96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* cmd_env.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/09/20 14:33:48 by tmaze #+# #+# */
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/* Updated: 2020/01/30 15:41:08 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static void put_env(t_env *env)
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{
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t_env *it;
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it = env;
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while (it)
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{
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ft_printf("%s=", it->key);
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if (it->val)
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ft_printf("%s", it->val);
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ft_putchar('\n');
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it = it->next;
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}
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}
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t_env *envcpy(t_env *env)
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{
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t_env *cpy;
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cpy = NULL;
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if (env != NULL && (cpy = (t_env*)ft_memalloc(sizeof(t_env))) != NULL)
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if ((cpy->key = ft_strdup(env->key)) == NULL
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|| (cpy->val = ft_strdup(env->val)) == NULL)
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ft_envdelelem(&cpy);
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return (cpy);
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}
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int env_cleanup(t_env *env_cp, int code)
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{
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ft_envdel(&env_cp);
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if (code == 2)
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ft_putstr_fd("minishell: env: Env copy error\n", 2);
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return (code);
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}
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t_env *inline_env(char **argv, int *i, t_env **env_cp)
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{
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t_env *new;
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while (ft_strchr(argv[*i], '='))
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{
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if ((new = ft_envnew(argv[*i])) == NULL)
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{
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ft_printf("env: memory error\n");
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ft_envdel(env_cp);
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break ;
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}
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ft_envaddend(env_cp, new);
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(*i)++;
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}
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return (*env_cp);
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}
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int cmd_env(char **argv, t_env **env)
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{
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int i;
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t_env *it;
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t_env *new;
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t_env *env_cp;
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i = 1;
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if (!(env_cp = NULL) && !ft_strequ(argv[i], "-i") && (env != NULL))
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{
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it = *env;
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while (it)
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{
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if ((new = envcpy(it)) == NULL)
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return (env_cleanup(env_cp, 2));
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ft_envaddend(&env_cp, new);
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it = it->next;
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}
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}
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else if (ft_strequ(argv[i], "-i"))
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i++;
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inline_env(argv, &i, &env_cp);
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if (argv[i])
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exec_cmd(argv + i, &env_cp);
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else
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put_env(env_cp);
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return (env_cleanup(env_cp, 0));
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}
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