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	Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			28 lines
		
	
	
		
			705 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			705 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * (C) Copyright 2003
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|  * Gerry Hamel, geh@ti.com, Texas Instruments
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #ifndef __CIRCBUF_H__
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| #define __CIRCBUF_H__
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| 
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| typedef struct circbuf {
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| 	unsigned int size;	/* current number of bytes held */
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| 	unsigned int totalsize; /* number of bytes allocated */
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| 
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| 	char *top;		/* pointer to current buffer start */
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| 	char *tail;		/* pointer to space for next element */
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| 
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| 	char *data;		/* all data */
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| 	char *end;		/* end of data buffer */
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| } circbuf_t;
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| 
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| int buf_init (circbuf_t * buf, unsigned int size);
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| int buf_free (circbuf_t * buf);
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| int buf_pop (circbuf_t * buf, char *dest, unsigned int len);
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| int buf_push (circbuf_t * buf, const char *src, unsigned int len);
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| 
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| #endif
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