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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
polypaudio 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include "../polypcore/winsock.h"
#include <polyp/error.h>
#include <polypcore/log.h>
#include <polypcore/core-util.h>
#include "util.h"
#ifndef OS_IS_WIN32
#define PATH_SEP '/'
#else
#define PATH_SEP '\\'
#endif
char *pa_get_user_name(char *s, size_t l) {
char *p;
char buf[1024];
#ifdef HAVE_PWD_H
struct passwd pw, *r;
#endif
assert(s && l > 0);
if (!(p = getenv("USER")) && !(p = getenv("LOGNAME")) && !(p = getenv("USERNAME"))) {
#ifdef HAVE_PWD_H
#ifdef HAVE_GETPWUID_R
if (getpwuid_r(getuid(), &pw, buf, sizeof(buf), &r) != 0 || !r) {
#else
/* XXX Not thread-safe, but needed on OSes (e.g. FreeBSD 4.X)
* that do not support getpwuid_r. */
if ((r = getpwuid(getuid())) == NULL) {
#endif
snprintf(s, l, "%lu", (unsigned long) getuid());
return s;
}
p = r->pw_name;
#elif defined(OS_IS_WIN32) /* HAVE_PWD_H */
DWORD size = sizeof(buf);
if (!GetUserName(buf, &size))
return NULL;
p = buf;
#else /* HAVE_PWD_H */
return NULL;
#endif /* HAVE_PWD_H */
}
return pa_strlcpy(s, p, l);
}
char *pa_get_host_name(char *s, size_t l) {
assert(s && l > 0);
if (gethostname(s, l) < 0) {
pa_log(__FILE__": gethostname(): %s", pa_cstrerror(errno));
return NULL;
}
s[l-1] = 0;
return s;
}
char *pa_get_home_dir(char *s, size_t l) {
char *e;
#ifdef HAVE_PWD_H
char buf[1024];
struct passwd pw, *r;
#endif
assert(s && l);
if ((e = getenv("HOME")))
return pa_strlcpy(s, e, l);
if ((e = getenv("USERPROFILE")))
return pa_strlcpy(s, e, l);
#ifdef HAVE_PWD_H
#ifdef HAVE_GETPWUID_R
if (getpwuid_r(getuid(), &pw, buf, sizeof(buf), &r) != 0 || !r) {
pa_log(__FILE__": getpwuid_r() failed");
#else
/* XXX Not thread-safe, but needed on OSes (e.g. FreeBSD 4.X)
* that do not support getpwuid_r. */
if ((r = getpwuid(getuid())) == NULL) {
pa_log(__FILE__": getpwuid_r() failed");
#endif
return NULL;
}
return pa_strlcpy(s, r->pw_dir, l);
#else /* HAVE_PWD_H */
return NULL;
#endif
}
char *pa_get_binary_name(char *s, size_t l) {
#ifdef HAVE_READLINK
char path[PATH_MAX];
int i;
assert(s && l);
/* This works on Linux only */
snprintf(path, sizeof(path), "/proc/%u/exe", (unsigned) getpid());
if ((i = readlink(path, s, l-1)) < 0)
return NULL;
s[i] = 0;
return s;
#elif defined(OS_IS_WIN32)
char path[PATH_MAX];
if (!GetModuleFileName(NULL, path, PATH_MAX))
return NULL;
pa_strlcpy(s, pa_path_get_filename(path), l);
return s;
#else
return NULL;
#endif
}
const char *pa_path_get_filename(const char *p) {
char *fn;
if ((fn = strrchr(p, PATH_SEP)))
return fn+1;
return (const char*) p;
}
char *pa_get_fqdn(char *s, size_t l) {
char hn[256];
#ifdef HAVE_GETADDRINFO
struct addrinfo *a, hints;
#endif
if (!pa_get_host_name(hn, sizeof(hn)))
return NULL;
#ifdef HAVE_GETADDRINFO
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_CANONNAME;
if (getaddrinfo(hn, NULL, &hints, &a) < 0 || !a || !a->ai_canonname || !*a->ai_canonname)
return pa_strlcpy(s, hn, l);
pa_strlcpy(s, a->ai_canonname, l);
freeaddrinfo(a);
return s;
#else
return pa_strlcpy(s, hn, l);
#endif
}
int pa_msleep(unsigned long t) {
#ifdef OS_IS_WIN32
Sleep(t);
return 0;
#elif defined(HAVE_NANOSLEEP)
struct timespec ts;
ts.tv_sec = t/1000;
ts.tv_nsec = (t % 1000) * 1000000;
return nanosleep(&ts, NULL);
#else
#error "Platform lacks a sleep function."
#endif
}
|
