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// rak - Rakshasa's toolbox
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// Copyright (C) 2005-2007, Jari Sundell
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations
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// You must obey the GNU General Public License in all respects for
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// all of the code used other than OpenSSL. If you modify file(s)
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// with this exception, you may extend this exception to your version
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// of the file(s), but you are not obligated to do so. If you do not
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// wish to do so, delete this exception statement from your version.
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// If you delete this exception statement from all source files in the
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// program, then also delete it here.
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// Contact: Jari Sundell <jaris@ifi.uio.no>
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// 3185 Skoppum, NORWAY
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// Various functions for manipulating file paths. Also consider making
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// a directory iterator.
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path_expand(const std::string& path) {
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if (path.empty() || path[0] != '~')
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char* home = std::getenv("HOME");
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return home + path.substr(1);
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// Don't inline this...
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// Same strlcpy as found in *bsd.
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strlcpy(char *dest, const char *src, size_t size) {
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const char* first = src;
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if ((*dest++ = *src++) == '\0')
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return src - first - 1;
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path_expand(const char* src, char* first, char* last) {
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char* home = std::getenv("HOME");
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first += strlcpy(first, home, std::distance(first, last));
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return std::max(first + strlcpy(first, src, std::distance(first, last)), last);