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fix get_prev_alloc, add "invalid pointer" message when an invalid pointer is passed to free or realloc

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tomoron
2024-12-04 18:49:53 +01:00
parent 7dfa7eb049
commit 913b33f74b
3 changed files with 20 additions and 18 deletions
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8
srcs/realloc.c
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@ -6,14 +6,14 @@
/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/12/02 14:41:22 by tomoron #+# #+# */
/* Updated: 2024/12/03 18:57:50 by tomoron ### ########.fr */
/* Updated: 2024/12/04 17:22:37 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include "includes/malloc.h"
t_mem_chunk *get_alloc_chunk(t_alloc *alloc, t_mem_chunk *first, size_t size);
int get_prev_alloc(t_alloc **alloc, t_alloc **res, t_alloc *cur);
int get_prev_alloc(t_alloc **alloc, t_alloc **res, t_alloc *cur, char *fnc);
static void *realloc_recreate(t_alloc *alloc, size_t size)
{
@ -35,7 +35,7 @@ static void *realloc_prealloc(t_alloc *alloc, t_mem_chunk *chunk, \
chunk = get_alloc_chunk(alloc, chunk, is_small);
if (!chunk)
return (0);
if (!get_prev_alloc(&alloc, &prev, chunk->first))
if (!get_prev_alloc(&alloc, &prev, chunk->first, "realloc"))
return (0);
if (alloc->size >= size)
{
@ -56,7 +56,7 @@ static void *realloc_large(t_alloc *alloc, size_t size)
{
t_alloc *prev;
if (!get_prev_alloc(&alloc, &prev, g_allocs.large))
if (!get_prev_alloc(&alloc, &prev, g_allocs.large, "realloc"))
return (0);
return (realloc_recreate(alloc, size));
}