29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* realloc.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/18 13:23:20 by jhalford #+# #+# */
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/* Updated: 2017/10/22 17:28:05 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "malloc_internal.h"
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void *ft_realloc(void *ptr, size_t size)
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{
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void *new;
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size_t old_size;
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if (!ptr)
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return (ft_malloc(size));
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if (ft_free(ptr))
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return (NULL);
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old_size = ((t_node*)(ptr - M_NODEHEAD))->size;
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if (!(new = ft_malloc(size)))
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return (NULL);
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ft_memcpy(new, ptr, old_size);
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return (new);
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}
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