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| author | tjr <tjr@FreeBSD.org> | 2002-10-25 13:24:45 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2002-10-25 13:24:45 +0000 |
| commit | 035cd9e947221591dd2631862ff84924ab3f4932 (patch) | |
| tree | 172381160da385b0472ee430a06b3b8e51553641 /lib/libc | |
| parent | 3f4f4ce1692fe9a30e8aa74190a75e1f59b34a80 (diff) | |
| download | FreeBSD-src-035cd9e947221591dd2631862ff84924ab3f4932.zip FreeBSD-src-035cd9e947221591dd2631862ff84924ab3f4932.tar.gz | |
Use an internal buffer for the result when the first argument is NULL.
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/locale/wcrtomb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/locale/wcrtomb.c b/lib/libc/locale/wcrtomb.c index 116dce5..a76f031 100644 --- a/lib/libc/locale/wcrtomb.c +++ b/lib/libc/locale/wcrtomb.c @@ -28,6 +28,7 @@ __FBSDID("$FreeBSD$"); #include <errno.h> +#include <limits.h> #include <rune.h> #include <stdlib.h> #include <wchar.h> @@ -36,7 +37,10 @@ size_t wcrtomb(char * __restrict s, wchar_t wc, mbstate_t * __restrict ps __unused) { char *e; + char buf[MB_LEN_MAX]; + if (s == NULL) + s = buf; sputrune(wc, s, MB_CUR_MAX, &e); if (e == NULL) { errno = EILSEQ; |
