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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "oidmap.h"
#define kmalloc git__malloc
#define kcalloc git__calloc
#define krealloc git__realloc
#define kreallocarray git__reallocarray
#define kfree git__free
#include "khash.h"
__KHASH_TYPE(oid, const git_oid *, void *)
GIT_INLINE(khint_t) git_oidmap_hash(const git_oid *oid)
{
khint_t h;
memcpy(&h, oid, sizeof(khint_t));
return h;
}
__KHASH_IMPL(oid, static kh_inline, const git_oid *, void *, 1, git_oidmap_hash, git_oid_equal)
int git_oidmap_new(git_oidmap **out)
{
*out = kh_init(oid);
GIT_ERROR_CHECK_ALLOC(*out);
return 0;
}
void git_oidmap_free(git_oidmap *map)
{
kh_destroy(oid, map);
}
void git_oidmap_clear(git_oidmap *map)
{
kh_clear(oid, map);
}
size_t git_oidmap_size(git_oidmap *map)
{
return kh_size(map);
}
void *git_oidmap_get(git_oidmap *map, const git_oid *key)
{
size_t idx = kh_get(oid, map, key);
if (idx == kh_end(map) || !kh_exist(map, idx))
return NULL;
return kh_val(map, idx);
}
int git_oidmap_set(git_oidmap *map, const git_oid *key, void *value)
{
size_t idx;
int rval;
idx = kh_put(oid, map, key, &rval);
if (rval < 0)
return -1;
if (rval == 0)
kh_key(map, idx) = key;
kh_val(map, idx) = value;
return 0;
}
int git_oidmap_delete(git_oidmap *map, const git_oid *key)
{
khiter_t idx = kh_get(oid, map, key);
if (idx == kh_end(map))
return GIT_ENOTFOUND;
kh_del(oid, map, idx);
return 0;
}
int git_oidmap_exists(git_oidmap *map, const git_oid *key)
{
return kh_get(oid, map, key) != kh_end(map);
}
int git_oidmap_iterate(void **value, git_oidmap *map, size_t *iter, const git_oid **key)
{
size_t i = *iter;
while (i < map->n_buckets && !kh_exist(map, i))
i++;
if (i >= map->n_buckets)
return GIT_ITEROVER;
if (key)
*key = kh_key(map, i);
if (value)
*value = kh_value(map, i);
*iter = ++i;
return 0;
}
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