-
Notifications
You must be signed in to change notification settings - Fork 0
/
ft_do_cd.c
143 lines (133 loc) · 3.43 KB
/
ft_do_cd.c
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_do_cd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cfriot <cfriot@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/01/23 19:16:20 by cfriot #+# #+# */
/* Updated: 2015/04/28 15:01:11 by cfriot ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_sh1.h"
t_magic *ft_go_home(t_magic *magic)
{
char *home;
int pwd;
int access;
pwd = ft_wline(magic->env, "PWD");
home = ft_get_home(magic->env);
if ((access = ft_check_access_cd(home, "")) == 0)
{
if (chdir(home) == 0)
{
magic = ft_set_oldpwd(magic);
if (pwd >= 0)
{
free(magic->env[pwd]);
magic->env[pwd] = ft_strjoin("PWD=", getcwd(NULL, 0));
}
}
free(magic->pwd);
magic->pwd = ft_get_pwd();
}
else if (ft_strlen(home) > 0)
ft_parse_error_cd(access, home);
return (magic);
}
t_magic *ft_cd_return(t_magic *magic)
{
char *oldpwd;
int pwd;
pwd = ft_wline(magic->env, "PWD");
oldpwd = magic->oldpwd;
if (oldpwd)
{
if ((ft_check_access_cd(oldpwd, "")) == 0)
{
if (chdir(oldpwd) == 0)
{
magic = ft_set_oldpwd(magic);
if (pwd >= 0)
{
free(magic->env[pwd]);
magic->env[pwd] = ft_strjoin("PWD=", getcwd(NULL, 0));
}
}
free(magic->pwd);
magic->pwd = ft_get_pwd();
}
else
ft_parse_error_cd(ft_check_access_cd(oldpwd, ""), oldpwd);
}
return (magic);
}
t_magic *ft_do_cd_path(t_magic *magic, char **info)
{
int pwd;
char *path;
int access;
pwd = ft_wline(magic->env, "PWD");
path = ft_strjoin(getcwd(NULL, 0), "/");
if ((access = ft_check_access_cd(path, info[1])) == 0)
{
if (chdir(info[1]) == 0)
{
magic = ft_set_oldpwd(magic);
if (pwd >= 0)
{
free(magic->env[pwd]);
magic->env[pwd] = ft_strjoin("PWD=", getcwd(NULL, 0));
}
}
free(magic->pwd);
magic->pwd = ft_get_pwd();
}
else
ft_parse_error_cd(access, info[1]);
return (magic);
}
t_magic *ft_go_from_home(t_magic *magic, char **info)
{
int pwd;
char *path;
int access;
pwd = ft_wline(magic->env, "PWD");
path = ft_get_home(magic->env);
if ((access = ft_check_access_cd(path, &info[1][1])) == 0)
{
if (chdir(ft_strjoin(path, &info[1][1])) == 0)
{
magic = ft_set_oldpwd(magic);
if (pwd >= 0)
{
free(magic->env[pwd]);
magic->env[pwd] = ft_strjoin("PWD=", getcwd(NULL, 0));
}
}
free(magic->pwd);
magic->pwd = ft_get_pwd();
}
else
ft_parse_error_cd(access, info[1]);
return (magic);
}
t_magic *do_cd(t_magic *magic, char **info)
{
if (ft_lentab(info) == 1 || ft_strcmp(info[1], "~") == 0)
magic = ft_go_home(magic);
else if (ft_lentab(info) == 2)
{
if (ft_strcmp(info[1], "-") == 0)
magic = ft_cd_return(magic);
else if (info[1][0] != '~')
magic = ft_do_cd_path(magic, info);
else
magic = ft_go_from_home(magic, info);
}
else if (ft_lentab(info) == 3)
magic = ft_double_cd(magic, info);
else
ft_putendl("command unknow");
return (magic);
}