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
|
/* $XConsortium: mlist.c,v 2.10 91/01/06 21:08:51 rws Exp $" */
/*
* COPYRIGHT 1987
* DIGITAL EQUIPMENT CORPORATION
* MAYNARD, MASSACHUSETTS
* ALL RIGHTS RESERVED.
*
* THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND
* SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
* DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR
* ANY PURPOSE. IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
*
* IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
* RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN
* ADDITION TO THAT SET FORTH ABOVE.
*
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Digital Equipment Corporation not be
* used in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*/
/* $XFree86$ */
/* mlist.c -- functions to deal with message lists. */
#include "xmh.h"
/* Create a message list containing no messages. */
MsgList MakeNullMsgList(void)
{
MsgList mlist;
mlist = XtNew(MsgListRec);
mlist->nummsgs = 0;
mlist->msglist = XtNew(Msg);
mlist->msglist[0] = NULL;
return mlist;
}
/* Append a message to the given message list. */
void AppendMsgList(MsgList mlist, Msg msg)
{
mlist->nummsgs++;
mlist->msglist = XtReallocArray(mlist->msglist,
(unsigned) (mlist->nummsgs + 1), sizeof(Msg));
mlist->msglist[mlist->nummsgs - 1] = msg;
mlist->msglist[mlist->nummsgs] = NULL;
}
/* Delete a message from a message list. */
void DeleteMsgFromMsgList(MsgList mlist, Msg msg)
{
int i;
for (i=0 ; i<mlist->nummsgs ; i++) {
if (mlist->msglist[i] == msg) {
mlist->nummsgs--;
for (; i<mlist->nummsgs ; i++)
mlist->msglist[i] = mlist->msglist[i+1];
return;
}
}
}
/* Create a new messages list containing only the one given message. */
MsgList MakeSingleMsgList(Msg msg)
{
MsgList result;
result = MakeNullMsgList();
AppendMsgList(result, msg);
return result;
}
/* We're done with this message list; free it's storage. */
void FreeMsgList(MsgList mlist)
{
XtFree((char *) mlist->msglist);
XtFree((char *) mlist);
}
/* Parse the given string into a message list. The string contains mh-style
message numbers. This routine assumes those messages numbers refer to
messages in the given toc. */
MsgList StringToMsgList(Toc toc, char *str)
{
MsgList mlist;
char *ptr;
int first, second, i;
Msg msg;
mlist = MakeNullMsgList();
while (*str) {
while (*str == ' ')
str++;
first = second = atoi(str);
str++;
for (ptr = str; *ptr >= '0' && *ptr <= '9'; ptr++) ;
if (*ptr == '-')
second = atoi(ptr + 1);
if (first > 0) {
for (i = first; i <= second; i++) {
msg = TocMsgFromId(toc, i);
if (msg) AppendMsgList(mlist, msg);
}
}
str = ptr;
}
return mlist;
}
|