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
|
/* unsets an environment variable */
/* */
/* Copyright (c) 2008 Hans-Christoph Steiner <hans@eds.org> */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version 3 */
/* of the License, or (at your option) any later version. */
/* */
/* See file LICENSE for further informations on licensing terms. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License */
/* along with this program; if not, write to the Free Software Foundation, */
/* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* */
/* --------------------------------------------------------------------------*/
#include "m_pd.h"
#include "s_stuff.h"
#include <string.h>
#ifdef _WIN32
#define _WIN32_WINNT 0x0400
#include <windows.h>
#include <stdio.h>
#else
#include <stdlib.h>
#endif
#define DEBUG(x)
//#define DEBUG(x) x
/*------------------------------------------------------------------------------
* CLASS DEF
*/
static t_class *unsetenv_class;
typedef struct _unsetenv {
t_object x_obj;
t_symbol* x_variable_name;
t_outlet* x_data_outlet;
} t_unsetenv;
/*------------------------------------------------------------------------------
* IMPLEMENTATION
*/
static void unsetenv_bang(t_unsetenv* x)
{
DEBUG(post("unsetenv_bang"););
#ifdef _WIN32
if(x->x_variable_name != &s_)
{
char buf[MAXPDSTRING];
strncpy(buf, x->x_variable_name->s_name, MAXPDSTRING - 1);
strcat(buf, "=");
putenv(buf);
}
#else
if(x->x_variable_name != &s_)
unsetenv(x->x_variable_name->s_name);
#endif
}
static void unsetenv_symbol(t_unsetenv* x, t_symbol *s)
{
DEBUG(post("unsetenv_bang"););
x->x_variable_name = s;
}
static void *unsetenv_new(t_symbol* s)
{
DEBUG(post("unsetenv_new"););
t_unsetenv *x = (t_unsetenv *)pd_new(unsetenv_class);
symbolinlet_new(&x->x_obj, &x->x_variable_name);
x->x_variable_name = s;
return (x);
}
void unsetenv_setup(void)
{
DEBUG(post("unsetenv_setup"););
unsetenv_class = class_new(gensym("unsetenv"),
(t_newmethod)unsetenv_new,
0,
sizeof(t_unsetenv),
0,
A_DEFSYMBOL,
0);
/* add inlet datatype methods */
class_addbang(unsetenv_class, (t_method)unsetenv_bang);
class_addsymbol(unsetenv_class, (t_method)unsetenv_symbol);
}
|