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
187
188
189
190
191
192
193
194
|
/* $OpenBSD: arg.c,v 1.2 2009/06/02 11:18:59 ray Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <fnmatch.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
struct client *arg_lookup_client(const char *);
struct session *arg_lookup_session(const char *);
struct client *
arg_lookup_client(const char *name)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && strcmp(name, c->tty.path) == 0)
return (c);
}
return (NULL);
}
struct session *
arg_lookup_session(const char *name)
{
struct session *s, *newest = NULL;
struct timeval *tv;
u_int i;
tv = NULL;
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
s = ARRAY_ITEM(&sessions, i);
if (s == NULL || fnmatch(name, s->name, 0) != 0)
continue;
if (tv == NULL || timercmp(&s->tv, tv, >)) {
newest = s;
tv = &s->tv;
}
}
return (newest);
}
struct client *
arg_parse_client(const char *arg)
{
struct client *c;
char *arg2;
size_t n;
if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) {
arg2 = xstrdup(arg);
/* Trim a trailing : if any from the argument. */
n = strlen(arg2);
if (n && arg2[n - 1] == ':')
arg2[n - 1] = '\0';
/* Try and look up the client name. */
c = arg_lookup_client(arg2);
xfree(arg2);
return (c);
}
return (NULL);
}
struct session *
arg_parse_session(const char *arg)
{
struct session *s;
struct client *c;
char *arg2;
size_t n;
if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) {
arg2 = xstrdup(arg);
/* Trim a trailing : if any from the argument. */
n = strlen(arg2);
if (n && arg2[n - 1] == ':')
arg2[n - 1] = '\0';
/* See if the argument matches a session. */
if ((s = arg_lookup_session(arg2)) != NULL) {
xfree(arg2);
return (s);
}
/* If not try a client. */
if ((c = arg_lookup_client(arg2)) != NULL) {
xfree(arg2);
return (c->session);
}
xfree(arg2);
}
return (NULL);
}
int
arg_parse_window(const char *arg, struct session **s, int *idx)
{
char *arg2, *ptr;
const char *errstr;
*idx = -1;
/* Handle no argument or a single :. */
if (arg == NULL || (arg[0] == ':' && arg[1] == '\0')) {
*s = arg_parse_session(NULL);
return (0);
}
/* Find the separator if any. */
arg2 = xstrdup(arg);
ptr = strrchr(arg2, ':');
/*
* If it is first, this means no session name, so use current session
* and try to convert the rest as index.
*/
if (ptr == arg2) {
*idx = strtonum(ptr + 1, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xfree(arg2);
return (1);
}
xfree(arg2);
*s = arg_parse_session(NULL);
return (0);
}
/* If missing, try as an index, else look up immediately. */
if (ptr == NULL) {
*idx = strtonum(arg2, 0, INT_MAX, &errstr);
if (errstr == NULL) {
/* This is good as an index; use current session. */
xfree(arg2);
*s = arg_parse_session(NULL);
return (0);
}
*idx = -1;
goto lookup;
}
/* If last, strip it and look up as a session. */
if (ptr[1] == '\0') {
*ptr = '\0';
goto lookup;
}
/* Present but not first and not last. Break and convert both. */
*ptr = '\0';
*idx = strtonum(ptr + 1, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xfree(arg2);
return (1);
}
lookup:
/* Look up as session. */
*s = arg_parse_session(arg2);
xfree(arg2);
if (*s == NULL)
return (1);
return (0);
}
|
