67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* builtin_setenv.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/28 14:25:17 by jhalford #+# #+# */
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/* Updated: 2017/03/24 23:14:52 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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#define SETERR_0 "%s: not an identifier: %s"
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static int assign_var(char *const av[], char ***env)
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{
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char *str;
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int i;
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i = -1;
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str = ft_str3join(av[1], "=", av[2]);
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while ((*env) && (*env)[++i])
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{
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if (ft_strcmp((*env)[i], av[1]) == '='
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&& ft_strlen(av[1]) == ft_strlenchr((*env)[i], '='))
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{
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ft_strdel(&(*env)[i]);
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(*env)[i] = str;
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return (0);
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}
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}
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*env = ft_sstradd(*env, str);
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ft_strdel(&str);
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return (0);
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}
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int builtin_setenv(const char *path,
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char *const av[], char *const envp[])
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{
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char ***env;
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char *esc;
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int ret;
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(void)path;
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(void)envp;
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if (!av || !av[0])
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return (1);
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env = (ft_strcmp(av[0], "local") == 0) ? &data_singleton()->local_var :
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&data_singleton()->env;
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if (!av[1])
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{
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ft_sstrprint(*env, '\n');
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ft_putchar('\n');
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}
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else
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{
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esc = ft_strnew((ft_strlen(av[1]) >> 3) + 1);
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ret = word_is_assignment((char *[]){av[1], (esc + 1)});
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ft_strdel(&esc);
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if (!ret && ft_strcmp(av[1], "?"))
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return (SH_ERR(SETERR_0, av[0], av[1]));
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assign_var(av, env);
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}
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return (0);
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}
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