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57 lines
1.3 KiB
57 lines
1.3 KiB
/*
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* UCW Library -- Generic Allocator Using Malloc
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*
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* (c) 2014 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/alloc.h>
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#include <string.h>
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/* Default allocator */
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static void *ucw_std_alloc(struct ucw_allocator *a UNUSED, size_t size)
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{
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return xmalloc(size);
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}
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static void *ucw_std_realloc(struct ucw_allocator *a UNUSED, void *ptr, size_t old_size UNUSED, size_t new_size)
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{
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return xrealloc(ptr, new_size);
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}
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static void ucw_std_free(struct ucw_allocator *a UNUSED, void *ptr)
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{
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xfree(ptr);
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}
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struct ucw_allocator ucw_allocator_std = {
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.alloc = ucw_std_alloc,
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.realloc = ucw_std_realloc,
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.free = ucw_std_free,
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};
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/* Zeroing allocator */
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static void *ucw_zeroed_alloc(struct ucw_allocator *a UNUSED, size_t size)
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{
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return xmalloc_zero(size);
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}
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static void *ucw_zeroed_realloc(struct ucw_allocator *a UNUSED, void *ptr, size_t old_size, size_t new_size)
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{
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ptr = xrealloc(ptr, new_size);
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if (old_size < new_size)
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bzero((byte *) ptr + old_size, new_size - old_size);
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return ptr;
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}
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struct ucw_allocator ucw_allocator_zeroed = {
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.alloc = ucw_zeroed_alloc,
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.realloc = ucw_zeroed_realloc,
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.free = ucw_std_free,
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};
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