lib/mbedtls
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Use size_t cast for pointer subtractions

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-11-04 12:20:09 +00:00
parent effdfe7409
commit e4a6f5a7ec
26 changed files with 99 additions and 98 deletions
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14
library/ssl_client.c
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@ -155,7 +155,7 @@ static int ssl_write_alpn_ext(mbedtls_ssl_context *ssl,
p += protocol_name_len;
}
*out_len = p - buf;
*out_len = (size_t) (p - buf);
/* List length = *out_len - 2 (ext_type) - 2 (ext_len) - 2 (list_len) */
MBEDTLS_PUT_UINT16_BE(*out_len - 6, buf, 4);
@ -285,7 +285,7 @@ static int ssl_write_supported_groups_ext(mbedtls_ssl_context *ssl,
}
/* Length of named_group_list */
named_group_list_len = p - named_group_list;
named_group_list_len = (size_t) (p - named_group_list);
if (named_group_list_len == 0) {
MBEDTLS_SSL_DEBUG_MSG(1, ("No group available."));
return MBEDTLS_ERR_SSL_INTERNAL_ERROR;
@ -301,7 +301,7 @@ static int ssl_write_supported_groups_ext(mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF(3, "Supported groups extension",
buf + 4, named_group_list_len + 2);
*out_len = p - buf;
*out_len = (size_t) (p - buf);
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
mbedtls_ssl_tls13_set_hs_sent_ext_mask(
@ -391,14 +391,14 @@ static int ssl_write_client_hello_cipher_suites(
}
/* Write the cipher_suites length in number of bytes */
cipher_suites_len = p - cipher_suites;
cipher_suites_len = (size_t) (p - cipher_suites);
MBEDTLS_PUT_UINT16_BE(cipher_suites_len, buf, 0);
MBEDTLS_SSL_DEBUG_MSG(3,
("client hello, got %" MBEDTLS_PRINTF_SIZET " cipher suites",
cipher_suites_len/2));
/* Output the total length of cipher_suites field. */
*out_len = p - buf;
*out_len = (size_t) (p - buf);
return 0;
}
@ -679,7 +679,7 @@ static int ssl_write_client_hello_body(mbedtls_ssl_context *ssl,
#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED */
/* Write the length of the list of extensions. */
extensions_len = p - p_extensions_len - 2;
extensions_len = (size_t) (p - p_extensions_len) - 2;
if (extensions_len == 0) {
p = p_extensions_len;
@ -696,7 +696,7 @@ static int ssl_write_client_hello_body(mbedtls_ssl_context *ssl,
3, MBEDTLS_SSL_HS_CLIENT_HELLO, handshake->sent_extensions);
#endif
*out_len = p - buf;
*out_len = (size_t) (p - buf);
return 0;
}