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Fix for compiler warnings and style

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Changes for C90 compliance, and style following review
This commit is contained in:
Simon Butcher 2015-12-27 23:01:55 +00:00
parent c42350125e
commit f5ba04541e
1 changed files with 16 additions and 14 deletions
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18
library/bignum.c
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@ -1212,21 +1212,27 @@ int mbedtls_mpi_mul_int( mbedtls_mpi *X, const mbedtls_mpi *A, mbedtls_mpi_uint
}
/*
* Unsigned integer divide - 64bit dividend and 32bit divisor
* Unsigned integer divide - double mbedtls_mpi_uint dividend, u1/u0, and
* mbedtls_mpi_uint divisor, d
*/
static mbedtls_mpi_uint mbedtls_int_div_int( mbedtls_mpi_uint u1,
mbedtls_mpi_uint u0, mbedtls_mpi_uint d, mbedtls_mpi_uint *r )
{
#if defined(MBEDTLS_HAVE_UDBL)
mbedtls_t_udbl dividend, quotient;
#else
const mbedtls_mpi_uint radix = 1 << biH;
mbedtls_mpi_uint d0, d1, q0, q1, rAX, r0, quotient;
mbedtls_mpi_uint u0_msw, u0_lsw;
int s;
#endif
/*
* Check for overflow
*/
if(( 0 == d ) || ( u1 >= d ))
if( 0 == d || u1 >= d )
{
if (r != NULL) *r = (~0);
if (r != NULL) *r = ~0;
return ( ~0 );
}
@ -1243,10 +1249,6 @@ static mbedtls_mpi_uint mbedtls_int_div_int(mbedtls_mpi_uint u1,
return (mbedtls_mpi_uint) quotient;
#else
const mbedtls_mpi_uint radix = 1 << biH;
mbedtls_mpi_uint d0, d1, q0, q1, rAX, r0, quotient;
mbedtls_mpi_uint u0_msw, u0_lsw;
int s;
/*
* Algorithm D, Section 4.3.1 - The Art of Computer Programming
@ -1260,7 +1262,7 @@ static mbedtls_mpi_uint mbedtls_int_div_int(mbedtls_mpi_uint u1,
d = d << s;
u1 = u1 << s;
u1 |= (u0 >> (32 - s)) & ( (-s) >> 31);
u1 |= ( u0 >> ( 32 - s ) ) & ( -s >> 31 );
u0 = u0 << s;
d1 = d >> biH;