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Fix MSVC warning in net.c

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The warning was caused because in MSVC some of the function parameters
for the socket APIs are int while the fields in struct addrinfo are
size_t e.g. possible data loss.
This commit is contained in:
Andres Amaya Garcia 2017-07-06 14:09:24 +01:00 committed by Simon Butcher
parent 2d0a5840fe
commit 6e5e9aaf7f
1 changed files with 10 additions and 2 deletions
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12
library/net.c
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@ -92,6 +92,14 @@ static int wsa_init_done = 0;
#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
/* Some MS functions want int and MSVC warns if we pass size_t,
* but the standard fucntions use socklen_t, so cast only for MSVC */
#if defined(_MSC_VER)
#define MSVC_INT_CAST (int)
#else
#define MSVC_INT_CAST
#endif
#include <stdlib.h>
#include <stdio.h>
@ -202,7 +210,7 @@ int net_connect( int *fd, const char *host, int port )
continue;
}
if( connect( *fd, cur->ai_addr, cur->ai_addrlen ) == 0 )
if( connect( *fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) == 0 )
{
ret = 0;
break;
@ -299,7 +307,7 @@ int net_bind( int *fd, const char *bind_ip, int port )
continue;
}
if( bind( *fd, cur->ai_addr, cur->ai_addrlen ) != 0 )
if( bind( *fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) != 0 )
{
close( *fd );
ret = POLARSSL_ERR_NET_BIND_FAILED;