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Uniformly treat MTU as size_t

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Hanno Becker 2018-08-22 14:41:02 +01:00
parent a67dee256d
commit 11682ccc78
1 changed files with 6 additions and 6 deletions
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12
library/ssl_tls.c
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@ -109,24 +109,24 @@ static void ssl_update_in_pointers( mbedtls_ssl_context *ssl,
#if defined(MBEDTLS_SSL_PROTO_DTLS) #if defined(MBEDTLS_SSL_PROTO_DTLS)
static size_t ssl_get_current_mtu( const mbedtls_ssl_context *ssl ); static size_t ssl_get_current_mtu( const mbedtls_ssl_context *ssl );
static uint16_t ssl_get_maximum_datagram_size( mbedtls_ssl_context const *ssl ) static size_t ssl_get_maximum_datagram_size( mbedtls_ssl_context const *ssl )
{ {
uint16_t mtu = ssl_get_current_mtu( ssl ); size_t mtu = ssl_get_current_mtu( ssl );
if( mtu != 0 && mtu < MBEDTLS_SSL_OUT_BUFFER_LEN ) if( mtu != 0 && mtu < MBEDTLS_SSL_OUT_BUFFER_LEN )
return( (int) mtu ); return( mtu );
return( MBEDTLS_SSL_OUT_BUFFER_LEN ); return( MBEDTLS_SSL_OUT_BUFFER_LEN );
} }
static int ssl_get_remaining_space_in_datagram( mbedtls_ssl_context const *ssl ) static int ssl_get_remaining_space_in_datagram( mbedtls_ssl_context const *ssl )
{ {
size_t const bytes_written = ssl->out_left; size_t const bytes_written = ssl->out_left;
uint16_t const mtu = ssl_get_maximum_datagram_size( ssl ); size_t const mtu = ssl_get_maximum_datagram_size( ssl );
/* Double-check that the write-index hasn't gone /* Double-check that the write-index hasn't gone
* past what we can transmit in a single datagram. */ * past what we can transmit in a single datagram. */
if( bytes_written > (size_t) mtu ) if( bytes_written > mtu )
{ {
/* Should never happen... */ /* Should never happen... */
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR ); return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );