Fix compiler warning in test
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 3d09d85..8155b5a 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -18,7 +18,7 @@
unsigned char buf[4000];
unsigned char check_buf[4000];
int ret;
- size_t olen = 2000;
+ size_t olen = 2000, r;
FILE *f;
cur = &req_name;
@@ -52,8 +52,9 @@
f = fopen( {cert_req_check_file}, "r" );
TEST_ASSERT( f != NULL );
- (void) fread( check_buf, 1, 4000, f );
+ r = fread( check_buf, 1, 4000, f );
fclose( f );
+ TEST_ASSERT( r != 0 );
pem_init( &pem );
pem_read_buffer( &pem, (char *) "-----BEGIN CERTIFICATE REQUEST-----", (char *) "-----END CERTIFICATE REQUEST-----", check_buf, NULL, 0, &olen );