192 	int line = 0;  in DecodeMatrix()  local
199 	while (line < len) {    /* Are we done with all lines of the matrix? */  in DecodeMatrix()
200 		if ((line % 10) == 0) {	/* the 0. line of the matrix is always 0 ! */  in DecodeMatrix()
201 			if (m[line] != 0x00) {	/* not 0 ? -> error! */  in DecodeMatrix()
207 			line++; /* next line of matrix */  in DecodeMatrix()
209 		} else if ((line % 10) == 5) {	/* in line 5 there's only e-bits ! */  in DecodeMatrix()
210 			if ((m[line] & 0x70) != 0x30) {	/* 011 has to be at the beginning! */  in DecodeMatrix()
216 			line++; /* next line */  in DecodeMatrix()
219 			introducer = (m[line] & mbit) ? 0 : 1;	/* current bit of the matrix */  in DecodeMatrix()
226 			line++;  in DecodeMatrix()
229 			if (m[line] & mbit)	/* was that bit set in the matrix ? */  in DecodeMatrix()
327 	int line = 0;  in EncodeMatrix()  local
334 	while ((i < len) && (line < mlen)) {	/* while we still have input data */  in EncodeMatrix()
335 		switch (line % 10) {	/* in which line of the matrix are we? */  in EncodeMatrix()
337 			m[line++] = 0x00;	/* line 0 is always 0 */  in EncodeMatrix()
341 			m[line++] = 0xbf;	/* line 5 is always 10111111 */  in EncodeMatrix()
345 		if (line >= mlen) {  in EncodeMatrix()
347 			return line;  in EncodeMatrix()
352 			line++;	/* rightmost -> go to next line */  in EncodeMatrix()
353 			if (line >= mlen) {  in EncodeMatrix()
355 				return line;  in EncodeMatrix()
358 			m[line] = 128;	/* leftmost -> set byte to 1000000 */  in EncodeMatrix()
364 			m[line] |= ibit[introducer] ? mbit : 0;	/* set corresponding bit */  in EncodeMatrix()
368 		m[line] |= (buf[i] & dbit) ? mbit : 0;	/* set data bit in matrix */  in EncodeMatrix()
375 				m[line] |= (mbit - 1) & 0xfe;	/* set remaining bits in line to 1 */  in EncodeMatrix()
385 	if ((line) && ((line + 10) < mlen))  in EncodeMatrix()
386 		switch (++line % 10) {  in EncodeMatrix()
388 			m[line++] = 0xfe;  in EncodeMatrix()
390 			m[line++] = 0xfe;  in EncodeMatrix()
392 			m[line++] = 0xfe;  in EncodeMatrix()
394 			m[line++] = 0xfe;  in EncodeMatrix()
396 			m[line++] = 0xbf;  in EncodeMatrix()
398 			m[line++] = 0xfe;  in EncodeMatrix()
400 			m[line++] = 0xfe;  in EncodeMatrix()
402 			m[line++] = 0xfe;  in EncodeMatrix()
404 			m[line++] = 0xfe;  in EncodeMatrix()
406 	return line;            /* that's how many lines we have */  in EncodeMatrix()