diff options
Diffstat (limited to 'usr.bin/tmux/utf8.c')
| -rw-r--r-- | usr.bin/tmux/utf8.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/usr.bin/tmux/utf8.c b/usr.bin/tmux/utf8.c index cf7c85419ba..4f0ac8afe8e 100644 --- a/usr.bin/tmux/utf8.c +++ b/usr.bin/tmux/utf8.c @@ -1,4 +1,4 @@ -/* $OpenBSD: utf8.c,v 1.33 2016/05/27 22:57:27 nicm Exp $ */ +/* $OpenBSD: utf8.c,v 1.34 2016/10/11 07:11:40 nicm Exp $ */ /* * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com> @@ -236,6 +236,33 @@ utf8_sanitize(const char *src) return (dst); } +/* Get UTF-8 buffer length. */ +size_t +utf8_strlen(const struct utf8_data *s) +{ + size_t i; + + for (i = 0; s[i].size != 0; i++) + /* nothing */; + return (i); +} + +/* Get UTF-8 string width. */ +u_int +utf8_strwidth(const struct utf8_data *s, ssize_t n) +{ + ssize_t i; + u_int width; + + width = 0; + for (i = 0; s[i].size != 0; i++) { + if (n != -1 && n == i) + break; + width += s[i].width; + } + return (width); +} + /* * Convert a string into a buffer of UTF-8 characters. Terminated by size == 0. * Caller frees. |