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26 lines
705 B
26 lines
705 B
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* (C) Copyright 2003 |
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* Gerry Hamel, [email protected], Texas Instruments |
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*/ |
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#ifndef __CIRCBUF_H__ |
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#define __CIRCBUF_H__ |
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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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char *top; /* pointer to current buffer start */ |
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char *tail; /* pointer to space for next element */ |
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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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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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#endif
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