1 //===-- FileSystem.cpp ------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "lldb/Host/FileSystem.h"
15 #include <sys/mount.h>
16 #include <sys/param.h>
18 #include <sys/types.h>
20 #if defined(__NetBSD__)
21 #include <sys/statvfs.h>
25 #include "lldb/Host/Host.h"
26 #include "lldb/Utility/Status.h"
27 #include "lldb/Utility/StreamString.h"
29 #include "llvm/Support/FileSystem.h"
32 using namespace lldb_private;
34 const char *FileSystem::DEV_NULL = "/dev/null";
36 Status FileSystem::Symlink(const FileSpec &src, const FileSpec &dst) {
38 if (::symlink(dst.GetCString(), src.GetCString()) == -1)
39 error.SetErrorToErrno();
43 Status FileSystem::Readlink(const FileSpec &src, FileSpec &dst) {
46 ssize_t count = ::readlink(src.GetCString(), buf, sizeof(buf) - 1);
48 error.SetErrorToErrno();
50 buf[count] = '\0'; // Success
51 dst.SetFile(buf, FileSpec::Style::native);
56 Status FileSystem::ResolveSymbolicLink(const FileSpec &src, FileSpec &dst) {
57 char resolved_path[PATH_MAX];
58 if (!src.GetPath(resolved_path, sizeof(resolved_path))) {
59 return Status("Couldn't get the canonical path for %s", src.GetCString());
62 char real_path[PATH_MAX + 1];
63 if (realpath(resolved_path, real_path) == nullptr) {
65 err.SetErrorToErrno();
69 dst = FileSpec(real_path);
74 FILE *FileSystem::Fopen(const char *path, const char *mode) {
75 return ::fopen(path, mode);
78 int FileSystem::Open(const char *path, int flags, int mode) {
79 return ::open(path, flags, mode);