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| author | Konstantin Belousov <kib@FreeBSD.org> | 2025-12-27 16:21:37 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2025-12-29 01:16:25 +0000 |
| commit | 14bd57d0a78dcd98449597fd3e19749799e36935 (patch) | |
| tree | 4a26f981e4eca151e4872a020da3aa1a6166512a | |
| parent | 2904edaf2f09934142f9f6a6d2886879395145cc (diff) | |
exterror.9: describe formatting of optional arguments
Reviewed by: emaste, mckusick
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D54380
| -rw-r--r-- | share/man/man9/exterror.9 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/share/man/man9/exterror.9 b/share/man/man9/exterror.9 index fd4b732b8213..a7c7a11d1315 100644 --- a/share/man/man9/exterror.9 +++ b/share/man/man9/exterror.9 @@ -90,6 +90,16 @@ The .Fn EXTERROR macro can take two optional 64-bit integer arguments, whose meaning is specific to the subsystem. +The format string may include up to two printf-like format +specifiers to insert the optional argument values in the +user output, which is done in userspace. +.Pp +The format specifier must be for an integer type, and include the +.Dq j +format modifier to accept only the types +.Vt intmax_t +or +.Vt uintmax_t . .El .Pp The strings passed as the second argument are only retained |