diff options
Diffstat (limited to 'fec.c')
| -rw-r--r-- | fec.c | 35 |
1 files changed, 11 insertions, 24 deletions
@@ -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]); } } |