109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/09/19 17:08:46 by tmaze #+# #+# */
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/* Updated: 2020/02/07 15:11:58 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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char *inc_shlvl(char **shlvl)
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{
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char *ret;
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if ((ret = ft_itoa(ft_atoi(*shlvl) + 1)) != NULL)
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{
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ft_strdel(shlvl);
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*shlvl = ret;
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}
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return (ret);
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}
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t_env *env2lst(char **env)
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{
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t_env *ret;
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t_env *new;
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int i;
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i = 0;
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ret = NULL;
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while (env && env[i])
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{
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if ((new = ft_envnew(env[i])) != NULL)
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{
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if (ft_strequ(new->key, "SHLVL") && ft_str_is_numeric(new->val))
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inc_shlvl(&new->val);
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ft_envaddend(&ret, new);
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}
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else
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{
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ft_envdelelem(&new);
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ft_envdel(&ret);
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return (NULL);
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}
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i++;
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}
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if (i == 0 && ret == NULL && (ret = def_env()) == NULL)
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ft_printf("Env: Memory Error\n");
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return (ret);
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}
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void check_exec(char **argv, t_env *env)
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{
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int i;
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static t_builtin built[S_BIN] = {{"env", &cmd_env}, {"cd", &cmd_cd}
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, {"setenv", &cmd_setenv}, {"echo", &cmd_echo}
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, {"unsetenv", &cmd_unsetenv}};
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i = -1;
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while (++i < S_BIN)
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if (ft_strequ(argv[0], built[i].cmd))
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{
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built[i].f(argv, &env);
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break ;
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}
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if (i == S_BIN)
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exec_cmd(argv, &env);
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}
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int cleanup(char **argv, t_env *env)
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{
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ft_del_words_tables(&argv);
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ft_envdel(&env);
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return (0);
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}
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int main(int ac , char **av, char **envp)
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{
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char **argv;
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t_env *env;
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char *cmd;
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(void)ac;
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(void)av;
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if ((env = env2lst(envp)) == NULL)
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return (2);
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while (1)
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{
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ft_printf("%s$>%s ", FT_COLOR_GREEN, FT_RESET);
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if (ft_getline(&cmd) >= 0 && cmd != NULL
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&& (argv = ft_strsplit(cmd, ' ')) != NULL && !ft_strdel_null(&cmd))
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{
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if ((res_ext(argv, env)) != NULL)
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{
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if (ft_strequ(argv[0], "exit"))
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return (cleanup(argv, env));
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check_exec(argv, env);
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}
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}
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ft_strdel(&cmd);
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ft_del_words_tables(&argv);
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}
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return (0);
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}
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