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| author | tjr <tjr@FreeBSD.org> | 2002-10-03 14:07:26 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2002-10-03 14:07:26 +0000 |
| commit | 89d813cf15ed36fd8137d12075f4e1bc3a4ccfb5 (patch) | |
| tree | ad599ee77426176ceff979428aa812f484bb498a /lib/libc/locale | |
| parent | 761c7aa0fc095dc34c4b0a2549737453d5d4c05b (diff) | |
| download | FreeBSD-src-89d813cf15ed36fd8137d12075f4e1bc3a4ccfb5.zip FreeBSD-src-89d813cf15ed36fd8137d12075f4e1bc3a4ccfb5.tar.gz | |
Add an example.
Diffstat (limited to 'lib/libc/locale')
| -rw-r--r-- | lib/libc/locale/mbrlen.3 | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/libc/locale/mbrlen.3 b/lib/libc/locale/mbrlen.3 index 0775b2f..f500e85 100644 --- a/lib/libc/locale/mbrlen.3 +++ b/lib/libc/locale/mbrlen.3 @@ -23,7 +23,7 @@ .\" SUCH DAMAGE. .\" .\" $FreeBSD$ -.Dd August 16, 2002 +.Dd October 4, 2002 .Dt MBRLEN 3 .Os .Sh NAME @@ -91,6 +91,27 @@ The byte sequence pointed to by .Fa s is an invalid multibyte sequence. .El +.Sh EXAMPLES +A function which calculates the number of characters in a multibyte +character string: +.Bd -literal -offset indent +size_t +nchars(const char *s) +{ + size_t charlen, chars; + mbstate_t mbs; + + chars = 0; + memset(&mbs, 0, sizeof(mbs)); + while ((charlen = mbrlen(s, MB_CUR_MAX, &mbs)) != 0 && + charlen != (size_t)-1 && charlen != (size_t)-2) { + s += charlen; + chars++; + } + + return (chars); +} +.Ed .Sh ERRORS The .Fn mbrlen |
