cLK/lk/lib/libc/malloc.c

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2011-03-25 21:39:33 +00:00
/*
* Copyright (c) 2008 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <debug.h>
#include <malloc.h>
#include <string.h>
#include <lib/heap.h>
void *malloc(size_t size)
{
return heap_alloc(size, 0);
}
void *memalign(size_t boundary, size_t size)
{
return heap_alloc(size, boundary);
}
void *calloc(size_t count, size_t size)
{
void *ptr;
size_t realsize = count * size;
ptr = heap_alloc(realsize, 0);
if (!ptr)
return NULL;
memset(ptr, 0, realsize);
return ptr;
}
void free(void *ptr)
{
return heap_free(ptr);
}