42-archive/42sh/src/builtin/builtin_setenv.c
Jack Halford 88598b049a merge
2017-03-20 15:35:39 +01:00

57 lines
1.7 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtin_setenv.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/28 14:25:17 by jhalford #+# #+# */
/* Updated: 2017/03/20 15:35:09 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static int assign_var(char *const av[], char ***env)
{
char *str;
int i;
i = -1;
str = ft_str3join(av[1], "=", av[2]);
while ((*env) && (*env)[++i])
{
if (ft_strcmp((*env)[i], av[1]) == '='
&& ft_strlen(av[1]) == ft_strlenchr((*env)[i], '='))
{
ft_strdel(&(*env)[i]);
(*env)[i] = str;
return (0);
}
}
*env = ft_sstradd(*env, str);
ft_strdel(&str);
return (0);
}
int builtin_setenv(const char *path,
char *const av[], char *const envp[])
{
char ***env;
(void)path;
if (!av || !av[0])
return (builtin_return_status(0, 1));
if (ft_strcmp(av[0], "local") == 0)
env = &data_singleton()->local_var;
else
env = &data_singleton()->env;
if (!av[1])
{
ft_sstrprint(*env, '\n');
ft_putchar('\n');
}
else
assign_var(av, env);
return (envp ? builtin_return_status(0, 0) : 0);
}