binutils-gdb/gdbsupport/gdb_obstack.cc
Tom Tromey bf31fd38f0 Move gdb obstack code to gdbsupport
This moves the gdb-specific obstack code -- both extensions like
obconcat and obstack_strdup, and things like auto_obstack -- to
gdbsupport.
2022-01-18 10:14:42 -07:00

48 lines
1.3 KiB
C++

/* Obstack wrapper for GDB.
Copyright (C) 2013-2022 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 3 of the License, or
(at your option) any later version.
This program 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/>. */
#include "common-defs.h"
#include "gdb_obstack.h"
/* Concatenate NULL terminated variable argument list of `const char *'
strings; return the new string. Space is found in the OBSTACKP.
Argument list must be terminated by a sentinel expression `(char *)
NULL'. */
char *
obconcat (struct obstack *obstackp, ...)
{
va_list ap;
va_start (ap, obstackp);
for (;;)
{
const char *s = va_arg (ap, const char *);
if (s == NULL)
break;
obstack_grow_str (obstackp, s);
}
va_end (ap);
obstack_1grow (obstackp, 0);
return (char *) obstack_finish (obstackp);
}