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84 lines
1.8 KiB
84 lines
1.8 KiB
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* env.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/02/16 09:41:29 by narnaud #+# #+# */
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/* Updated: 2022/05/03 18:17:46 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int ft_unset(char **argv)
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{
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if (!argv[1])
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{
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//read(input_fd, PIPE_MAX_SIZE);
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return (1);
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}
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return (0);
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}
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int ft_env(char **argv)
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{
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(void)argv;
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int i;
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i = 0;
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while (g_env[i])
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{
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printf("%s\n", g_env[i]);
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i++;
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}
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return (0);
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}
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int is_valid_identifier(char *ident)
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{
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if (ft_isalpha(ident[0]) || ident[0] == '_')
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{
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while (*ident)
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{
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if (!ft_isalpha(*ident) && !ft_isdigit(*ident) && *ident != '_')
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return (0);
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ident++;
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}
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return (1);
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}
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return (0);
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}
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int ft_export(char **argv)
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{
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char **new;
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char **env;
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int i;
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i = 0;
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new = ft_split(argv[1], '=');
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if (!is_valid_identifier(new[0]))
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{
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printf ("export: not an identifier: %s\n", new[0]);
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return (0);
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}
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while (g_env[i])
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{
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env = ft_split(g_env[i], '=');
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if (!ft_strncmp(new[0], env[0], ft_strlen(new[0]) + 1))
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{
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g_env[i] = argv[1];
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return (1);
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}
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i++;
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}
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g_env[i] = argv[1];
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g_env[i + 1] = NULL;
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return (1);
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}
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