The Tor Browser: security/nss/lib/freebl/mpi/tests/mptest-6.c@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*

     2  *  Simple test driver for MPI library

     3  *

     4  *  Test 6: Output functions

     5  *

     6  * This Source Code Form is subject to the terms of the Mozilla Public

     7  * License, v. 2.0. If a copy of the MPL was not distributed with this

     8  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

    10 #include <stdio.h>

    11 #include <stdlib.h>

    12 #include <string.h>

    13 #include <ctype.h>

    14 #include <limits.h>

    16 #include "mpi.h"

    18 void print_buf(FILE *ofp, char *buf, int len)

    19 {

    20   int ix, brk = 0;

    22   for(ix = 0; ix < len; ix++) {

    23     fprintf(ofp, "%02X ", buf[ix]);

    25     brk = (brk + 1) & 0xF;

    26     if(!brk)

    27       fputc('\n', ofp);

    28   }

    30   if(brk)

    31     fputc('\n', ofp);

    33 }

    35 int main(int argc, char *argv[])

    36 {

    37   int       ix, size;

    38   mp_int    a;

    39   char     *buf;

    41   if(argc < 2) {

    42     fprintf(stderr, "Usage: %s <a>\n", argv[0]);

    43     return 1;

    44   }

    46   printf("Test 6: Output functions\n\n");

    48   mp_init(&a);

    50   mp_read_radix(&a, argv[1], 10);

    52   printf("\nConverting to a string:\n");

    54   printf("Rx Size Representation\n");

    55   for(ix = 2; ix <= MAX_RADIX; ix++) {

    56     size = mp_radix_size(&a, ix);

    58     buf = calloc(size, sizeof(char));

    59     mp_toradix(&a, buf, ix);

    60     printf("%2d: %3d: %s\n", ix, size, buf);

    61     free(buf);

    63   }

    65   printf("\nRaw output:\n");

    66   size = mp_raw_size(&a);

    67   buf = calloc(size, sizeof(char));

    69   printf("Size:  %d bytes\n", size);

    71   mp_toraw(&a, buf);

    72   print_buf(stdout, buf, size);

    73   free(buf);

    75   mp_clear(&a);

    77   return 0;

    78 }

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