72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* expander.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/07 10:23:02 by lderidde #+# #+# */
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/* Updated: 2025/02/07 12:31:57 by lderidde ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../includes/minishell.h"
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int get_new_len(t_ast_n *node, int j)
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{
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int i;
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int len;
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i = 0;
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len = ft_strlen(node->args[j]);
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while (node->args[j][++i])
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{
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if (node->args[j][i] == '~')
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{
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len += ft_strlen(get_var_value("HOME", node->msh->env)) - 1;
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}
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}
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return (len);
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}
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void expand_tilde(t_ast_n *node, int j)
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{
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int i;
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int len;
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int save;
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char *new;
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i = -1;
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len = get_new_len(node, j);
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new = ft_calloc(len + 1, sizeof(char));
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if (!new)
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return ;
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save = len;
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len = 0;
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while (++i < save)
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{
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if (node->args[j][len] != '~')
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new[i] = node->args[j][len++];
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else
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{
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ft_strlcat(new, get_var_value("HOME", node->msh->env), -1);
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i = ft_strlen(new) - 1;
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len++;
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}
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}
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ft_free(&node->args[j]);
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node->args[j] = new;
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}
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t_ast_n *expand_node(t_ast_n *node)
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{
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int i;
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i = -1;
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while (node->args[++i])
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{
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expand_tilde(node, i);
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}
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return (node);
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}
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