93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* expand_tilde.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: lderidde <lderidde@student.s19.be> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2025/02/07 12:56:32 by lderidde #+# #+# */
|
|
/* Updated: 2025/02/08 13:15:52 by lderidde ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "../../includes/minishell.h"
|
|
|
|
static int get_nw_len(t_ast_n *node, int j)
|
|
{
|
|
int i;
|
|
int len;
|
|
|
|
i = -1;
|
|
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);
|
|
}
|
|
|
|
size_t ft_astrlcat(char *dst, const char *src, size_t dstsize)
|
|
{
|
|
size_t dst_len;
|
|
size_t src_len;
|
|
size_t i;
|
|
|
|
if (!dst || !src)
|
|
return (0);
|
|
dst_len = ft_strlen(dst);
|
|
src_len = ft_strlen(src);
|
|
if (dstsize <= dst_len)
|
|
return (dstsize + src_len);
|
|
i = -1;
|
|
while (src[++i] && (dst_len + i) < (dstsize - 1))
|
|
dst[dst_len + i] = src[i];
|
|
dst[dst_len + i] = '\0';
|
|
return (dst_len + src_len);
|
|
}
|
|
|
|
void expander_tilde(t_ast_n *node, int j)
|
|
{
|
|
int i;
|
|
int len;
|
|
int save;
|
|
char *new;
|
|
|
|
i = -1;
|
|
len = get_nw_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_astrlcat(new, get_var_value("HOME", node->msh->env), -1);
|
|
i = ft_strlen(new) - 1;
|
|
len++;
|
|
}
|
|
}
|
|
ft_free(&node->args[j]);
|
|
node->args[j] = new;
|
|
}
|
|
|
|
int expand_tilde(t_ast_n *node, int j)
|
|
{
|
|
int i;
|
|
|
|
i = 0;
|
|
while (node->args[j][i])
|
|
{
|
|
if (node->args[j][i] == '~')
|
|
return (expander_tilde(node, j), 1);
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|