+#include "ha-callout.h"
+
+#include <limits.h> /* PATH_MAX */
+
+extern int reverse_resolve;
+
+/* If new path is a link do not destroy it but place the
+ * file where the link points.
+ */
+
+static int
+slink_safe_rename(const char * oldpath, const char * newpath)
+{
+ int r;
+ struct stat s;
+ char slink_path[PATH_MAX];
+ const char *real_newpath = newpath;
+
+ if ((lstat(newpath, &s) == 0) && S_ISLNK(s.st_mode)) {
+ /* New path is a symbolic link, do not destroy but follow */
+ if ((r = readlink(newpath, slink_path, PATH_MAX - 1)) == -1)
+ return -1;
+ slink_path[r] = '\0';
+ real_newpath = slink_path;
+ }
+
+ return rename(oldpath, real_newpath);
+}