X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdb_obstack.h;h=9b1d907678f58109ae44bab3786722c1bec3bb62;hb=4d91c2a4677b90802c8d369190927921bf8ee97d;hp=db849a06444c2c22138a39dc42157b1fc8149dfd;hpb=efba19b06a6f2baacb3920599f970d1333ffc358;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdb_obstack.h b/gdb/gdb_obstack.h
index db849a0644..9b1d907678 100644
--- a/gdb/gdb_obstack.h
+++ b/gdb/gdb_obstack.h
@@ -1,6 +1,6 @@
 /* Obstack wrapper for GDB.
 
-   Copyright (C) 2002-2019 Free Software Foundation, Inc.
+   Copyright (C) 2002-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -105,6 +105,17 @@ obstack_strdup (struct obstack *obstackp, const std::string &string)
 				 string.size ());
 }
 
+/* Duplicate the first N characters of STRING, returning a
+   \0-terminated string that's allocated on the obstack OBSTACKP.
+   Note that exactly N characters are copied, even if STRING is
+   shorter.  */
+
+static inline char *
+obstack_strndup (struct obstack *obstackp, const char *string, size_t n)
+{
+  return (char *) obstack_copy0 (obstackp, string, n);
+}
+
 /* An obstack that frees itself on scope exit.  */
 struct auto_obstack : obstack
 {
@@ -114,6 +125,8 @@ struct auto_obstack : obstack
   ~auto_obstack ()
   { obstack_free (this, NULL); }
 
+  DISABLE_COPY_AND_ASSIGN (auto_obstack);
+
   /* Free all memory in the obstack but leave it valid for further
      allocation.  */
   void clear ()