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annotate libtommath/bn_s_mp_reverse.c @ 1917:f8ed10efaaac

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author Matt Johnston <matt@ucc.asn.au>
date Wed, 30 Mar 2022 11:51:56 +0800
parents 1051e4eea25a
children
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1692
1051e4eea25a Update LibTomMath to 1.2.0 (#84)
Steffen Jaeckel <s@jaeckel.eu>
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1 #include "tommath_private.h"
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2 #ifdef BN_S_MP_REVERSE_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 /* reverse an array, used for radix code */
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7 void s_mp_reverse(unsigned char *s, size_t len)
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8 {
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9 size_t ix, iy;
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10 unsigned char t;
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11
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12 ix = 0u;
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13 iy = len - 1u;
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14 while (ix < iy) {
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15 t = s[ix];
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16 s[ix] = s[iy];
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17 s[iy] = t;
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18 ++ix;
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19 --iy;
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20 }
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21 }
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22 #endif