POLY->ASCII: added inline comments.
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@ -19,11 +19,11 @@
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* MA 02110-1301 USA
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* MA 02110-1301 USA
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*/
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*/
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#include "ascii_poly.h"
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#include "context.h"
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#include "context.h"
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#include "err.h"
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#include "err.h"
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#include "mem.h"
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#include "mem.h"
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#include "poly.h"
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#include "poly.h"
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#include "ascii_poly.h"
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#include <math.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdio.h>
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@ -101,16 +101,24 @@ char *polynom_to_ascii(pb_poly *to_ascii)
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char *tmp_ptr = string;
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char *tmp_ptr = string;
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u_int8_t ascii_value = 0;
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u_int8_t ascii_value = 0;
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/* every char */
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for (u_int32_t i = 0; i < length_poly; i += ASCII_DIGITS) {
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for (u_int32_t i = 0; i < length_poly; i += ASCII_DIGITS) {
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/* every bit*/
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for (u_int32_t j = 0; j < ASCII_DIGITS; j++) {
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for (u_int32_t j = 0; j < ASCII_DIGITS; j++) {
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/* get the bit */
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if (mp_toradix(&(to_ascii->terms[i + j]), &bit_buffer, 2)) {
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if (mp_toradix(&(to_ascii->terms[i + j]), &bit_buffer, 2)) {
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return NULL;
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return NULL;
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}
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}
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/* bit as integer */
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u_int8_t bit = atoi(&bit_buffer);
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u_int8_t bit = atoi(&bit_buffer);
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/* bitshift to the left */
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ascii_value <<= 1;
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ascii_value <<= 1;
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/* set the new bit and keep the other */
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ascii_value |= bit;
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ascii_value |= bit;
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}
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}
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*tmp_ptr++ = ascii_value;
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/* char into string */
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*tmp_ptr++ = (char) ascii_value;
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/* reset for next char */
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ascii_value = 0;
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ascii_value = 0;
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}
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}
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return string;
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return string;
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