minishell/srcs/main.c

155 lines
3.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2018/11/18 13:09:55 by tmaze #+# #+# */
/* Updated: 2019/01/08 18:33:40 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char **ft_strtabcpy(char **tab)
{
char **ret;
size_t size_tab;
size_tab = 0;
while (tab[size_tab])
size_tab++;
if ((ret = (char**)ft_memalloc(sizeof(char*) * size_tab)) == NULL)
return (NULL);
size_tab = 0;
while (tab[size_tab])
{
if ((ret[size_tab] = ft_strdup(tab[size_tab])) == NULL)
{
ft_del_words_tables(&ret);
break ;
}
size_tab++;
}
return (ret);
}
void ft_lstdelstr(void *content, size_t content_size)
{
content_size = 0;
ft_strdel((void*)&content);
}
t_list *ft_strtabtolst(char **tab)
{
t_list *ret;
t_list *new;
size_t i;
i = 0;
ret = NULL;
while (tab[i])
{
if ((new = ft_lstnew(tab[i], ft_strlen(tab[i]))) == NULL)
{
ft_lstdel(&ret, &ft_lstdelstr);
return (NULL);
}
ft_lstaddend(&ret, new);
i++;
}
return (ret);
}
t_envelem *ft_envtoenvelem(char *env)
{
size_t i;
t_envelem *ret;
i = 0;
if ((ret = (t_envelem*)ft_memalloc(sizeof(t_envelem))) == NULL)
return (NULL);
while (env[i] && env[i] != '=')
i++;
if ((ret->key = (char*)ft_strnew(i)) = NULL)
{
ft_memdel((void**)&ret);
return (NULL);
}
if ((ret->value = (char*)ft_strnew(ft_strlen(ft_strrlen(env) - i - 1))) = NULL)
{
ft_memdel((void**)&ret);
return (NULL);
}
ft_strlcpy(ret->key, env, i);
ft_strlcpy(ret->key, env + i + 1, ft_strrlen(env) - i - 1);
return (&ret);
}
t_list *ft_envtolst(char **env)
{
}
int main(void)
{
char *cmd;
char **myenv;
char **tab_cmd;
t_list *lst_env;
int ret;
extern char **environ;
lst_env = NULL;
if ((myenv = ft_strtabcpy(environ)) == NULL)
{
ft_putendl("error alloc");
return (2);
}
if ((lst_env = ft_strtabtolst(myenv)) == NULL)
{
ft_del_words_tables(&myenv);
ft_putendl("error alloc 2");
return (2);
}
ft_del_words_tables(&myenv);
while (1)
{
ret = 0;
ft_putstr(FT_COLOR_GREEN);
ft_putstr("$> ");
ft_putstr(FT_RESET);
ret = get_next_line(1, &cmd);
if (ret == -1)
{
ft_lstdel(&lst_env, &ft_lstdelstr);
ft_strdel(&cmd);
return (2);
}
if (ft_strcmp("exit", cmd) == 0)
{
ft_lstdel(&lst_env, &ft_lstdelstr);
ft_strdel(&cmd);
return (0);
}
else if ((tab_cmd = ft_strsplit(cmd, ' ')) == NULL)
{
ft_lstdel(&lst_env, &ft_lstdelstr);
ft_strdel(&cmd);
ft_putendl("error split");
return (2);
}
if ((ret = fork()) == 0)
exit(exec_cmd(tab_cmd, myenv));
else
{
waitpid(ret, NULL, 0);
ft_strdel(&cmd);
ft_del_words_tables(&tab_cmd);
}
}
ft_lstdel(&lst_env, &ft_lstdelstr);
return (0);
}