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annotate libtommath/bn_mp_fwrite.c @ 1708:58f7ca8ebc82

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Set IOV_MAX for IRIX
author Kazuo Kuroi <kazuo@irixnet.org>
date Wed, 10 Jun 2020 22:09:29 +0800
parents 1051e4eea25a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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f52919ffd3b1 update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
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1 #include "tommath_private.h"
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2 #ifdef BN_MP_FWRITE_C
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3 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
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4 /* SPDX-License-Identifier: Unlicense */
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5
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6 #ifndef MP_NO_FILE
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7 mp_err mp_fwrite(const mp_int *a, int radix, FILE *stream)
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8 {
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9 char *buf;
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10 mp_err err;
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11 int len;
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12 size_t written;
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13
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14 /* TODO: this function is not in this PR */
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15 if (MP_HAS(MP_RADIX_SIZE_OVERESTIMATE)) {
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16 /* if ((err = mp_radix_size_overestimate(&t, base, &len)) != MP_OKAY) goto LBL_ERR; */
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17 } else {
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18 if ((err = mp_radix_size(a, radix, &len)) != MP_OKAY) {
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19 return err;
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20 }
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21 }
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22
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23 buf = (char *) MP_MALLOC((size_t)len);
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24 if (buf == NULL) {
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25 return MP_MEM;
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26 }
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27
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28 if ((err = mp_to_radix(a, buf, (size_t)len, &written, radix)) != MP_OKAY) {
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29 goto LBL_ERR;
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30 }
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31
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32 if (fwrite(buf, written, 1uL, stream) != 1uL) {
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33 err = MP_ERR;
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34 goto LBL_ERR;
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35 }
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36 err = MP_OKAY;
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37
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38
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39 LBL_ERR:
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40 MP_FREE_BUFFER(buf, (size_t)len);
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41 return err;
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42 }
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43 #endif
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45 #endif