diff options
Diffstat (limited to 'wcsmbs/btowc.c')
| -rw-r--r-- | wcsmbs/btowc.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/wcsmbs/btowc.c b/wcsmbs/btowc.c index 062be7ec02..2f13cc7ce4 100644 --- a/wcsmbs/btowc.c +++ b/wcsmbs/btowc.c @@ -21,16 +21,14 @@ Boston, MA 02111-1307, USA. */ #include <wchar.h> +/* We use UTF8 encoding for multibyte strings and therefore a valid + one byte multibyte string only can have a value from 0 to 0x7f. */ wint_t btowc (c) int c; { - /*************************************************************\ - |* This is no complete implementation. While the multi-byte *| - |* character handling is not finished this will do. *| - \*************************************************************/ - if (WEOF != (wint_t) EOF) + if (WEOF != (wint_t) EOF || c < 0 || c > 0x7f) return WEOF; else - return c; + return (wint_t) c; } |