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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* e_pipes_next.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 <libft.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include "e_redirs.h"
#include "e_unshebanged.h"
#include "f_fail.h"
#include "s_com.h"
#include "s_destroy.h"
#include "s_line.h"
#include "s_lpipes.h"
#include "s_struct.h"
#include "u_utils.h"
#include "u_utils.h"
static void e_fullpath_not_found(t_com *ptr, t_msh *msh)
{
f_command_not_found(ptr->bin);
u_eof_fd(msh->fd);
s_com_destroy(&msh->com);
s_lpipes_clear(&msh->pipes);
s_line_clear(&msh->curr);
s_destroy(msh);
exit(127);
}
static void e_exec_child(const char fullpath[], t_com *ptr, t_msh *msh)
{
if (execve(fullpath, ptr->argv, msh->envp) == -1)
{
if (errno != ENOEXEC)
{
f_exec(fullpath, ptr->bin);
u_eof_fd(msh->fd);
s_com_destroy(&msh->com);
s_lpipes_clear(&msh->pipes);
s_line_clear(&msh->curr);
s_destroy(msh);
exit(errno);
}
e_extern_read_script(fullpath, ptr, msh, FALSE);
}
}
void e_pipe_child(char fullpath[],
unsigned char fp_ret,
t_com *ptr,
t_msh *msh)
{
unsigned char bu_id;
unsigned char ret;
e_dup_redirs(ptr, msh);
if (ft_strncmp(fullpath, "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_com_destroy(&msh->com);
s_lpipes_clear(&msh->pipes);
s_line_clear(&msh->curr);
s_destroy(msh);
exit(ret);
}
else
{
if (fp_ret == 2)
e_fullpath_not_found(ptr, msh);
e_exec_child(fullpath, ptr, msh);
}
}
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);
}
void e_close_unused_fds(int fd[256][2], size_t pipes)
{
size_t i;
i = 0;
while (i < pipes && i < 255)
{
close(fd[i][E_WRITE_END]);
close(fd[i][E_READ_END]);
i++;
}
}
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