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setenv.c
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setenv.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* setenv.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mdiouf <mdiouf@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2014/11/16 18:33:56 by mdiouf #+# #+# */
/* Updated: 2014/11/16 21:11:44 by mdiouf ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_minishell1.h"
void set_var_env(t_main **vars, t_paths **var)
{
t_var_env bod;
init_set_var_env(&bod);
get_var_value(&(bod.var_value), vars);
cpy_envp(vars, (*vars)->env);
bod.temp = ft_strjoin((bod.var_value)[0], (bod.var_value)[1]);
handle_temp_env(vars, &bod);
bod.i = 0;
while ((*vars)->line[bod.i] != '\0')
{
if (exec_temp_command(vars, &bod) == 1)
break ;
}
bod.size_new_line = ft_strlen((*vars)->line) - bod.i;
bod.temp = (*vars)->line;
if (bod.size_new_line != 0)
if_temp_command(vars, var, &bod);
else
{
free((*vars)->line);
(*vars)->line = NULL;
}
}
void if_var_not_found(t_main **vars, int *cnt_env, int *i)
{
char **temp_env;
temp_env = (char**)malloc(sizeof(char*) * (*cnt_env + 2));
while ((*vars)->env[*i] != NULL)
{
temp_env[*i] = ft_strdup((*vars)->env[*i]);
(*i)++;
}
temp_env[*i] = ft_strjoin((*vars)->split_args[1], "=");
temp_env[*i] = ft_strjoin(temp_env[*i], (*vars)->split_args[2]);
temp_env[(*i) + 1] = NULL;
*i = 0;
if ((*vars)->env != NULL)
{
free((*vars)->env);
(*vars)->env = NULL;
}
(*vars)->env = temp_env;
}
void init_set_var(int *i, int *posy, int *cnt_env)
{
*i = 0;
*posy = 0;
*cnt_env = 0;
}
void set_var(t_main **vars)
{
int posy;
int cnt_env;
int i;
init_set_var(&i, &posy, &cnt_env);
while (((*vars)->env)[i] != NULL)
i++;
cnt_env = i;
i = 0;
if ((posy = find_var(vars)) == -1)
if_var_not_found(vars, &cnt_env, &i);
else if (ft_strcmp((*vars)->split_args[1], "PATH") == 0 ||
ft_strcmp((*vars)->split_args[1], "PWD") == 0 ||
ft_strcmp((*vars)->split_args[1], "OLDPWD") == 0 ||
ft_strcmp((*vars)->split_args[1], "HOME") == 0)
ft_putstr_fd("This variable cannot be altered\n", 2);
else
{
free(((*vars)->env)[posy]);
(*vars)->env[posy] = NULL;
(*vars)->env[posy] = ft_strjoin((*vars)->split_args[1], "=");
(*vars)->env[posy] =
ft_strjoin((*vars)->env[posy], (*vars)->split_args[2]);
}
}