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#include <tommath.h>
/* LibTomMath, multiple-precision integer library -- Tom St Denis
* LibTomMath is a library that provides multiple-precision
* integer arithmetic as well as number theoretic functionality.
* The library was designed directly after the MPI library by
* Michael Fromberger but has been written from scratch with
* additional optimizations in place.
* The library is free for all purposes without any express
* guarantee it works.
* Tom St Denis,,
int mp_fwrite(mp_int *a, int radix, FILE *stream)
char *buf;
int err, len, x;
if ((err = mp_radix_size(a, radix, &len)) != MP_OKAY) {
return err;
buf = OPT_CAST(char) XMALLOC (len);
if (buf == NULL) {
return MP_MEM;
if ((err = mp_toradix(a, buf, radix)) != MP_OKAY) {
XFREE (buf);
return err;
for (x = 0; x < len; x++) {
if (fputc(buf[x], stream) == EOF) {
XFREE (buf);
return MP_VAL;
XFREE (buf);
return MP_OKAY;
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