[deliverable/binutils-gdb.git] / gdbsupport / def-vector.h

/* Copyright (C) 2017-2020 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/>.  */

#ifndef COMMON_DEF_VECTOR_H
#define COMMON_DEF_VECTOR_H

#include <vector>
#include "gdbsupport/default-init-alloc.h"

namespace gdb {

/* A vector that uses an allocator that default constructs using
   default-initialization rather than value-initialization.  The idea
   is to use this when you don't want zero-initialization of elements
   of vectors of trivial types.  E.g., byte buffers.  */

template<typename T> using def_vector
  = std::vector<T, gdb::default_init_allocator<T>>;

} /* namespace gdb */

#endif /* COMMON_DEF_VECTOR_H */
Commit	Line	Data
b811d2c2	1	/* Copyright (C) 2017-2020 Free Software Foundation, Inc.
d5722aa2 PA	2
	3	This file is part of GDB.
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 3 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	17
	18	#ifndef COMMON_DEF_VECTOR_H
	19	#define COMMON_DEF_VECTOR_H
	20
	21	#include <vector>
268a13a5	22	#include "gdbsupport/default-init-alloc.h"
d5722aa2 PA	23
	24	namespace gdb {
	25
	26	/* A vector that uses an allocator that default constructs using
	27	default-initialization rather than value-initialization. The idea
	28	is to use this when you don't want zero-initialization of elements
	29	of vectors of trivial types. E.g., byte buffers. */
	30
	31	template<typename T> using def_vector
	32	= std::vector<T, gdb::default_init_allocator<T>>;
	33
	34	} /* namespace gdb */
	35
	36	#endif /* COMMON_DEF_VECTOR_H */