* target.h (struct section_table): Rename to ...

[deliverable/binutils-gdb.git] / gdb / gdb_obstack.h

diff --git a/gdb/gdb_obstack.h b/gdb/gdb_obstack.h
index 237830e1768b0544b23d6c4edb154b54718e37d5..757d8e907833b5ea4601cc768d188df46032f0d6 100644 (file)
--- a/gdb/gdb_obstack.h
+++ b/gdb/gdb_obstack.h
@@ -1,12 +1,12 @@
 /* Obstack wrapper for GDB.
 
-   Copyright 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2007, 2008, 2009 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program 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 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,18 +15,37 @@
    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, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !defined (GDB_OBSTACK_H)
 #define GDB_OBSTACK_H 1
 
 #include "obstack.h"
 
+/* Utility macros - wrap obstack alloc into something more robust.  */
+
+#define OBSTACK_ZALLOC(OBSTACK,TYPE) (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))
+
+#define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), 0, (NUMBER) * sizeof (TYPE)))
+
 /* Unless explicitly specified, GDB obstacks always use xmalloc() and
    xfree().  */
+/* Note: ezannoni 2004-02-09: One could also specify the allocation
+   functions using a special init function for each obstack,
+   obstack_specify_allocation.  However we just use obstack_init and
+   let these defines here do the job.  While one could argue the
+   superiority of one approach over the other, we just chose one
+   throughout.  */
+
 #define obstack_chunk_alloc xmalloc
 #define obstack_chunk_free xfree
 
+#define obstack_grow_str(OBSTACK,STRING) \
+  obstack_grow (OBSTACK, STRING, strlen (STRING))
+#define obstack_grow_str0(OBSTACK,STRING) \
+  obstack_grow0 (OBSTACK, STRING, strlen (STRING))
+
+#define obstack_grow_wstr(OBSTACK, WSTRING) \
+  obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING))
+
 #endif