lyx_mirror/src/support/getcwd.cpp
Bo Peng f212b48335 Rename .C ==> .cpp for files in src/support, part two
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18025 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-26 05:13:44 +00:00

74 lines
1.3 KiB
C++

/**
* \file getcwd.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "support/lyxlib.h"
#include "support/os.h"
#include <boost/scoped_array.hpp>
#include <cerrno>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef _WIN32
# include <windows.h>
#endif
using boost::scoped_array;
using std::string;
namespace lyx {
namespace support {
namespace {
inline
char * l_getcwd(char * buffer, size_t size)
{
#ifdef _WIN32
GetCurrentDirectory(size, buffer);
return buffer;
#else
return ::getcwd(buffer, size);
#endif
}
} // namespace anon
// Returns current working directory
FileName const getcwd()
{
int n = 256; // Assume path is less than 256 chars
char * err;
scoped_array<char> tbuf(new char[n]);
// Safe. Hopefully all getcwds behave this way!
while (((err = l_getcwd(tbuf.get(), n)) == 0) && (errno == ERANGE)) {
// Buffer too small, double the buffersize and try again
n *= 2;
tbuf.reset(new char[n]);
}
string result;
if (err)
result = tbuf.get();
return FileName(os::internal_path(to_utf8(from_filesystem8bit(result))));
}
} // namespace support
} // namespace lyx