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-rw-r--r--source/Host/posix/FileSystem.cpp201
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diff --git a/source/Host/posix/FileSystem.cpp b/source/Host/posix/FileSystem.cpp
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+//===-- FileSystem.cpp ------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Host/FileSystem.h"
+
+// C includes
+#include <sys/stat.h>
+#include <sys/types.h>
+
+// lldb Includes
+#include "lldb/Core/Error.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/Host.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+FileSpec::PathSyntax
+FileSystem::GetNativePathSyntax()
+{
+ return FileSpec::ePathSyntaxPosix;
+}
+
+Error
+FileSystem::MakeDirectory(const char *path, uint32_t file_permissions)
+{
+ Error error;
+ if (path && path[0])
+ {
+ if (::mkdir(path, file_permissions) != 0)
+ {
+ error.SetErrorToErrno();
+ switch (error.GetError())
+ {
+ case ENOENT:
+ {
+ // Parent directory doesn't exist, so lets make it if we can
+ FileSpec spec(path, false);
+ if (spec.GetDirectory() && spec.GetFilename())
+ {
+ // Make the parent directory and try again
+ Error error2 = MakeDirectory(spec.GetDirectory().GetCString(), file_permissions);
+ if (error2.Success())
+ {
+ // Try and make the directory again now that the parent directory was made successfully
+ if (::mkdir(path, file_permissions) == 0)
+ error.Clear();
+ else
+ error.SetErrorToErrno();
+ }
+ }
+ }
+ break;
+
+ case EEXIST:
+ {
+ FileSpec path_spec(path, false);
+ if (path_spec.IsDirectory())
+ error.Clear(); // It is a directory and it already exists
+ }
+ break;
+ }
+ }
+ }
+ else
+ {
+ error.SetErrorString("empty path");
+ }
+ return error;
+}
+
+Error
+FileSystem::DeleteDirectory(const char *path, bool recurse)
+{
+ Error error;
+ if (path && path[0])
+ {
+ if (recurse)
+ {
+ StreamString command;
+ command.Printf("rm -rf \"%s\"", path);
+ int status = ::system(command.GetString().c_str());
+ if (status != 0)
+ error.SetError(status, eErrorTypeGeneric);
+ }
+ else
+ {
+ if (::rmdir(path) != 0)
+ error.SetErrorToErrno();
+ }
+ }
+ else
+ {
+ error.SetErrorString("empty path");
+ }
+ return error;
+}
+
+Error
+FileSystem::GetFilePermissions(const char *path, uint32_t &file_permissions)
+{
+ Error error;
+ struct stat file_stats;
+ if (::stat(path, &file_stats) == 0)
+ {
+ // The bits in "st_mode" currently match the definitions
+ // for the file mode bits in unix.
+ file_permissions = file_stats.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+ }
+ else
+ {
+ error.SetErrorToErrno();
+ }
+ return error;
+}
+
+Error
+FileSystem::SetFilePermissions(const char *path, uint32_t file_permissions)
+{
+ Error error;
+ if (::chmod(path, file_permissions) != 0)
+ error.SetErrorToErrno();
+ return error;
+}
+
+lldb::user_id_t
+FileSystem::GetFileSize(const FileSpec &file_spec)
+{
+ return file_spec.GetByteSize();
+}
+
+bool
+FileSystem::GetFileExists(const FileSpec &file_spec)
+{
+ return file_spec.Exists();
+}
+
+Error
+FileSystem::Symlink(const char *src, const char *dst)
+{
+ Error error;
+ if (::symlink(dst, src) == -1)
+ error.SetErrorToErrno();
+ return error;
+}
+
+Error
+FileSystem::Unlink(const char *path)
+{
+ Error error;
+ if (::unlink(path) == -1)
+ error.SetErrorToErrno();
+ return error;
+}
+
+Error
+FileSystem::Readlink(const char *path, char *buf, size_t buf_len)
+{
+ Error error;
+ ssize_t count = ::readlink(path, buf, buf_len);
+ if (count < 0)
+ error.SetErrorToErrno();
+ else if (static_cast<size_t>(count) < (buf_len - 1))
+ buf[count] = '\0'; // Success
+ else
+ error.SetErrorString("'buf' buffer is too small to contain link contents");
+ return error;
+}
+
+bool
+FileSystem::CalculateMD5(const FileSpec &file_spec, uint64_t &low, uint64_t &high)
+{
+#if defined(__APPLE__)
+ StreamString md5_cmd_line;
+ md5_cmd_line.Printf("md5 -q '%s'", file_spec.GetPath().c_str());
+ std::string hash_string;
+ Error err = Host::RunShellCommand(md5_cmd_line.GetData(), NULL, NULL, NULL, &hash_string, 60);
+ if (err.Fail())
+ return false;
+ // a correctly formed MD5 is 16-bytes, that is 32 hex digits
+ // if the output is any other length it is probably wrong
+ if (hash_string.size() != 32)
+ return false;
+ std::string part1(hash_string, 0, 16);
+ std::string part2(hash_string, 16);
+ const char *part1_cstr = part1.c_str();
+ const char *part2_cstr = part2.c_str();
+ high = ::strtoull(part1_cstr, NULL, 16);
+ low = ::strtoull(part2_cstr, NULL, 16);
+ return true;
+#else
+ // your own MD5 implementation here
+ return false;
+#endif
+}