1 //===-- FileSystem.h --------------------------------------------*- 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 #ifndef liblldb_Host_FileSystem_h
11 #define liblldb_Host_FileSystem_h
13 #include "lldb/Core/Error.h"
14 #include "lldb/Host/FileSpec.h"
15 #include "llvm/Support/Chrono.h"
17 #include "lldb/lldb-types.h"
23 namespace lldb_private {
26 static const char *DEV_NULL;
27 static const char *PATH_CONVERSION_ERROR;
29 static FileSpec::PathSyntax GetNativePathSyntax();
31 static Error MakeDirectory(const FileSpec &file_spec, uint32_t mode);
32 static Error DeleteDirectory(const FileSpec &file_spec, bool recurse);
34 static Error GetFilePermissions(const FileSpec &file_spec,
35 uint32_t &file_permissions);
36 static Error SetFilePermissions(const FileSpec &file_spec,
37 uint32_t file_permissions);
38 static lldb::user_id_t GetFileSize(const FileSpec &file_spec);
39 static bool GetFileExists(const FileSpec &file_spec);
41 static Error Hardlink(const FileSpec &src, const FileSpec &dst);
42 static int GetHardlinkCount(const FileSpec &file_spec);
43 static Error Symlink(const FileSpec &src, const FileSpec &dst);
44 static Error Readlink(const FileSpec &src, FileSpec &dst);
45 static Error Unlink(const FileSpec &file_spec);
47 static Error ResolveSymbolicLink(const FileSpec &src, FileSpec &dst);
49 static bool CalculateMD5(const FileSpec &file_spec, uint64_t &low,
51 static bool CalculateMD5(const FileSpec &file_spec, uint64_t offset,
52 uint64_t length, uint64_t &low, uint64_t &high);
54 static bool CalculateMD5AsString(const FileSpec &file_spec,
55 std::string &digest_str);
56 static bool CalculateMD5AsString(const FileSpec &file_spec, uint64_t offset,
57 uint64_t length, std::string &digest_str);
59 /// Return \b true if \a spec is on a locally mounted file system, \b false
61 static bool IsLocal(const FileSpec &spec);
63 /// Wraps ::fopen in a platform-independent way. Once opened, FILEs can be
64 /// manipulated and closed with the normal ::fread, ::fclose, etc. functions.
65 static FILE *Fopen(const char *path, const char *mode);
67 /// Wraps ::stat in a platform-independent way.
68 static int Stat(const char *path, struct stat *stats);
70 static llvm::sys::TimePoint<> GetModificationTime(const FileSpec &file_spec);