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
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* b_alias.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 <stdint.h>
#include <unistd.h>
#include <limits.h>
#include "d_define.h"
#include "s_struct.h"
#include "u_alias.h"
#include "u_utils.h"
static void
b_print_alias_list(t_msh *msh)
{
t_lalias *ptr;
size_t i;
/* char buff[255][255][ARG_MAX]; */
ptr = msh->alias;
while (ptr != NULL)
{
ft_printf("alias %s='%s'\n", ptr->name, ptr->val);
ptr = ptr->next;
}
}
static uint8_t
b_print_arg(const char arg[], t_msh *msh)
{
char *ptr;
char val[ARG_MAX];
t_bool invalid;
ptr = (char*)arg;
invalid = FALSE;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
if (ft_iswhitespace(*ptr) == TRUE)
invalid = TRUE;
ptr++;
}
if (*ptr == C_NUL)
{
if (u_get_alias_value(val, arg, ARG_MAX, msh) != 0)
{
ft_printf("alias %s='%s'", arg, val);
return (0);
}
else
{
ft_dprintf(STDERR_FILENO, "minishell: alias: %s: not found\n", arg);
return (1);
}
}
else if (*ptr == C_EQUALS && invalid == TRUE)
{
ft_strlcpy(val, arg, ptr - arg);
ft_dprintf(STDERR_FILENO,
"minishell: alias: `%s': invalid alias name\n",
val);
return (1);
}
return (0);
}
static void
b_register_arg(const char arg[], t_msh *msh)
{
char *ptr;
char name[255];
char value[ARG_MAX];
ptr = (char*)arg;
while (*ptr != C_NUL && *ptr != C_EQUALS)
{
ptr++;
}
if (*ptr == C_EQUALS)
{
ft_strlcpy(name, arg, (ptr - arg < 255) ? ((ptr - arg) + 1) : (255));
ptr += 1;
ft_strlcpy(value, ptr, ARG_MAX);
u_set_alias_value(name, value, msh);
}
}
uint8_t
b_alias(char *args[], t_msh *msh)
{
const uint64_t argc = u_builtins_get_argc((const char**)args);
int32_t i;
uint8_t ret;
ret = 0;
if (argc == 0)
{
b_print_alias_list(msh);
}
if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
if (b_print_arg(args[i], msh) != 0)
{
ret = 1;
}
i++;
}
}
return (ret);
}
void
b_alias_mute(char *args[], t_msh *msh)
{
const uint64_t argc = u_builtins_get_argc((const char**)args);
int32_t i;
if (argc > 0)
{
i = 0;
while (args[i] != NULL)
{
b_register_arg(args[i], msh);
i++;
}
}
}
|
