lib/path-join.c

   1 /* Concatenate path components.
   2    Copyright (C) 2018-2021 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify it
   5    under the terms of the GNU General Public License as published by the
   6    Free Software Foundation; either version 3 of the License, or any
   7    later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Akim Demaille <akim@lrde.epita.fr>.  */
  18
  19 #include <config.h>
  20
  21 /* Specification.  */
  22 #include "path-join.h"
  23
  24 #include <concat-filename.h> /* xconcatenated_filename */
  25 #include <filename.h> /* IS_ABSOLUTE_PATH */
  26 #include <xalloc.h> /* xstrdup */
  27
  28 char *
  29 xpath_join (const char *path1, const char *path2)
  30 {
  31   if (!path2 || !*path2)
  32     return xstrdup (path1);
  33   else if (IS_ABSOLUTE_PATH (path2))
  34     return xstrdup (path2);
  35   else
  36     return xconcatenated_filename (path1, path2, NULL);
  37 }