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
|
/*
* Copyright (c) 1992 The Regents of the University of Texas System.
* Copyright (c) 1993 The Regents of the University of Texas System.
* Copyright (c) 1994 The Regents of the University of Texas System.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted provided
* that the above copyright notice and this paragraph are duplicated in all
* such forms and that any documentation, advertising materials, and other
* materials related to such distribution and use acknowledge that the
* software was developed by the University of Texas. The name of the
* University may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1993 The Regents of the University of Texas System.\n\
All rights reserved.\n";
static char rcsid[] =
"$Id: callback.c,v 1.1 1994/03/14 18:55:53 jones Exp $\n";
static char rcspath[] =
"$Source: /mintaka/u0/xx/ss/jones/jones.old/mftp.src/mftpnew/RCS/callback.c,v $\n";
#endif
/* $Log: callback.c,v $
* Revision 1.1 1994/03/14 18:55:53 jones
* Initial revision
*
*/
#include "machine.h"
#include "defs.h"
struct _callback *
link_callback(old, callback, data, cb)
struct _callback *old;
void (*callback)();
DATA data;
struct _callback *cb;
{
struct _callback *new;
struct _callback *xx = old;
if (callback == NULL && old == NULL) return NULL;
if (xx == NULL) {
xx = (struct _callback *)XtMalloc(sizeof(struct _callback));
ZERO((char *)xx, sizeof(struct _callback));
xx->last = NULL;
xx->next = NULL;
new = xx;
} else {
new = (struct _callback *)XtMalloc(sizeof(struct _callback));
ZERO((char *)new, sizeof(struct _callback));
if (xx->last == NULL) {
xx->last = new;
xx->next = new;
} else {
xx->last->next = new;
xx->last= new;
}
}
new->callback = callback;
new->data = data;
new->cb = cb;
return new;
}
void
do_callbacks(code, cbp)
int code;
struct _callback *cbp;
{
struct _callback *next;
struct _callback *prev;
if (cbp == NULL) return;
next = prev = cbp;
while (next) {
next->callback(next->data, code, next->cb);
next = next->next;
XtFree((char *)prev);
prev = next;
}
}
|
