diff options
Diffstat (limited to 'newlib/libc/stdlib/mblen.c')
| -rw-r--r-- | newlib/libc/stdlib/mblen.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/newlib/libc/stdlib/mblen.c b/newlib/libc/stdlib/mblen.c index c85a6a7..a0ed29a 100644 --- a/newlib/libc/stdlib/mblen.c +++ b/newlib/libc/stdlib/mblen.c @@ -44,6 +44,7 @@ effects vary with the locale. #ifndef _REENT_ONLY #include <stdlib.h> +#include <wchar.h> int _DEFUN (mblen, (s, n), @@ -51,9 +52,15 @@ _DEFUN (mblen, (s, n), size_t n) { #ifdef MB_CAPABLE + int retval = 0; _REENT_CHECK_MISC(_REENT); - return _mbtowc_r (_REENT, NULL, s, n, &(_REENT_MBLEN_STATE(_REENT))); + retval = _mbtowc_r (_REENT, NULL, s, n, &(_REENT_MBLEN_STATE(_REENT))); + if (retval < 0) + return -1; + else + return retval; + #else /* not MB_CAPABLE */ if (s == NULL || *s == '\0') return 0; |