-
Notifications
You must be signed in to change notification settings - Fork 0
/
handle_error_bultins.c
186 lines (156 loc) · 3.21 KB
/
handle_error_bultins.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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
#include "shell.h"
char *env_error(char **args);
char *alias_error(char **args);
char *exit_error(char **args);
char *cd_error(char **args);
char *syntax_error(char **args);
/**
* env_error - This function displays an error message
* related to shell_environment.
*
* @args: An array of arguments.
*
* Return: The error msg
*/
char *env_error(char **args)
{
char *err, *h_str;
int length;
h_str = _atoi(hist);
if (!h_str)
return (NULL);
args--;
length = _strlen(name) + _strlen(h_str) + _strlen(args[0]) + 45;
err = malloc(sizeof(char) * (length + 1));
if (!err)
{
free(h_str);
return (NULL);
}
_strcpy(err, name);
_strcat(err, ": ");
_strcat(err, h_str);
_strcat(err, ": ");
_strcat(err, args[0]);
_strcat(err, ": Failed to add or remove from the environment\n");
free(h_str);
return (err);
}
/**
* alias_error - This function displays an error message
* related to shell alias handling
*
* @args: An array of arguments
*
* Return: The error msg
*/
char *alias_error(char **args)
{
char *err;
int length;
length = _strlen(name) + _strlen(args[0]) + 13;
err = malloc(sizeof(char) * (length + 1));
if (!err)
return (NULL);
_strcpy(err, "alias: ");
_strcat(err, args[0]);
_strcat(err, " Command not found\n");
return (err);
}
/**
* exit_error - This function displays an error message
* related to shell_exit.
*
* @args: An array of arguments
*
* Return: The error msg.
*/
char *exit_error(char **args)
{
char *err, *h_str;
int length;
h_str = _atoi(hist);
if (!h_str)
return (NULL);
length = _strlen(name) + _strlen(h_str) + _strlen(args[0]) + 27;
err = malloc(sizeof(char) * (length + 1));
if (!err)
{
free(h_str);
return (NULL);
}
_strcpy(err, name);
_strcat(err, ": ");
_strcat(err, h_str);
_strcat(err, ": exit: Illegal number: ");
_strcat(err, args[0]);
_strcat(err, "\n");
free(h_str);
return (err);
}
/**
* cd_error - This function displays an error message
* related to changing directories in the shell.
*
* @args: An array of arguments
*
* Return: The error msg.
*/
char *cd_error(char **args)
{
char *err, *h_str;
int length;
h_str = _atoi(hist);
if (!h_str)
return (NULL);
if (args[0][0] == '-')
args[0][2] = '\0';
length = _strlen(name) + _strlen(h_str) + _strlen(args[0]) + 24;
err = malloc(sizeof(char) * (length + 1));
if (!err)
{
free(h_str);
return (NULL);
}
_strcpy(err, name);
_strcat(err, ": ");
_strcat(err, h_str);
if (args[0][0] == '-')
_strcat(err, ": cd: No directory found");
else
_strcat(err, ": cd: can not cd to ");
_strcat(err, args[0]);
_strcat(err, "\n");
free(h_str);
return (err);
}
/**
* syntax_error - This function displays an error message for syntax errors.
*
* @args: An array of arguments
*
* Return: The error msg.
*/
char *syntax_error(char **args)
{
char *err, *h_str;
int length;
h_str = _atoi(hist);
if (!h_str)
return (NULL);
length = _strlen(name) + _strlen(h_str) + _strlen(args[0]) + 33;
err = malloc(sizeof(char) * (length + 1));
if (!err)
{
free(h_str);
return (NULL);
}
_strcpy(err, name);
_strcat(err, ": ");
_strcat(err, h_str);
_strcat(err, ": Syntax error!: \"");
_strcat(err, args[0]);
_strcat(err, "\" Not correct\n");
free(h_str);
return (err);
}