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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/inferno/man2/sys-utfbytes.2 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/inferno/man2/sys-utfbytes.2')
| -rw-r--r-- | static/inferno/man2/sys-utfbytes.2 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/static/inferno/man2/sys-utfbytes.2 b/static/inferno/man2/sys-utfbytes.2 new file mode 100644 index 00000000..2ad42489 --- /dev/null +++ b/static/inferno/man2/sys-utfbytes.2 @@ -0,0 +1,28 @@ +.TH SYS-UTFBYTES 2 +.SH NAME +utfbytes \- compute UTF length of complete Unicode characters in a UTF byte sequence +.SH SYNOPSIS +.EX +include "sys.m"; +sys := load Sys Sys->PATH; + +utfbytes: fn(buf: array of byte, n: int): int; +.EE +.SH DESCRIPTION +.B Utfbytes +examines the +.IR n -byte +UTF sequence in +.IR buf +and returns the number of bytes representing complete Unicode characters. +The value will be less than +.I n +when the region inspected ends with an incomplete UTF sequence. +.SH DIAGNOSTIC +A bounds check error results if +.I n +exceeds the length of the array. +.SH SEE ALSO +.IR sys-intro (2), +.IR sys-byte2char (2), +.IR utf (6) |