lib/mbedtls
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Fix MSVC warnings in library and programs

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This commit is contained in:
Manuel Pégourié-Gonnard
2015-07-01 15:51:43 +02:00
parent 7e2d68c1b2
commit 9de64f5af1
7 changed files with 38 additions and 18 deletions
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20
library/ssl_srv.c
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@ -1022,11 +1022,11 @@ have_ciphersuite_v2:
static int ssl_parse_client_hello( mbedtls_ssl_context *ssl )
{
int ret, got_common_suite;
unsigned int i, j;
unsigned int ciph_offset, comp_offset, ext_offset;
unsigned int msg_len, ciph_len, sess_len, comp_len, ext_len;
size_t i, j;
size_t ciph_offset, comp_offset, ext_offset;
size_t msg_len, ciph_len, sess_len, comp_len, ext_len;
#if defined(MBEDTLS_SSL_PROTO_DTLS)
unsigned int cookie_offset, cookie_len;
size_t cookie_offset, cookie_len;
#endif
unsigned char *buf, *p, *ext;
#if defined(MBEDTLS_SSL_RENEGOTIATION)
@ -3025,8 +3025,18 @@ static int ssl_parse_encrypted_pms( mbedtls_ssl_context *ssl,
}
ssl->handshake->pmslen = 48;
/* mask = diff ? 0xff : 0x00 */
/* mask = diff ? 0xff : 0x00 using bit operations to avoid branches */
/* MSVC has a warning about unary minus on unsigned, but this is
* well-defined and precisely what we want to do here */
#if defined(_MSC_VER)
#pragma warning( push )
#pragma warning( disable : 4146 )
#endif
mask = - ( ( diff | - diff ) >> ( sizeof( unsigned int ) * 8 - 1 ) );
#if defined(_MSC_VER)
#pragma warning( pop )
#endif
for( i = 0; i < ssl->handshake->pmslen; i++ )
pms[i] = ( mask & fake_pms[i] ) | ( (~mask) & peer_pms[i] );