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Diffstat (limited to '')
| -rw-r--r-- | doc/developer/logging.rst | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/doc/developer/logging.rst b/doc/developer/logging.rst index 52653d3..82cc8b2 100644 --- a/doc/developer/logging.rst +++ b/doc/developer/logging.rst @@ -77,7 +77,14 @@ are available: .. note:: - ``printfrr()`` does not support the ``%n`` format. + ``printfrr()`` does not support the ``%n`` format. It does support ISO C23 + ``%b``, ``%w99d`` and ``%wf99d`` additions, but the latter two are not + supported by the ``frr-format`` plugin yet, and all 3 aren't supported by + the older compilers still in use on some supported platforms. + + ``%b`` can be used with ``FMT_NSTD``, but ``%w99d`` and ``%wf99d`` require + work in the ``frr-format`` plugin before they are really usable. + AS-Safety ^^^^^^^^^ @@ -376,7 +383,8 @@ bgpd .. frrfmt:: %pBD (struct bgp_dest *) - Print prefix for a BGP destination. + Print prefix for a BGP destination. When using ``--enable-dev-build`` include + the pointer value for the bgp_dest. :frrfmtout:`fe80::1234/64` @@ -557,8 +565,9 @@ Integer formats cause compiler warnings when used without the plugin. Use with :c:macro:`FMT_NSTD` if necessary. - It is possible ISO C23 may introduce another format for these, possibly - ``%w64d`` discussed in `JTC 1/SC 22/WG 14/N2680 <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2680.pdf>`_. + As anticipated, ISO C23 has introduced new modifiers for this, specifically + ``%w64d`` (= ``%Ld``) and ``%w64u`` (= ``%Lu``). Unfortunately, these new + modifiers are not supported by ``frr-format`` yet. .. frrfmt:: %Lu (uint64_t) |