1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_e_builtin.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 <stdint.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/wait.h>
#include <errno.h>
#include "ft_s_destroy.h"
#include "ft_s_lcom.h"
#include "ft_s_struct.h"
void
ft_e_builtin(const t_lcom *ptr,
uint8_t bu_id,
t_msh *msh)
{
int32_t fd;
int32_t status;
int32_t ret;
pid_t pid;
/* TODO: handle exit | bu_id = 6 */
if ((pid = fork()) == 0)
{
if (ptr->redir == -1)
{
if (ptr->redir == -1 && (fd = open(ptr->rdrpath, O_RDONLY)) == -1)
{
if (errno == ENOENT)
ft_dprintf(STDERR_FILENO,
"minishell: %s: No such file or directory\n", ptr->rdrpath);
else if (errno == EACCES)
ft_dprintf(STDERR_FILENO,
"minishell: %s: Permission denied\n", ptr->rdrpath);
}
}
else if (ptr->redir == 1)
{
if ((fd = open(ptr->rdrpath,
O_CREAT | O_TRUNC | O_WRONLY, 0644)) == -1)
{
/* TODO: handle err with errno */
if (errno == EACCES)
ft_dprintf(STDERR_FILENO,
"minishell: %s: Permission denied\n", ptr->rdrpath);
}
dup2(fd, STDOUT_FILENO);
close(fd);
}
else if (ptr->redir == 2)
{
if ((fd = open(ptr->rdrpath,
O_CREAT | O_APPEND | O_WRONLY, 0644)) == -1)
{
/* TODO: handle err with errno */
if (errno == EACCES)
ft_dprintf(STDERR_FILENO,
"minishell: %s: Permission denied\n", ptr->rdrpath);
}
dup2(fd, STDOUT_FILENO);
close(fd);
}
msh->ret = msh->bu_ptr[bu_id](ptr->args, msh);
ret = msh->ret;
ft_lcom_clear(&msh->curr);
ft_s_destroy(msh);
exit(ret);
}
else if (pid < 0)
{
/* TODO: handle fork failed */
}
else
{
while (wait(&status) != pid)
{
/* TODO: fix this unnormed syntax */
}
msh->ret = status;
}
}
|
