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/*
* Copyright (c) 2015-2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/** \file
* \brief Runtime functions for setting custom allocators.
*/
#include <stdlib.h>
#include <string.h>
#include "allocator.h"
#define default_malloc malloc
#define default_free free
hs_alloc_t hs_database_alloc = default_malloc;
hs_alloc_t hs_misc_alloc = default_malloc;
hs_alloc_t hs_scratch_alloc = default_malloc;
hs_alloc_t hs_stream_alloc = default_malloc;
hs_free_t hs_database_free = default_free;
hs_free_t hs_misc_free = default_free;
hs_free_t hs_scratch_free = default_free;
hs_free_t hs_stream_free = default_free;
static
hs_alloc_t normalise_alloc(hs_alloc_t a) {
if (!a) {
return default_malloc;
} else {
return a;
}
}
static
hs_free_t normalise_free(hs_free_t f) {
if (!f) {
return default_free;
} else {
return f;
}
}
HS_PUBLIC_API
hs_error_t HS_CDECL hs_set_allocator(hs_alloc_t allocfunc, hs_free_t freefunc) {
hs_set_database_allocator(allocfunc, freefunc);
hs_set_misc_allocator(allocfunc, freefunc);
hs_set_stream_allocator(allocfunc, freefunc);
hs_set_scratch_allocator(allocfunc, freefunc);
return HS_SUCCESS;
}
HS_PUBLIC_API
hs_error_t HS_CDECL hs_set_database_allocator(hs_alloc_t allocfunc,
hs_free_t freefunc) {
hs_database_alloc = normalise_alloc(allocfunc);
hs_database_free = normalise_free(freefunc);
return HS_SUCCESS;
}
HS_PUBLIC_API
hs_error_t HS_CDECL hs_set_misc_allocator(hs_alloc_t allocfunc,
hs_free_t freefunc) {
hs_misc_alloc = normalise_alloc(allocfunc);
hs_misc_free = normalise_free(freefunc);
return HS_SUCCESS;
}
HS_PUBLIC_API
hs_error_t HS_CDECL hs_set_scratch_allocator(hs_alloc_t allocfunc,
hs_free_t freefunc) {
hs_scratch_alloc = normalise_alloc(allocfunc);
hs_scratch_free = normalise_free(freefunc);
return HS_SUCCESS;
}
HS_PUBLIC_API
hs_error_t HS_CDECL hs_set_stream_allocator(hs_alloc_t allocfunc,
hs_free_t freefunc) {
hs_stream_alloc = normalise_alloc(allocfunc);
hs_stream_free = normalise_free(freefunc);
return HS_SUCCESS;
}
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