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/*
Copyright 2020 Google LLC
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
#include "system.h"
#include "reftable-malloc.h"
#include "basics.h"
static void *(*reftable_malloc_ptr)(size_t sz);
static void *(*reftable_realloc_ptr)(void *, size_t);
static void (*reftable_free_ptr)(void *);
void *reftable_malloc(size_t sz)
{
if (reftable_malloc_ptr)
return (*reftable_malloc_ptr)(sz);
return malloc(sz);
}
void *reftable_realloc(void *p, size_t sz)
{
if (reftable_realloc_ptr)
return (*reftable_realloc_ptr)(p, sz);
return realloc(p, sz);
}
void reftable_free(void *p)
{
if (reftable_free_ptr)
reftable_free_ptr(p);
else
free(p);
}
void *reftable_calloc(size_t nelem, size_t elsize)
{
size_t sz = st_mult(nelem, elsize);
void *p = reftable_malloc(sz);
memset(p, 0, sz);
return p;
}
void reftable_set_alloc(void *(*malloc)(size_t),
void *(*realloc)(void *, size_t), void (*free)(void *))
{
reftable_malloc_ptr = malloc;
reftable_realloc_ptr = realloc;
reftable_free_ptr = free;
}
int hash_size(uint32_t id)
{
switch (id) {
case 0:
case GIT_SHA1_FORMAT_ID:
return GIT_SHA1_RAWSZ;
case GIT_SHA256_FORMAT_ID:
return GIT_SHA256_RAWSZ;
}
abort();
}
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