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Add support for printing control messages containing software and/or
hardware timestamps, which are typically enabled by NTP and PTP
implementations.
* print_timeval.c (print_struct_timeval_data_size): New mpers printer.
* print_timespec.c (print_struct_timespec_data_size,
print_struct_timespec_array_data_size): Likewise.
* msghdr.c (print_scm_timestamp, print_scm_timestampns,
print_scm_timestamping): New functions.
(cmsg_socket_printers): Add them.
* NEWS: Mention this change.
* tests/msg_control.c: Include "xlat.h" and "xlat/scmvals.h".
(test_scm_timestamp, test_scm_timestampns, test_scm_timestamping):
New functions.
(test_sol_socket): Use them.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Automatically convert tests to use TAIL_ALLOC_OBJECT_CONST_PTR macro
with the following sed expression:
sed -ri \
's/^([[:space:]]*)(([^*]+[[:alnum:]_])( \*)?) *\*( *const )?([^ =]+) = tail_alloc\(sizeof\((\2|\*\6)\)\);/\1TAIL_ALLOC_OBJECT_CONST_PTR(\2, \6);/' \
tests/*.c
Drop local VAL_STR macro in favour of ARG_STR macro from tests/tests.h.
* tests/msg_control.c (VAL_STR): Remove.
(test_sol_socket, test_sol_ip): Replace VAL_STR with ARG_STR.
IOV_MAX appears to be more portable than UIO_MAXIOV.
* msghdr.c: Include <limits.h>. Remove fallback defintion of UIO_MAXIOV.
(get_optmem_max): Replace UIO_MAXIOV with IOV_MAX.
* tests/msg_control.c: Likewise.
Limit output of struct msghdr.msg_control when
struct msghdr.msg_controllen is greater than the maximum ancillary
buffer size specified in /proc/sys/net/core/optmem_max file.
* configure.ac (AC_CHECK_FUNCS): Add open64.
* defs.h (read_int_from_file): New prototype.
* util.c (read_int_from_file): New function.
* msghdr.c (get_optmem_max): New function based on read_int_from_file.
(decode_msg_control): Use it to check control_len argument.
* tests/msg_control.c (test_big_len): New function.
(main): Use it to test printing of excessively large messages.
* msghdr.c (print_cmsg_ip_opts): Do not print more than max_strlen
bytes of ip options in abbrev mode.
* tests/msg_control.c (print_ip_opts): Use DEFAULT_STRLEN.
(test_sol_ip): Test IP_RETOPTS output in abbrev mode.
* msghdr.c (print_scm_rights): Do not print more than max_strlen
descriptors in abbrev mode.
* tests/msg_control.c (DEFAULT_STRLEN): New macro.
(print_fds): Use it.
(test_scm_rights3): New function.
(main): Use it to test SCM_RIGHTS output in abbrev mode.
* tests/msg_control-v.c: New file.
* tests/msg_control-v.test: New test.
* tests/.gitignore: Add msg_control-v.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add msg_control-v.test.
