params

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Another step in eliminating the requirement of hashmap_entry
being the first member of a struct.

Signed-off-by: Eric Wong <e@80x24.org>
Reviewed-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Eric Wong
2019-10-06 23:30:37 +00:00
committed by Junio C Hamano
parent f23a465132
commit 939af16eac
23 changed files with 204 additions and 115 deletions
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13
hashmap.h
View File

@ -21,12 +21,16 @@
* #define COMPARE_VALUE 1
*
* static int long2string_cmp(const void *hashmap_cmp_fn_data,
* const struct long2string *e1,
* const struct long2string *e2,
* const struct hashmap_entry *eptr,
* const struct hashmap_entry *entry_or_key,
* const void *keydata)
* {
* const char *string = keydata;
* unsigned flags = *(unsigned *)hashmap_cmp_fn_data;
* const struct long2string *e1, *e2;
*
* e1 = container_of(eptr, const struct long2string, ent);
* e2 = container_of(entry_or_key, const struct long2string, ent);
*
* if (flags & COMPARE_VALUE)
* return e1->key != e2->key ||
@ -41,7 +45,7 @@
* char value[255], action[32];
* unsigned flags = 0;
*
* hashmap_init(&map, (hashmap_cmp_fn) long2string_cmp, &flags, 0);
* hashmap_init(&map, long2string_cmp, &flags, 0);
*
* while (scanf("%s %ld %s", action, &key, value)) {
*
@ -172,7 +176,8 @@ struct hashmap_entry {
* The `hashmap_cmp_fn_data` entry is the pointer given in the init function.
*/
typedef int (*hashmap_cmp_fn)(const void *hashmap_cmp_fn_data,
const void *entry, const void *entry_or_key,
const struct hashmap_entry *entry,
const struct hashmap_entry *entry_or_key,
const void *keydata);
/*