lean2/src/util/realpath.cpp
Leonardo de Moura 80fccc5533 fix(util/realpath): style
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-11-18 09:55:16 -08:00

32 lines
751 B
C++

/*
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include <string>
#include <cstdlib>
#include "util/realpath.h"
#ifdef LEAN_WINDOWS
#include <windows.h>
#endif
namespace lean {
std::string realpath(char const * fname) {
#ifdef LEAN_WINDOWS
constexpr unsigned BufferSize = 8192;
char buffer[BufferSize];
DWORD retval = GetFullPathName(fname, BufferSize, buffer, nullptr);
if (retval == 0 || retval > BufferSize) {
return std::string(fname);
} else {
return std::string(buffer);
}
#else
char * tmp = ::realpath(fname, nullptr);
std::string r(tmp);
free(tmp);
return r;
#endif
}
}