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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/defs.h3
-rw-r--r--gdb/utils.c17
3 files changed, 26 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b96ecc3..107396e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2009-03-19 Tom Tromey <tromey@redhat.com>
+
+ * utils.c (do_obstack_free): New function.
+ (make_cleanup_obstack_free): Likewise.
+ * defs.h (make_cleanup_obstack_free): Declare.
+
2009-03-18 Doug Evans <dje@google.com>
* linux-nat.c (linux_nat_find_memory_regions): Result of PIDGET is an
diff --git a/gdb/defs.h b/gdb/defs.h
index 001db81..e140474 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -366,6 +366,9 @@ extern struct cleanup *make_cleanup_fclose (FILE *file);
extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
+struct obstack;
+extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
+
extern struct cleanup *make_cleanup_restore_integer (int *variable);
extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
diff --git a/gdb/utils.c b/gdb/utils.c
index 9224839..0becfd9 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -271,6 +271,23 @@ make_cleanup_fclose (FILE *file)
return make_cleanup (do_fclose_cleanup, file);
}
+/* Helper function which does the work for make_cleanup_obstack_free. */
+
+static void
+do_obstack_free (void *arg)
+{
+ struct obstack *ob = arg;
+ obstack_free (ob, NULL);
+}
+
+/* Return a new cleanup that frees OBSTACK. */
+
+struct cleanup *
+make_cleanup_obstack_free (struct obstack *obstack)
+{
+ return make_cleanup (do_obstack_free, obstack);
+}
+
static void
do_ui_file_delete (void *arg)
{