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Show/hide line numbers RingBuffer.cpp Source File

RingBuffer.cpp

00001 #include "RingBuffer.h"
00002 
00003 void RingBuffer::insert(int sample){
00004   if((end+1)%bufSize==start){
00005     start=(start+1)%bufSize;
00006     cur=start;
00007     count--;
00008   }
00009   buf[end]=sample;
00010   end=(end+1)%bufSize;
00011   count++;
00012 }
00013 
00014 int RingBuffer::next(){
00015   int ret=buf[cur];
00016   cur=(cur+1)%bufSize;
00017   if ((cur >= end) && (count < bufSize)) cur = start;
00018   return ret;
00019 }
00020 
00021 void RingBuffer::dump(FILE *fp)const{
00022   if(!fp){
00023     int i=start;
00024     while(i!=end){
00025       printf("%d\r\n", buf[i]);
00026       i=(i+1)%bufSize;
00027     }
00028   }else{
00029     int i=start;
00030     while(i!=end){
00031       fprintf(fp, "%d\r\n", buf[i]);
00032       i=(i+1)%bufSize;
00033     }
00034   }
00035 }
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