42-archive/42sh/src/builtin/builtin_setenv.c

46 lines
1.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtin_setenv.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/28 14:25:17 by jhalford #+# #+# */
/* Updated: 2016/12/07 16:29:11 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int builtin_setenv(char **av, t_data *data)
{
char *str;
char **env;
env = data->env;
DG("doing setenv now");
if (ft_strcmp(av[0], "setenv") == 0)
av++;
if (!av[0])
{
ft_sstrprint(data->env, '\n');
ft_putchar('\n');
}
else
{
str = ft_str3join(av[0], "=", av[1]);
while (*env)
{
if (ft_strcmp(*env, av[0]) == '=')
{
ft_strdel(env);
*env = str;
return (0);
}
env++;
}
data->env = ft_sstradd(data->env, str);
ft_strdel(&str);
}
return (0);
}