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Replace local concat() and roundup() with C library defaults

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Patch by Oxy (Michael) <virtual_worlds@gmx.de>
Ref: 34896811/
This commit is contained in:
Robin Stuart 2016-03-02 21:12:38 +00:00
parent 0a034fd5ea
commit f17f10fa7c
29 changed files with 772 additions and 837 deletions
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16
backend/reedsol.c
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@ -51,8 +51,6 @@
#include <stdio.h> // only needed for debug (main)
#include <stdlib.h> // only needed for malloc/free
#include "reedsol.h"
static int gfpoly;
static int symsize; // in bits
static int logmod; // 2**symsize - 1
static int rlen;
@ -76,8 +74,6 @@ void rs_init_gf(const int poly) {
m++;
b >>= 1;
m--;
gfpoly = poly;
symsize = m;
// Calculate the log/alog tables
logmod = (1 << m) - 1;
@ -100,7 +96,7 @@ void rs_init_gf(const int poly) {
// (x + 2**i)*(x + 2**(i+1))*... [nsym terms]
// For ECC200, index is 1.
void rs_init_code(const int nsym,int index) {
void rs_init_code(const int nsym, int index) {
int i, k;
rspoly = (int *) malloc(sizeof (int) * (nsym + 1));
@ -120,7 +116,7 @@ void rs_init_code(const int nsym,int index) {
}
}
void rs_encode(const int len,const unsigned char *data, unsigned char *res) {
void rs_encode(const int len, const unsigned char *data, unsigned char *res) {
int i, k, m;
for (i = 0; i < rlen; i++)
res[i] = 0;
@ -128,19 +124,19 @@ void rs_encode(const int len,const unsigned char *data, unsigned char *res) {
m = res[rlen - 1] ^ data[i];
for (k = rlen - 1; k > 0; k--) {
if (m && rspoly[k])
res[k] = res[k - 1] ^ alog[(logt[m] + logt[rspoly[k]]) % logmod];
res[k] = (unsigned char) (res[k - 1] ^ alog[(logt[m] + logt[rspoly[k]]) % logmod]);
else
res[k] = res[k - 1];
}
if (m && rspoly[0])
res[0] = alog[(logt[m] + logt[rspoly[0]]) % logmod];
res[0] = (unsigned char) (alog[(logt[m] + logt[rspoly[0]]) % logmod]);
else
res[0] = 0;
}
}
/* The same as above but for larger bitlengths - Aztec code compatible */
void rs_encode_long(const int len,const unsigned int *data, unsigned int *res) {
void rs_encode_long(const int len, const unsigned int *data, unsigned int *res) {
int i, k, m;
for (i = 0; i < rlen; i++)
res[i] = 0;
@ -160,7 +156,7 @@ void rs_encode_long(const int len,const unsigned int *data, unsigned int *res) {
}
/* Free memory */
void rs_free(void) {
void rs_free(void) {
free(logt);
free(alog);
free(rspoly);