diff options
Diffstat (limited to 'newlib/libc/ctype/toupper.c')
| -rw-r--r-- | newlib/libc/ctype/toupper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/newlib/libc/ctype/toupper.c b/newlib/libc/ctype/toupper.c index 1b298d508..2527a69d3 100644 --- a/newlib/libc/ctype/toupper.c +++ b/newlib/libc/ctype/toupper.c @@ -66,7 +66,7 @@ _DEFUN(toupper,(c),int c) wchar_t wc; if (mbtowc (&wc, s, 1) >= 0 && wctomb (s, (wchar_t) towupper ((wint_t) wc)) == 1) - c = s[0]; + c = (unsigned char) s[0]; } return c; #else |