110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* _spawn_cmd_redir_fd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/09/14 12:30:09 by maiboyer #+# #+# */
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/* Updated: 2024/10/12 17:51:28 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "app/env.h"
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#include "exec/_run_ast.h"
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#include "me/fs/fs.h"
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#include "me/os/os.h"
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#include "me/str/str.h"
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#include <sys/wait.h>
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#include <unistd.h>
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#include <errno.h>
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#include "line/line.h"
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#include "me/types.h"
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t_error _redir_input(\
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t_spawn_info *info, t_state *state, t_vec_str *fname, t_ast_node red)
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{
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t_fd *red_fd;
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if (red->data.file_redirection.op == AST_REDIR_INPUT)
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{
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(void)((info->stdin.tag == R_FD) && (close_fd(info->stdin.fd.fd), 1));
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info->stdin.tag = R_INHERITED;
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if (_ast_into_str(red->data.file_redirection.output, state, fname))
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return (ERROR);
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if (fname->len != 1)
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return (vec_str_free(*fname), ERROR);
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red_fd = open_fd(fname->buffer[0], FD_READ, O_CLOEXEC, 0);
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if (red_fd == NULL)
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return (vec_str_free(*fname), ERROR);
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info->stdin = fd(red_fd);
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}
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return (NO_ERROR);
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}
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t_error _redir_output(\
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t_spawn_info *info, t_state *state, t_vec_str *fname, t_ast_node red)
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{
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t_fd *red_fd;
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if (red->data.file_redirection.op == AST_REDIR_OUTPUT)
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{
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(void)((info->stdout.tag == R_FD) && (close_fd(info->stdout.fd.fd), 1));
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info->stdout.tag = R_INHERITED;
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if (_ast_into_str(red->data.file_redirection.output, state, fname))
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return (ERROR);
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if (fname->len != 1)
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return (vec_str_free(*fname), ERROR);
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red_fd = open_fd(fname->buffer[0], FD_WRITE, \
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O_TRUNC | O_CREAT | O_CLOEXEC, FP_ALL_READ | FP_ALL_WRITE);
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if (red_fd == NULL)
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return (vec_str_free(*fname), ERROR);
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info->stdout = fd(red_fd);
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}
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return (NO_ERROR);
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}
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t_error _redir_output_append(\
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t_spawn_info *info, t_state *state, t_vec_str *fname, t_ast_node red)
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{
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t_fd *red_fd;
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if (red->data.file_redirection.op == AST_REDIR_APPEND)
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{
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(void)((info->stdout.tag == R_FD) && (close_fd(info->stdout.fd.fd), 1));
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info->stdout.tag = R_INHERITED;
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if (_ast_into_str(red->data.file_redirection.output, state, fname))
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return (ERROR);
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if (fname->len != 1)
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return (vec_str_free(*fname), ERROR);
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red_fd = open_fd(fname->buffer[0], FD_WRITE, \
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O_TRUNC | O_CREAT | O_CLOEXEC, FP_ALL_READ | FP_ALL_WRITE);
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if (red_fd == NULL)
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return (vec_str_free(*fname), ERROR);
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info->stdout = fd(red_fd);
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}
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return (NO_ERROR);
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}
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t_error _redirection_fd(\
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t_spawn_info *info, t_state *state, t_ast_node red)
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{
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t_vec_str fname;
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fname = vec_str_new(16, str_free);
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if (_redir_input(info, state, &fname, red))
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return (ERROR);
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if (_redir_output(info, state, &fname, red))
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return (ERROR);
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if (_redir_output_append(info, state, &fname, red))
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return (ERROR);
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if (red->data.file_redirection.op == AST_REDIR_DUP_INPUT
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|| red->data.file_redirection.op == AST_REDIR_DUP_OUTPUT
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|| red->data.file_redirection.op == AST_REDIR_CLOSE_INPUT
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|| red->data.file_redirection.op == AST_REDIR_CLOSE_OUTPUT
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|| red->data.file_redirection.op == AST_REDIR_INPUT_OUTPUT
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|| red->data.file_redirection.op == AST_REDIR_OUTPUT_CLOBBER)
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return (ERROR);
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vec_str_free(fname);
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return (NO_ERROR);
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}
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