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(&un, 0, sizeof(un));
28  if (::uname(&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(un.release, "%" 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  char osrev_str[12];
49  int osrev = 0;
50  size_t osrev_len = sizeof(osrev);
51
52  if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)
53    return llvm::formatv("{0,10:10}", osrev).str();
54
55  return std::nullopt;
56}
57
58FileSpec HostInfoNetBSD::GetProgramFileSpec() {
59  static FileSpec g_program_filespec;
60
61  if (!g_program_filespec) {
62    static const int name[] = {
63        CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME,
64    };
65    char path[MAXPATHLEN];
66    size_t len;
67
68    len = sizeof(path);
69    if (sysctl(name, __arraycount(name), path, &len, NULL, 0) != -1) {
70      g_program_filespec.SetFile(path, FileSpec::Style::native);
71    }
72  }
73  return g_program_filespec;
74}
75