147 lines
3.4 KiB
C
147 lines
3.4 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* here_doc.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/03/24 17:44:32 by marde-vr #+# #+# */
|
|
/* Updated: 2024/03/25 19:14:46 by tomoron ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "minishell.h"
|
|
|
|
char *get_tmp_file_name(t_msh *msh)
|
|
{
|
|
int i;
|
|
char *tmp_file_name;
|
|
char *res;
|
|
char *i_char;
|
|
|
|
i = 0;
|
|
tmp_file_name = ".tmp";
|
|
i_char = ft_itoa(i);
|
|
res = ft_strjoin_free(tmp_file_name, i_char, 2);
|
|
if (!res)
|
|
ft_exit(msh, 1);
|
|
while (!access(res, F_OK))
|
|
{
|
|
free(res);
|
|
i_char = ft_itoa(i);
|
|
res = ft_strjoin_free(tmp_file_name, i_char, 2);
|
|
if (!res)
|
|
ft_exit(msh, 1);
|
|
i++;
|
|
}
|
|
return (res);
|
|
}
|
|
|
|
int contains_newline(char *str)
|
|
{
|
|
int i;
|
|
|
|
i = 0;
|
|
if (!str)
|
|
return (0);
|
|
while (str[i])
|
|
{
|
|
if (str[i] == '\n')
|
|
return (1);
|
|
i++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void parse_var(t_msh *msh, char *line)
|
|
{
|
|
char *var_name;
|
|
|
|
while(*line)
|
|
{
|
|
if(*line == '$')
|
|
{
|
|
var_name = get_var_name(line + 1);
|
|
if(!var_name)
|
|
return;
|
|
line += ft_strlen(var_name);
|
|
if(!*var_name)
|
|
write(msh->in_fd, "$", 1);
|
|
else if(!ft_strcmp(var_name, "?"))
|
|
ft_putnbr_fd(g_return_code, msh->in_fd);
|
|
else
|
|
ft_putstr_fd(ft_get_env(msh->env, var_name), msh->in_fd);
|
|
free(var_name);
|
|
}
|
|
else
|
|
write(msh->in_fd, line, 1);
|
|
line++;
|
|
}
|
|
}
|
|
|
|
void get_here_doc_input(t_msh *msh, char *eof)
|
|
{
|
|
char *line;
|
|
|
|
line = NULL;
|
|
signal(SIGINT, signal_handler_here_doc);
|
|
signal(SIGQUIT, signal_handler_here_doc);
|
|
while (1)
|
|
{
|
|
free(line);
|
|
line = readline("> ");
|
|
if (!line)
|
|
{
|
|
ft_printf_fd(2, "\nminishell: warning: here-document delimited by");
|
|
ft_printf_fd(2, " end-of-file, wanted %s", eof);
|
|
break ;
|
|
}
|
|
if (line && !ft_strncmp(line, eof, ft_strlen(eof)))
|
|
break ;
|
|
parse_var(msh, line);
|
|
write(msh->in_fd, "\n", 1);
|
|
}
|
|
free(line);
|
|
}
|
|
|
|
void handle_here_doc(t_msh *msh, char *eof)
|
|
{
|
|
char *here_doc_file;
|
|
int pid;
|
|
int status;
|
|
|
|
here_doc_file = get_tmp_file_name(msh);
|
|
msh->in_fd = open(here_doc_file, O_CREAT | O_RDWR, 0644);
|
|
if (msh->in_fd == -1)
|
|
{
|
|
perror("open");
|
|
ft_exit(msh, 1);
|
|
}
|
|
pid = fork();
|
|
if (pid == 0)
|
|
{
|
|
here_doc_variables(1, 0, msh);
|
|
here_doc_variables(1, 1, here_doc_file);
|
|
get_here_doc_input(msh, eof);
|
|
close(msh->in_fd);
|
|
free(here_doc_file);
|
|
free(msh->fds[0]);
|
|
ft_exit(msh, 0);
|
|
}
|
|
else
|
|
{
|
|
signal(SIGINT, signal_handler_command);
|
|
signal(SIGQUIT, signal_handler_command);
|
|
waitpid(pid, &status , 0);
|
|
signal(SIGINT, signal_handler_interactive);
|
|
signal(SIGQUIT, signal_handler_interactive);
|
|
close(msh->in_fd);
|
|
if(WIFEXITED(status) && WEXITSTATUS(status))
|
|
unlink(here_doc_file);
|
|
msh->in_fd = open(here_doc_file, O_RDWR, 0644);
|
|
free(here_doc_file);
|
|
if (msh->in_fd == -1 && !(WIFEXITED(status) && WEXITSTATUS(status)))
|
|
perror("open");
|
|
}
|
|
}
|