47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#if defined(LEAN_CYGWIN)
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#if defined(__STRICT_ANSI__)
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// hack for using realpath on cygwin
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#undef __STRICT_ANSI__
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#endif
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#endif
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#include <string>
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#include <cstdlib>
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#include "util/realpath.h"
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#include "util/lean_path.h"
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#if defined(LEAN_WINDOWS) && !defined(LEAN_CYGWIN)
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#include <windows.h>
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#endif
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namespace lean {
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std::string lrealpath(char const * fname) {
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#if defined(LEAN_EMSCRIPTEN)
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return fname;
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#elif defined(LEAN_WINDOWS) && !defined(LEAN_CYGWIN)
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constexpr unsigned BufferSize = 8192;
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char buffer[BufferSize];
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DWORD retval = GetFullPathName(fname, BufferSize, buffer, nullptr);
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if (retval == 0 || retval > BufferSize) {
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return std::string(fname);
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} else {
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return std::string(buffer);
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}
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#else
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char * tmp = realpath(fname, nullptr);
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if (tmp) {
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std::string r(tmp);
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::free(tmp);
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return r;
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} else {
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throw file_not_found_exception(fname);
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}
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#endif
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}
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}
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