buffer.h

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00001 
00011 #ifndef BUFFER_H
00012 #define BUFFER_H
00013 
00014 #include <inttypes.h>
00015 
00016 #ifndef BUFFER_BITS
00017 
00019 #define BUFFER_BITS    7
00020 #endif
00021 
00024 #define buffer_init( b )    b.head = b.tail = 0        
00025 
00028 struct buffer
00029 {
00030     unsigned char data[1<<BUFFER_BITS];
00031     uint8_t head, tail;
00032 };
00033 
00043 char buffer_put( struct buffer *b, char c );
00044 
00055 char buffer_get( struct buffer *b );
00056 
00062 uint8_t buffer_size( struct buffer *b );
00063 
00064 #endif

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