1//===-- HostInfoNetBSD.cpp ------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Host/netbsd/HostInfoNetBSD.h"
10
11#include <cinttypes>
12#include <climits>
13#include <cstdio>
14#include <cstring>
15#include <optional>
16#include <pthread.h>
17#include <sys/sysctl.h>
18#include <sys/types.h>
19#include <sys/utsname.h>
20#include <unistd.h>
21
22using namespace lldb_private;
23
24llvm::VersionTuple HostInfoNetBSD::GetOSVersion() {
25 struct utsname un;
26
27 ::memset(s: &un, c: 0, n: sizeof(un));
28 if (::uname(name: &un) < 0)
29 return llvm::VersionTuple();
30
31 /* Accept versions like 7.99.21 and 6.1_STABLE */
32 uint32_t major, minor, update;
33 int status = ::sscanf(s: un.release, format: "%" PRIu32 ".%" PRIu32 ".%" PRIu32, &major,
34 &minor, &update);
35 switch (status) {
36 case 1:
37 return llvm::VersionTuple(major);
38 case 2:
39 return llvm::VersionTuple(major, minor);
40 case 3:
41 return llvm::VersionTuple(major, minor, update);
42 }
43 return llvm::VersionTuple();
44}
45
46std::optional<std::string> HostInfoNetBSD::GetOSBuildString() {
47 int mib[2] = {CTL_KERN, KERN_OSREV};
48 int osrev = 0;
49 size_t osrev_len = sizeof(osrev);
50
51 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)
52 return llvm::formatv(Fmt: "{0,10:10}", Vals&: osrev).str();
53
54 return std::nullopt;
55}
56
57FileSpec HostInfoNetBSD::GetProgramFileSpec() {
58 static FileSpec g_program_filespec;
59
60 if (!g_program_filespec) {
61 static const int name[] = {
62 CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME,
63 };
64 char path[MAXPATHLEN];
65 size_t len;
66
67 len = sizeof(path);
68 if (sysctl(name, __arraycount(name), path, &len, NULL, 0) != -1) {
69 g_program_filespec.SetFile(path, FileSpec::Style::native);
70 }
71 }
72 return g_program_filespec;
73}
74

source code of lldb/source/Host/netbsd/HostInfoNetBSD.cpp