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wangyu-
2017-09-27 10:47:32 -05:00
parent bf121f6f73
commit a71576c180
12 changed files with 140 additions and 56 deletions
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28
lib/rs.c
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@@ -5,6 +5,8 @@
* Author: root
*/
#include "rs.h"
#include "stdlib.h"
#include "string.h"
void rs_encode(void *code,char *data[],int size)
{
@@ -42,3 +44,29 @@ int rs_decode(void *code,char *data[],int size)
}
return fec_decode(code,(void**)data,index,size);
}
static void * (*table)[256]=0;
void* get_code(int k,int n)
{
if (table==0)
{
table=(void* (*)[256]) malloc(sizeof(void*)*256*256);
memset(table,0,sizeof(void*)*256*256);
}
if(table[k][n]==0)
{
table[k][n]=fec_new(k,n);
}
return table[k][n];
}
void rs_encode2(int k,int n,char *data[],int size)
{
void* code=get_code(k,n);
rs_encode(code,data,size);
}
int rs_decode2(int k,int n,char *data[],int size)
{
void* code=get_code(k,n);
return rs_decode(code,data,size);
}

4
lib/rs.h
View File

@@ -40,6 +40,10 @@ void rs_encode(void *code,char *data[],int size);
int rs_decode(void *code,char *data[],int size);
void rs_encode2(int k,int n,char *data[],int size);
int rs_decode2(int k,int n,char *data[],int size);