mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 18:12:22 +00:00
a6c4f2646f
Put MP_EXPAND_ARGS() in compiler.h, even though it's not compiler dependent. Both mp_talloc.h and mp_common.h need it, while mp_common.h includes mp_talloc.h. This is the least annoying solution.
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv 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
|
|
* (at your option) any later version.
|
|
*
|
|
* mpv 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 mpv; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPV_TALLOC_H
|
|
#define MPV_TALLOC_H
|
|
|
|
#include "talloc.h"
|
|
#include "compat/compiler.h"
|
|
|
|
#define MP_TALLOC_ELEMS(p) (talloc_get_size(p) / sizeof((p)[0]))
|
|
#define MP_GROW_ARRAY(p, nextidx) do { \
|
|
if ((nextidx) == MP_TALLOC_ELEMS(p)) \
|
|
p = talloc_realloc_size(NULL, p, talloc_get_size(p) * 2); } while (0)
|
|
#define MP_RESIZE_ARRAY(ctx, p, count) do { \
|
|
p = talloc_realloc_size((ctx), p, (count) * sizeof(p[0])); } while (0)
|
|
|
|
#define MP_TARRAY_GROW(ctx, p, nextidx) \
|
|
do { \
|
|
size_t nextidx_ = (nextidx); \
|
|
size_t nelems_ = MP_TALLOC_ELEMS(p); \
|
|
if (nextidx_ >= nelems_) \
|
|
p = talloc_realloc_size((ctx), p, \
|
|
(nextidx_ + 1) * sizeof((p)[0]) * 2);\
|
|
} while (0)
|
|
|
|
#define MP_TARRAY_APPEND(ctx, p, idxvar, ...) \
|
|
do { \
|
|
MP_TARRAY_GROW(ctx, p, idxvar); \
|
|
p[idxvar] = (MP_EXPAND_ARGS(__VA_ARGS__)); \
|
|
idxvar++; \
|
|
} while (0)
|
|
|
|
#define talloc_struct(ctx, type, ...) \
|
|
talloc_memdup(ctx, &(type) MP_EXPAND_ARGS(__VA_ARGS__), sizeof(type))
|
|
|
|
#endif
|