summaryrefslogtreecommitdiff
path: root/fec.c
diff options
context:
space:
mode:
Diffstat (limited to 'fec.c')
-rw-r--r--fec.c35
1 files changed, 11 insertions, 24 deletions
diff --git a/fec.c b/fec.c
index 09e8453..6d9020f 100644
--- a/fec.c
+++ b/fec.c
@@ -47,19 +47,6 @@
#include <string.h>
/*
- * compatibility stuff
- */
-#ifdef MSDOS /* but also for others, e.g. sun... */
-#define NEED_BCOPY
-#define bcmp(a,b,n) memcmp(a,b,n)
-#endif
-
-#ifdef NEED_BCOPY
-#define bcopy(s, d, siz) memcpy((d), (s), (siz))
-#define bzero(d, siz) memset((d), '\0', (siz))
-#endif
-
-/*
* stuff used for testing purposes only
*/
@@ -433,7 +420,7 @@ invert_mat(gf *src, int k)
gf *id_row = NEW_GF_MATRIX(1, k);
gf *temp_row = NEW_GF_MATRIX(1, k);
- bzero(id_row, k*sizeof(gf));
+ memset(id_row, '\0', k*sizeof(gf));
DEB( pivloops=0; pivswaps=0 ; /* diagnostic */ )
/*
* ipiv marks elements already used as pivots.
@@ -513,7 +500,7 @@ found_piv:
* we can optimize the addmul).
*/
id_row[icol] = 1;
- if (bcmp(pivot_row, id_row, k*sizeof(gf)) != 0) {
+ if (memcmp(pivot_row, id_row, k*sizeof(gf)) != 0) {
for (p = src, ix = 0 ; ix < k ; ix++, p += k ) {
if (ix != icol) {
c = p[icol] ;
@@ -704,7 +691,7 @@ fec_new(int k, int n)
/*
* the upper matrix is I so do not bother with a slow multiply
*/
- bzero(retval->enc_matrix, k*k*sizeof(gf) );
+ memset(retval->enc_matrix, '\0', k*k*sizeof(gf) );
for (p = retval->enc_matrix, col = 0 ; col < k ; col++, p += k+1 )
*p = 1 ;
free(tmp_m);
@@ -731,10 +718,10 @@ fec_encode(struct fec_parms *code, gf *src[], gf *fec, int index, int sz)
sz /= 2 ;
if (index < k)
- bcopy(src[index], fec, sz*sizeof(gf) ) ;
+ memcpy(fec, src[index], sz*sizeof(gf) ) ;
else if (index < code->n) {
p = &(code->enc_matrix[index*k] );
- bzero(fec, sz*sizeof(gf));
+ memset(fec, '\0', sz*sizeof(gf));
for (i = 0; i < k ; i++)
addmul(fec, src[i], p[i], sz ) ;
} else
@@ -751,10 +738,10 @@ void fec_encode_linear(struct fec_parms *code, gf *src, gf *fec, int index, int
sz /= 2 ;
if (index < k)
- bcopy(src + (index * sz), fec, sz*sizeof(gf) ) ;
+ memcpy(fec, src + (index * sz), sz*sizeof(gf) ) ;
else if (index < code->n) {
p = &(code->enc_matrix[index*k] );
- bzero(fec, sz*sizeof(gf));
+ memset(fec, '\0', sz*sizeof(gf));
for (i = 0; i < k ; i++)
addmul(fec, src + (i * sz), p[i], sz ) ;
} else
@@ -814,12 +801,12 @@ build_decode_matrix(struct fec_parms *code, gf *pkt[], int index[])
for (i = 0, p = matrix ; i < k ; i++, p += k ) {
#if 1 /* this is simply an optimization, not very useful indeed */
if (index[i] < k) {
- bzero(p, k*sizeof(gf) );
+ memset(p, '\0', k*sizeof(gf) );
p[i] = 1 ;
} else
#endif
if (index[i] < code->n )
- bcopy( &(code->enc_matrix[index[i]*k]), p, k*sizeof(gf) );
+ memcpy(p, &(code->enc_matrix[index[i]*k]), k*sizeof(gf) );
else {
fprintf(stderr, "decode: invalid index %d (max %d)\n",
index[i], code->n - 1 );
@@ -870,7 +857,7 @@ fec_decode(struct fec_parms *code, gf *pkt[], int index[], int sz)
for (row = 0 ; row < k ; row++ ) {
if (index[row] >= k) {
new_pkt[row] = my_malloc (sz * sizeof (gf), "new pkt buffer" );
- bzero(new_pkt[row], sz * sizeof(gf) ) ;
+ memset(new_pkt[row], '\0', sz * sizeof(gf) ) ;
for (col = 0 ; col < k ; col++ )
addmul(new_pkt[row], pkt[col], m_dec[row*k + col], sz) ;
}
@@ -880,7 +867,7 @@ fec_decode(struct fec_parms *code, gf *pkt[], int index[], int sz)
*/
for (row = 0 ; row < k ; row++ ) {
if (index[row] >= k) {
- bcopy(new_pkt[row], pkt[row], sz*sizeof(gf));
+ memcpy(pkt[row], new_pkt[row], sz*sizeof(gf));
free(new_pkt[row]);
}
}