denyhosts/clamav/libclamav/tomsfastmath/bin/fp_read_signed_bin.c

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/* TomsFastMath, a fast ISO C bignum library.
*
* This project is meant to fill in where LibTomMath
* falls short. That is speed ;-)
*
* This project is public domain and free for all purposes.
*
* Tom St Denis, tomstdenis@gmail.com
*/
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#include <tfm_private.h>
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void fp_read_signed_bin(fp_int *a, const unsigned char *b, int c)
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{
/* read magnitude */
fp_read_unsigned_bin (a, b + 1, c - 1);
/* first byte is 0 for positive, non-zero for negative */
if (b[0] == 0) {
a->sign = FP_ZPOS;
} else {
a->sign = FP_NEG;
}
}
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/* $Source$ */
/* $Revision$ */
/* $Date$ */