1 //===-- HostInfoNetBSD.cpp -------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Host/netbsd/HostInfoNetBSD.h"
11 
12 #include <inttypes.h>
13 #include <limits.h>
14 #include <pthread.h>
15 #include <stdio.h>
16 #include <string.h>
17 #include <sys/sysctl.h>
18 #include <sys/types.h>
19 #include <sys/utsname.h>
20 #include <unistd.h>
21 
22 using namespace lldb_private;
23 
24 bool HostInfoNetBSD::GetOSVersion(uint32_t &major, uint32_t &minor,
25                                   uint32_t &update) {
26   struct utsname un;
27 
28   ::memset(&un, 0, sizeof(un));
29   if (::uname(&un) < 0)
30     return false;
31 
32   /* Accept versions like 7.99.21 and 6.1_STABLE */
33   int status = ::sscanf(un.release, "%" PRIu32 ".%" PRIu32 ".%" PRIu32, &major,
34                         &minor, &update);
35   switch (status) {
36   case 0:
37     return false;
38   case 1:
39     minor = 0;
40   /* FALLTHROUGH */
41   case 2:
42     update = 0;
43   /* FALLTHROUGH */
44   case 3:
45   default:
46     return true;
47   }
48 }
49 
50 bool HostInfoNetBSD::GetOSBuildString(std::string &s) {
51   int mib[2] = {CTL_KERN, KERN_OSREV};
52   char osrev_str[12];
53   int osrev = 0;
54   size_t osrev_len = sizeof(osrev);
55 
56   if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0) {
57     ::snprintf(osrev_str, sizeof(osrev_str), "%-10.10d", osrev);
58     s.assign(osrev_str);
59     return true;
60   }
61 
62   s.clear();
63   return false;
64 }
65 
66 bool HostInfoNetBSD::GetOSKernelDescription(std::string &s) {
67   struct utsname un;
68 
69   ::memset(&un, 0, sizeof(un));
70   s.clear();
71 
72   if (::uname(&un) < 0)
73     return false;
74 
75   s.assign(un.version);
76 
77   return true;
78 }
79 
80 FileSpec HostInfoNetBSD::GetProgramFileSpec() {
81   static FileSpec g_program_filespec;
82 
83   if (!g_program_filespec) {
84     static const int name[] = {
85         CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME,
86     };
87     char path[MAXPATHLEN];
88     size_t len;
89 
90     len = sizeof(path);
91     if (sysctl(name, __arraycount(name), path, &len, NULL, 0) != -1) {
92         g_program_filespec.SetFile(path, false);
93     }
94   }
95   return g_program_filespec;
96 }
97