53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* :::::::: */
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/* builtin_export.c :+: :+: */
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/* +:+ */
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/* By: whaffman <whaffman@student.codam.nl> +#+ */
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/* +#+ */
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/* Created: 2025/02/20 11:32:53 by whaffman #+# #+# */
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/* Updated: 2025/03/04 16:41:06 by whaffman ######## odam.nl */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static int ft_isvalid_identifier(char *str)
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{
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if (ft_isalpha(*str) == FALSE && *str != '_')
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return (FALSE);
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while (*str != '\0')
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{
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if (ft_isalnum(*str) == FALSE && *str != '_')
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return (FALSE);
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str++;
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}
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return (TRUE);
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}
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int builtin_export(t_minishell *msh, t_command *cmd)
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{
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char *err;
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char **arr;
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int i;
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i = 0;
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arr = NULL;
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if (cmd->args[1] == NULL)
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environment_print(msh, TRUE);
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while (cmd->args[++i] != NULL)
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{
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arr = ft_split_safe(msh, cmd->args[i], '=');
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if (arr != NULL && arr[0] != NULL && ft_isvalid_identifier(arr[0]) == TRUE)
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environment_update(msh, arr[0], arr[1]);
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else
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{
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err = ft_strjoin_safe(msh, cmd->args[1], ": not a valid identifier");
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error_msg("export", err);
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return (ft_free_arr_safe(msh, arr), EXIT_FAILURE);
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}
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ft_free_arr_safe(msh, arr);
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}
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return (EXIT_SUCCESS);
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}
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