112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* here_doc.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/03/24 17:44:32 by marde-vr #+# #+# */
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/* Updated: 2024/03/24 18:41:32 by marde-vr ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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char *get_tmp_file_name(t_msh *msh)
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{
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int i;
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char *tmp_file_name;
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char *res;
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char *i_char;
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i = 0;
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tmp_file_name = ".tmp";
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i_char = ft_itoa(i);
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res = ft_strjoin(tmp_file_name, i_char);
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if (!res)
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ft_exit(msh, 1);
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free(i_char);
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while (!access(res, F_OK))
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{
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free(res);
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i_char = ft_itoa(i);
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res = ft_strjoin(tmp_file_name, i_char);
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if (!res)
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ft_exit(msh, 1);
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free(i_char);
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i++;
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}
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return (res);
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}
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int contains_newline(char *str)
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{
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int i;
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i = 0;
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if (!str)
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return (0);
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while (str[i])
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{
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if (str[i] == '\n')
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return (1);
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i++;
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}
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return (0);
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}
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void get_here_doc_input(t_msh *msh, char *eof)
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{
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char *line;
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line = NULL;
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while (1)
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{
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free(line);
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line = readline("> ");
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if (!line)
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{
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ft_printf_fd(2, "\nminishell: warning: here-document delimited by");
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ft_printf_fd(2, " end-of-file, wanted %s", eof);
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break ;
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}
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if (line && !ft_strncmp(line, eof, ft_strlen(eof)))
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break ;
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write(msh->in_fd, line, ft_strlen(line));
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write(msh->in_fd, "\n", 1);
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}
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free(eof);
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free(line);
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}
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void handle_here_doc(t_msh *msh, char *eof)
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{
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char *here_doc_file;
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int pid;
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here_doc_file = get_tmp_file_name(msh);
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msh->in_fd = open(here_doc_file, O_CREAT | O_RDWR, 0644);
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if (msh->in_fd == -1)
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{
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perror("open");
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ft_exit(msh, 1);
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}
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pid = fork();
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if (pid == 0)
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{
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get_here_doc_input(msh, eof);
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close(msh->in_fd);
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}
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else
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{
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wait(0);
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close(msh->in_fd);
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msh->in_fd = open(here_doc_file, O_RDWR, 0644);
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if (msh->in_fd == -1)
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{
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perror("open");
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ft_exit(msh, 1);
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}
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}
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}
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