1 files changed, 70 insertions, 0 deletions
diff --git a/src/libs/libgroff/maxpathname.cpp b/src/libs/libgroff/maxpathname.cpp
new file mode 100644
index 0000000..8041eeb
--- /dev/null
+++ b/src/libs/libgroff/maxpathname.cpp
@@ -0,0 +1,70 @@
+// -*- C++ -*-
+/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
+     Written by Werner Lemberg (wl@gnu.org)
+
+This file is part of groff.
+
+groff 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, either version 3 of the License, or
+(at your option) any later version.
+
+groff 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, see <http://www.gnu.org/licenses/>. */
+
+/* path_name_max(dir) does the same as pathconf(dir, _PC_PATH_MAX) */
+
+#include "lib.h"
+
+#include <sys/types.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#ifdef _POSIX_VERSION
+
+size_t path_name_max()
+{
+  return pathconf("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf("/",_PC_PATH_MAX);
+}
+
+#else /* not _POSIX_VERSION */
+
+#include <stdlib.h>
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else /* not HAVE_DIRENT_H */
+# ifdef HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif /* HAVE_SYS_DIR_H */
+#endif /* not HAVE_DIRENT_H */
+
+#ifndef PATH_MAX
+# ifdef MAXPATHLEN
+#  define PATH_MAX MAXPATHLEN
+# else /* !MAXPATHLEN */
+#  ifdef MAX_PATH
+#   define PATH_MAX MAX_PATH
+#  else /* !MAX_PATH */
+#   ifdef _MAX_PATH
+#    define PATH_MAX _MAX_PATH
+#   else /* !_MAX_PATH */
+#    define PATH_MAX 255
+#   endif /* !_MAX_PATH */
+#  endif /* !MAX_PATH */
+# endif /* !MAXPATHLEN */
+#endif /* !PATH_MAX */
+
+size_t path_name_max()
+{
+  return PATH_MAX;
+}
+
+#endif /* not _POSIX_VERSION */