CMake/Source/cmFileLockResult.cxx
Kitware Robot d9fd2f5402 Revise C++ coding style using clang-format
Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.
2016-05-16 16:05:19 -04:00

102 lines
2.5 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2014 Ruslan Baratov
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmFileLockResult.h"
#include <errno.h>
cmFileLockResult cmFileLockResult::MakeOk()
{
return cmFileLockResult(OK, 0);
}
cmFileLockResult cmFileLockResult::MakeSystem()
{
#if defined(_WIN32)
const Error lastError = GetLastError();
#else
const Error lastError = errno;
#endif
return cmFileLockResult(SYSTEM, lastError);
}
cmFileLockResult cmFileLockResult::MakeTimeout()
{
return cmFileLockResult(TIMEOUT, 0);
}
cmFileLockResult cmFileLockResult::MakeAlreadyLocked()
{
return cmFileLockResult(ALREADY_LOCKED, 0);
}
cmFileLockResult cmFileLockResult::MakeInternal()
{
return cmFileLockResult(INTERNAL, 0);
}
cmFileLockResult cmFileLockResult::MakeNoFunction()
{
return cmFileLockResult(NO_FUNCTION, 0);
}
bool cmFileLockResult::IsOk() const
{
return this->Type == OK;
}
std::string cmFileLockResult::GetOutputMessage() const
{
switch (this->Type) {
case OK:
return "0";
case SYSTEM:
#if defined(_WIN32)
{
char* errorText = NULL;
// http://stackoverflow.com/a/455533/2288008
DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS;
::FormatMessageA(flags, NULL, this->ErrorValue,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)&errorText, 0, NULL);
if (errorText != NULL) {
const std::string message = errorText;
::LocalFree(errorText);
return message;
} else {
return "Internal error (FormatMessageA failed)";
}
}
#else
return strerror(this->ErrorValue);
#endif
case TIMEOUT:
return "Timeout reached";
case ALREADY_LOCKED:
return "File already locked";
case NO_FUNCTION:
return "'GUARD FUNCTION' not used in function definition";
case INTERNAL:
default:
return "Internal error";
}
}
cmFileLockResult::cmFileLockResult(ErrorType typeValue, Error errorValue)
: Type(typeValue)
, ErrorValue(errorValue)
{
}