For you info, warnings when build with VC14 Win64.
See attached. Steffen
h2_conn.c(388): warning C4311: 'type cast': pointer truncation from 'apr_pool_t *' to 'long' h2_session.c(105): warning C4267: 'return': conversion from 'size_t' to 'long', possible loss of data h2_session.c(447): warning C4267: 'initializing': conversion from 'size_t' to 'const unsigned char', possible loss of data ssl_engine_config.c(489): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data ssl_engine_config.c(577): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data ssl_engine_init.c(191): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(550): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(556): warning C4267: '+=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(594): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(717): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(739): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(764): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(1368): warning C4018: '<': signed/unsigned mismatch ssl_engine_io.c(1386): warning C4267: '-=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_io.c(1429): warning C4101: 'n': unreferenced local variable ssl_engine_io.c(1787): warning C4018: '>': signed/unsigned mismatch ssl_engine_kernel.c(2177): warning C4018: '<': signed/unsigned mismatch ssl_engine_log.c(128): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_pphrase.c(478): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_pphrase.c(570): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_pphrase.c(609): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_engine_rand.c(154): warning C4267: 'function': conversion from 'size_t' to 'int', possible loss of data ssl_engine_rand.c(162): warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data ssl_engine_vars.c(611): warning C4267: '=': conversion from 'size_t' to 'int', possible loss of data ssl_util.c(379): warning C4311: 'type cast': pointer truncation from 'apr_os_thread_t' to 'unsigned long'
