blob: 6fdbcb016e72b4099493164cda9e8c23cef33507
| 1 | /* |
| 2 | * Copyright (c) 2002 Fabrice Bellard |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef AVUTIL_MEM_INTERNAL_H |
| 22 | #define AVUTIL_MEM_INTERNAL_H |
| 23 | |
| 24 | #include "avassert.h" |
| 25 | #include "mem.h" |
| 26 | |
| 27 | static inline int ff_fast_malloc(void *ptr, unsigned int *size, size_t min_size, int zero_realloc) |
| 28 | { |
| 29 | void *val; |
| 30 | |
| 31 | memcpy(&val, ptr, sizeof(val)); |
| 32 | if (min_size <= *size) { |
| 33 | av_assert0(val || !min_size); |
| 34 | return 0; |
| 35 | } |
| 36 | min_size = FFMAX(min_size + min_size / 16 + 32, min_size); |
| 37 | av_freep(ptr); |
| 38 | val = zero_realloc ? av_mallocz(min_size) : av_malloc(min_size); |
| 39 | memcpy(ptr, &val, sizeof(val)); |
| 40 | if (!val) |
| 41 | min_size = 0; |
| 42 | *size = min_size; |
| 43 | return 1; |
| 44 | } |
| 45 | #endif /* AVUTIL_MEM_INTERNAL_H */ |
| 46 |