Commit graph

4 commits

Author SHA1 Message Date
David Lamparter 212e04e5a7 lib: rework printfrr extensions to output directly
Allowing printfrr extensions to directly write to the output buffer has
a few advantages:
- there is no arbitrary length limit imposed (previously 64)
- the output doesn't need to be copied another time
- the extension can directly use bprintfrr() to put together pieces

The downside is that the theoretical length (regardless of available
buffer space) must be computed correctly.

Extended unit tests to test these paths a bit more thoroughly.

Signed-off-by: David Lamparter <equinox@diac24.net>
2021-03-27 16:56:55 +01:00
Donald Sharp adc62ec8b7 lib: va_copy must have a va_end to free memory
All va_copy() calls must have a va_end() call.
Caught by Coverity

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
2019-10-25 07:01:59 -04:00
David Lamparter bf4d3d8021 lib/printf: add extension support
Inspired by the Linux kernel, this allows us to do %pI4 and similar
things.

Signed-off-by: David Lamparter <equinox@diac24.net>
2019-06-03 16:45:01 +02:00
David Lamparter 5c25bd87b5 lib/printf: integrate
Signed-off-by: David Lamparter <equinox@diac24.net>
2019-06-03 16:44:51 +02:00