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implemented outfile redirections

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mdev9
2024-02-26 21:14:15 +01:00
parent 951b043dc8
commit 4a52d92aff
4 changed files with 165 additions and 39 deletions
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101
srcs/here_doc.c Normal file
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@ -0,0 +1,101 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* here_doc.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/26 20:20:31 by marde-vr #+# #+# */
/* Updated: 2024/02/26 20:40:00 by marde-vr ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
char *get_tmp_file_name(t_msh *msh/*, int argc, char **argv*/)
{
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(tmp_file_name, i_char);
if (!res)
ft_exit(msh, 1);
free(i_char);
while (/*!ft_strncmp(res, argv[argc - 1], ft_strlen(res))
||*/ !access(res, F_OK))
{
free(res);
i_char = ft_itoa(i);
res = ft_strjoin(tmp_file_name, i_char);
if (!res)
ft_exit(msh, 1);
free(i_char);
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 get_here_doc_input(t_msh *msh, char *eof)
{
char *line;
int new_line;
line = NULL;
new_line = 1;
ft_printf_fd(1, "> ");
while (1)
{
free(line);
line = get_next_line(0);
if (!line && new_line)
{
ft_printf_fd(2, "\npipex: here-document delimited by end-of-file\n");
break ;
}
if (line && new_line && !ft_strncmp(line, eof, ft_strlen(eof)))
break ;
new_line = contains_newline(line);
if (new_line)
ft_printf_fd(1, "> ");
write(msh->in_fd, line, ft_strlen(line));
}
free(eof);
free(line);
}
void handle_here_doc(t_msh *msh, char *eof)
{
char *here_doc_file;
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)
ft_exit(msh, 2);
eof = ft_strjoin_free(eof, "\n", 1);
if (!eof)
ft_exit(msh, 1);
get_here_doc_input(msh, eof);
close(msh->in_fd);
msh->in_fd = open(here_doc_file, O_RDWR, 0644);
}