minishell/src/postprocess/expansion/expand_vars.c

61 lines
2.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* expand_vars.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: khais <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/04/01 13:34:51 by khais #+# #+# */
/* Updated: 2025/04/21 08:15:45 by khais ### ########.fr */
/* */
/* ************************************************************************** */
#include "expand_vars.h"
#include "../../ft_errno.h"
#include "../../subst/subst.h"
#include "../../parser/redirect/redirect.h"
#include "../../parser/cmd/cmd_destroy.h"
static t_redirect *redirection_var_expansion(t_redirect *redirects,
t_minishell *app)
{
t_redirect *in_list;
t_redirect *out_list;
t_redirect *current;
in_list = redirects;
out_list = NULL;
(void)app;
while (in_list)
{
current = redirect_pop(&in_list);
if (current->type != FT_HEREDOC)
{
current->redirectee.filename
= word_var_expansion(current->redirectee.filename, app);
if (current->redirectee.filename == NULL
&& ft_errno_get() != FT_ESUCCESS)
{
redirect_destroy(in_list);
redirect_destroy(out_list);
return (redirect_destroy(current), NULL);
}
}
out_list = t_redirect_add_back(&out_list, current);
}
return (out_list);
}
t_simple_cmd *simple_cmd_expand_vars(t_simple_cmd *cmd, t_minishell *app)
{
if (cmd == NULL)
return (NULL);
cmd->words = wordlist_var_expansion(cmd->words, app);
if (cmd->words == NULL)
return (NULL);
ft_errno(FT_ESUCCESS);
cmd->redirections = redirection_var_expansion(cmd->redirections, app);
if (cmd->redirections == NULL && ft_errno_get() != FT_ESUCCESS)
return (NULL);
return (cmd);
}