RetroZilla/security/nss/lib/freebl/mpi/tests/mptest-6.c
2018-05-19 22:01:21 +08:00

79 lines
1.4 KiB
C

/*
* Simple test driver for MPI library
*
* Test 6: Output functions
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include "mpi.h"
void print_buf(FILE *ofp, char *buf, int len)
{
int ix, brk = 0;
for(ix = 0; ix < len; ix++) {
fprintf(ofp, "%02X ", buf[ix]);
brk = (brk + 1) & 0xF;
if(!brk)
fputc('\n', ofp);
}
if(brk)
fputc('\n', ofp);
}
int main(int argc, char *argv[])
{
int ix, size;
mp_int a;
char *buf;
if(argc < 2) {
fprintf(stderr, "Usage: %s <a>\n", argv[0]);
return 1;
}
printf("Test 6: Output functions\n\n");
mp_init(&a);
mp_read_radix(&a, argv[1], 10);
printf("\nConverting to a string:\n");
printf("Rx Size Representation\n");
for(ix = 2; ix <= MAX_RADIX; ix++) {
size = mp_radix_size(&a, ix);
buf = calloc(size, sizeof(char));
mp_toradix(&a, buf, ix);
printf("%2d: %3d: %s\n", ix, size, buf);
free(buf);
}
printf("\nRaw output:\n");
size = mp_raw_size(&a);
buf = calloc(size, sizeof(char));
printf("Size: %d bytes\n", size);
mp_toraw(&a, buf);
print_buf(stdout, buf, size);
free(buf);
mp_clear(&a);
return 0;
}