diff options
-rw-r--r-- | include/wchar.h | 2 | ||||
-rw-r--r-- | lib/wchar.c | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/wchar.h b/include/wchar.h index fb9b127a8c..392211039a 100644 --- a/include/wchar.h +++ b/include/wchar.h @@ -17,6 +17,8 @@ char *strdup_wchar_to_char(const wchar_t *src); size_t wcslen(const wchar_t *s); +size_t wcsnlen(const wchar_t *s, size_t maxlen); + #define MB_CUR_MAX 4 int mbtowc(wchar_t *pwc, const char *s, size_t n); diff --git a/lib/wchar.c b/lib/wchar.c index 3be228b5a7..250538dd85 100644 --- a/lib/wchar.c +++ b/lib/wchar.c @@ -28,6 +28,15 @@ size_t wcslen(const wchar_t *s) return len; } +size_t wcsnlen(const wchar_t * s, size_t count) +{ + const wchar_t *sc; + + for (sc = s; count-- && *sc != L'\0'; ++sc) + /* nothing */; + return sc - s; +} + wchar_t *strdup_wchar(const wchar_t *src) { int len = wcslen(src); |