nalebrun/mmoat
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

expand

Browse Source
This commit is contained in:
Loic Deridder
2025-02-07 12:35:30 +01:00
parent 4c678f767d
commit c9f64a4635
5 changed files with 102 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
srcs/expander/expander.c Normal file
View File

@@ -0,0 +1,71 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* expander.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/07 10:23:02 by lderidde #+# #+# */
/* Updated: 2025/02/07 12:31:57 by lderidde ### ########.fr */
/* */
/* ************************************************************************** */
#include "../../includes/minishell.h"
int get_new_len(t_ast_n *node, int j)
{
int i;
int len;
i = 0;
len = ft_strlen(node->args[j]);
while (node->args[j][++i])
{
if (node->args[j][i] == '~')
{
len += ft_strlen(get_var_value("HOME", node->msh->env)) - 1;
}
}
return (len);
}
void expand_tilde(t_ast_n *node, int j)
{
int i;
int len;
int save;
char *new;
i = -1;
len = get_new_len(node, j);
new = ft_calloc(len + 1, sizeof(char));
if (!new)
return ;
save = len;
len = 0;
while (++i < save)
{
if (node->args[j][len] != '~')
new[i] = node->args[j][len++];
else
{
ft_strlcat(new, get_var_value("HOME", node->msh->env), -1);
i = ft_strlen(new) - 1;
len++;
}
}
ft_free(&node->args[j]);
node->args[j] = new;
}
t_ast_n *expand_node(t_ast_n *node)
{
int i;
i = -1;
while (node->args[++i])
{
expand_tilde(node, i);
}
return (node);
}