+/**
+ * \file getcwd.C
+ * 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 <boost/scoped_array.hpp>
+
+#include <cerrno>
#include <unistd.h>
-#include "support/lyxlib.h"
+using boost::scoped_array;
+
+using std::string;
+
+
+namespace {
-char * lyx::getcwd(char * buffer, size_t size)
+inline
+char * l_getcwd(char * buffer, size_t size)
{
#ifndef __EMX__
return ::getcwd(buffer, size);
return ::_getcwd2(buffer, size);
#endif
}
+
+} // namespace anon
+
+
+// Returns current working directory
+string const lyx::support::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 result;
+}