diff options
Diffstat (limited to 'src/e_externs_pipes.c')
| -rw-r--r-- | src/e_externs_pipes.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/e_externs_pipes.c b/src/e_externs_pipes.c deleted file mode 100644 index 86c4f0d..0000000 --- a/src/e_externs_pipes.c +++ /dev/null @@ -1,172 +0,0 @@ -/* ************************************************************************** */ -/* */ -/* ::: :::::::: */ -/* e_externs_pipes.c :+: :+: :+: */ -/* +:+ +:+ +:+ */ -/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */ -/* +#+#+#+#+#+ +#+ */ -/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */ -/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */ -/* */ -/* ************************************************************************** */ - -#include <sys/wait.h> -#include <libft.h> -#include <stdlib.h> -#include <stdint.h> -#include <unistd.h> -#include <string.h> -#include <limits.h> -#include <errno.h> - -#include "d_define.h" -#include "f_fail.h" -#include "e_redirs.h" -#include "s_destroy.h" -#include "s_line.h" -#include "s_lpipes.h" -#include "s_struct.h" -#include "u_path.h" -#include "u_utils.h" - -static void - e_pipe_child(char *fullpath[], - uint8_t pipe_id, - t_com *ptr, - t_msh *msh) -{ - uint8_t bu_id; - uint8_t ret; - - e_dup_redirs(ptr, msh); - if (ft_strncmp(fullpath[pipe_id], "builtin", 8) == 0) - { - bu_id = u_get_builtin_id(ptr->bin); - ret = msh->bu_ptr[bu_id](ptr->argv + 1, msh); - u_eof_fd(msh->fd); - s_lpipes_clear(&msh->pipes); - s_line_clear(&msh->curr); - s_destroy(msh); - ft_delwords(fullpath); - exit(ret); - } - else - execve(fullpath[pipe_id], ptr->argv, msh->envp); - /* TODO: handle execve failed */ -} - -static size_t - e_get_pipes_count(struct s_lpipes *ptr) -{ - struct s_lpipes *rptr; - size_t pipes; - - rptr = ptr; - pipes = 0; - while (rptr->next != NULL) - { - rptr = rptr->next; - pipes++; - } - return (pipes); -} - -static void - e_pipe_exec_path(char *fullpath[], - struct s_lpipes *head, - t_msh *msh) -{ - int fd[256][2]; - size_t pipes; - size_t i; - size_t j; - int pid; - int status; - - /* TODO: norm, error mgmnt */ - pipes = e_get_pipes_count(head); - i = 0; - while (i < pipes) - { - pipe(fd[i]); - i++; - } - i = 0; - while (i <= pipes) - { - if ((pid = fork()) == 0) - { - if (i != 0) - dup2(fd[i - 1][E_WRITE_END], STDIN_FILENO); - if (i != pipes) - dup2(fd[i][E_READ_END], STDOUT_FILENO); - j = 0; - while (j < pipes) - { - close(fd[j][E_WRITE_END]); - close(fd[j][E_READ_END]); - j++; - } - e_pipe_child(fullpath, i, head->com, msh); - } - head = head->next; - i++; - } - i = 0; - while (i < pipes) - { - close(fd[i][E_WRITE_END]); - close(fd[i][E_READ_END]); - i++; - } - waitpid(pid, &status, 0); - msh->ret = WEXITSTATUS(status); -} - -void - e_externs_pipes(struct s_lpipes *ptr, - t_msh *msh) -{ - struct s_lpipes *head; - struct s_lpipes *rptr; - char **fullpath; - char tmp[PATH_MAX]; - size_t i; - size_t pipes; - uint8_t bu_id; - - head = ptr; - rptr = ptr; - pipes = e_get_pipes_count(head); - if ((fullpath = (char **)malloc((pipes + 2) * sizeof(char *))) == NULL) - f_alloc_and_destroy_msh(msh); - fullpath[pipes + 1] = NULL; - i = 0; - while (rptr != NULL) - { - if (ft_ischarset("/.", rptr->com->bin[0]) == TRUE) - { - if ((fullpath[i] = ft_strdup(rptr->com->bin)) == NULL) - f_alloc_and_destroy_msh(msh); - } - else - { - if ((bu_id = u_get_builtin_id(rptr->com->bin)) - < B_BUILTINS_COUNT) - { - if ((fullpath[i] = ft_strdup("builtin")) == NULL) - f_alloc_and_destroy_msh(msh); - } - else - { - u_search_in_path(tmp, rptr->com->bin, PATH_MAX, msh); - fullpath[i] = ft_strdup(tmp); - } - } - i++; - rptr = rptr->next; - } - i = 0; - e_pipe_exec_path(fullpath, head, msh); - ft_delwords(fullpath); -} |