42/42_INT_07_minishell
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixed readline() leak/double_free with **environ

Browse Source
This commit is contained in:
LuckyLaszlo
2021-12-02 01:35:02 +01:00
parent b3f74c4179
commit d710f5ef68
3 changed files with 19 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
srcs/free.c
View File

@@ -6,41 +6,18 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/10 23:53:17 by lperrey #+# #+# */
/* Updated: 2021/11/29 12:43:29 by lperrey ### ########.fr */
/* Updated: 2021/12/02 00:42:33 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
// WIP : un peu zob. Previent les invalid free de readline, mais peut leak si "LINES" ou "COLUMNS" sont redefini avec export
void ft_free_2d_arr_ENVIRON(void *ptr)
{
unsigned int i;
char **arr;
if (!ptr)
return ;
arr = (char **)ptr;
i = 0;
while (arr[i])
{
if (ft_strncmp(arr[i], "LINES=", 5 + 1) != 0 && ft_strncmp(arr[i], "COLUMNS=", 7 + 1) != 0)
free(arr[i]);
i++;
}
free(arr);
}
int exit_free(t_all *c, int exit_status)
{
free(c->prompt_base);
free(c->prompt);
ft_lstclear((t_list **)&c->token_list, free);
//ft_free_2d_arr(environ);
ft_free_2d_arr_ENVIRON(environ);
free(g_ori_environ);
//environ = g_ori_environ; // WIP free test
environ = NULL; // WIP free test
ft_free_2d_arr(environ);
ft_free_2d_arr(c->path);
free_pipeline(&c->pipeline);
//if (c->termios_changed)