--- /dev/null
+// $Id$ --*- c -*--
+
+// Copyright (C) 2005 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "vserver.h"
+#include "pathconfig.h"
+
+#include <sys/stat.h>
+#include <string.h>
+
+static char const *
+completePath(char const *id, size_t len, vcCfgStyle style, char *buf)
+{
+ switch (style) {
+ case vcCFG_RECENT_FULL : return id;
+ case vcCFG_RECENT_SHORT :
+ memcpy(buf, CONFDIR "/", sizeof(CONFDIR "/")-1);
+ memcpy(buf+sizeof(CONFDIR "/")-1, id, len+1); // appends '\0' implicitly
+ return buf;
+ default : return 0;
+ }
+}
+
+int
+vc_compareVserverById(char const *lhs, vcCfgStyle lhs_style,
+ char const *rhs, vcCfgStyle rhs_style)
+{
+ if (lhs_style==vcCFG_NONE || lhs_style==vcCFG_AUTO)
+ lhs_style = vc_getVserverCfgStyle(lhs);
+
+ if (rhs_style==vcCFG_NONE || rhs_style==vcCFG_AUTO)
+ rhs_style = vc_getVserverCfgStyle(rhs);
+
+ // compare legacy vservers by their names only resp. return false on mixed
+ // styles
+ if (lhs_style==vcCFG_LEGACY || rhs_style==vcCFG_LEGACY) {
+ if (lhs_style!=rhs_style) return lhs_style - rhs_style;
+ else return strcmp(lhs, rhs);
+ }
+
+ {
+ size_t len_lhs = strlen(lhs);
+ size_t len_rhs = strlen(rhs);
+ char buf_lhs[sizeof(CONFDIR "//") + len_lhs];
+ char buf_rhs[sizeof(CONFDIR "//") + len_rhs];
+
+ char const * path_lhs = completePath(lhs, len_lhs, lhs_style, buf_lhs);
+ char const * path_rhs = (path_lhs==0
+ ? 0 // skip following calculation
+ : completePath(rhs, len_rhs, rhs_style, buf_rhs));
+
+ struct stat st_lhs;
+ struct stat st_rhs;
+
+ // this is true only iff both path_* are 0; compare ids in this case
+ if (path_lhs==path_rhs) return strcmp(lhs, rhs);
+ if (path_lhs==0) return -1; // path_rhs!=0 is implied by check above
+ if (path_rhs==0) return +1;
+
+ if (stat(path_lhs, &st_lhs)==-1 ||
+ stat(path_rhs, &st_rhs)==-1) return strcmp(lhs,rhs);
+
+ return (st_lhs.st_dev - st_rhs.st_dev) + (st_lhs.st_ino - st_rhs.st_ino);
+ }
+}