Fix MSVC warning in sample programs
The warning was caused because of conversions from size_t to int, which
can cause data loss. The files affected are:
* ssl_client2.c
* ssl_server2.c
* ssl_mail_client.c
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 1856cc4..af3b0d3 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -1267,7 +1267,7 @@
len = polarssl_snprintf( (char *) buf, sizeof(buf) - 1, GET_REQUEST,
opt.request_page );
- tail_len = strlen( GET_REQUEST_END );
+ tail_len = (int) strlen( GET_REQUEST_END );
/* Add padding to GET request to reach opt.request_size in length */
if( opt.request_size != DFL_REQUEST_SIZE &&
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 27c57a1..8958f18 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -57,8 +57,8 @@
#include <unistd.h>
#else
#include <io.h>
-#define read _read
-#define write _write
+#define read(fd, buf, len) _read( fd, (void *)buf, (unsigned int)len )
+#define write(fd, buf, len) _write( fd, (const void *)buf, (unsigned int)len )
#endif
#if defined(_WIN32) || defined(_WIN32_WCE)
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 5b4d634..b99aeb6 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -1791,7 +1791,7 @@
unsigned char *larger_buf;
ori_len = ret;
- extra_len = ssl_get_bytes_avail( &ssl );
+ extra_len = (int) ssl_get_bytes_avail( &ssl );
larger_buf = polarssl_malloc( ori_len + extra_len + 1 );
if( larger_buf == NULL )