46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2002 Fabrice Bellard | ||
|  |  * | ||
|  |  * This file is part of FFmpeg. | ||
|  |  * | ||
|  |  * FFmpeg is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU Lesser General Public | ||
|  |  * License as published by the Free Software Foundation; either | ||
|  |  * version 2.1 of the License, or (at your option) any later version. | ||
|  |  * | ||
|  |  * FFmpeg 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 | ||
|  |  * Lesser General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU Lesser General Public | ||
|  |  * License along with FFmpeg; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifndef AVUTIL_MEM_INTERNAL_H
 | ||
|  | #define AVUTIL_MEM_INTERNAL_H
 | ||
|  | 
 | ||
|  | #include "avassert.h"
 | ||
|  | #include "mem.h"
 | ||
|  | 
 | ||
|  | static inline int ff_fast_malloc(void *ptr, unsigned int *size, size_t min_size, int zero_realloc) | ||
|  | { | ||
|  |     void *val; | ||
|  | 
 | ||
|  |     memcpy(&val, ptr, sizeof(val)); | ||
|  |     if (min_size <= *size) { | ||
|  |         av_assert0(val || !min_size); | ||
|  |         return 0; | ||
|  |     } | ||
|  |     min_size = FFMAX(min_size + min_size / 16 + 32, min_size); | ||
|  |     av_freep(ptr); | ||
|  |     val = zero_realloc ? av_mallocz(min_size) : av_malloc(min_size); | ||
|  |     memcpy(ptr, &val, sizeof(val)); | ||
|  |     if (!val) | ||
|  |         min_size = 0; | ||
|  |     *size = min_size; | ||
|  |     return 1; | ||
|  | } | ||
|  | #endif /* AVUTIL_MEM_INTERNAL_H */
 |