47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#include "amplify_tommath_private.h"
|
|
#ifdef AMPLIFY_BN_MP_FWRITE_C
|
|
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
|
|
/* SPDX-License-Identifier: Unlicense */
|
|
/* Modifications Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. */
|
|
|
|
#ifndef AMPLIFY_MP_NO_FILE
|
|
amplify_mp_err amplify_mp_fwrite(const amplify_mp_int *a, int radix, FILE *stream)
|
|
{
|
|
char *buf;
|
|
amplify_mp_err err;
|
|
int len;
|
|
size_t written;
|
|
|
|
/* TODO: this function is not in this PR */
|
|
if (AMPLIFY_MP_HAS(MP_RADIX_SIZE_OVERESTIMATE)) {
|
|
/* if ((err = amplify_mp_radix_size_overestimate(&t, base, &len)) != AMPLIFY_MP_OKAY) goto LBL_ERR; */
|
|
} else {
|
|
if ((err = amplify_mp_radix_size(a, radix, &len)) != AMPLIFY_MP_OKAY) {
|
|
return err;
|
|
}
|
|
}
|
|
|
|
buf = (char *) AMPLIFY_MP_MALLOC((size_t)len);
|
|
if (buf == NULL) {
|
|
return AMPLIFY_MP_MEM;
|
|
}
|
|
|
|
if ((err = amplify_mp_to_radix(a, buf, (size_t)len, &written, radix)) != AMPLIFY_MP_OKAY) {
|
|
goto LBL_ERR;
|
|
}
|
|
|
|
if (fwrite(buf, written, 1uL, stream) != 1uL) {
|
|
err = AMPLIFY_MP_ERR;
|
|
goto LBL_ERR;
|
|
}
|
|
err = AMPLIFY_MP_OKAY;
|
|
|
|
|
|
LBL_ERR:
|
|
AMPLIFY_MP_FREE_BUFFER(buf, (size_t)len);
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
#endif
|