1 files changed, 45 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/dl/dl-dst.h b/newlib/libc/sys/linux/dl/dl-dst.h
new file mode 100644
index 000000000..ccebf9259
--- /dev/null
+++ b/newlib/libc/sys/linux/dl/dl-dst.h
@@ -0,0 +1,45 @@
+/* Handling of dynamic sring tokens.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Determine the number of DST elements in the name.  Only if IS_PATH is
+   nonzero paths are recognized (i.e., multiple, ':' separated filenames).  */
+#define DL_DST_COUNT(name, is_path) \
+  ({									      \
+    size_t __cnt = 0;							      \
+    const char *__sf = strchr (name, '$');				      \
+									      \
+    if (__builtin_expect (__sf != NULL, 0))				      \
+      __cnt = _dl_dst_count (__sf, is_path);				      \
+									      \
+    __cnt; })
+
+/* Prototype for used function.  */
+extern size_t _dl_dst_count (const char *name, int is_path);
+
+
+/* Guess from the number of DSTs the length of the result string.  */
+#define DL_DST_REQUIRED(l, name, len, cnt) 1024
+
+/* Perform the DST substitution.  */
+#define DL_DST_SUBSTITUTE(l, name, res, is_path) \
+  _dl_dst_substitute (l, name, res, is_path)
+
+/* Prototype for used function.  */
+extern char *_dl_dst_substitute (struct link_map *l, const char *name,
+				 char *result, int is_path);