diff options
Diffstat (limited to 'newlib/libc/stdlib/mblen_r.c')
| -rw-r--r-- | newlib/libc/stdlib/mblen_r.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/newlib/libc/stdlib/mblen_r.c b/newlib/libc/stdlib/mblen_r.c index 1d6659743..9361f6573 100644 --- a/newlib/libc/stdlib/mblen_r.c +++ b/newlib/libc/stdlib/mblen_r.c @@ -18,20 +18,20 @@ TRAD_SYNOPSIS int *<[state]>; DESCRIPTION -When MB_CAPABLE is not defined, this is a minimal ANSI-conforming +When _MB_CAPABLE is not defined, this is a minimal ANSI-conforming implementation of <<_mblen_r>>. In this case, the only ``multi-byte character sequences'' recognized are single bytes, and thus <<1>> is returned unless <[s]> is the null pointer or has a length of 0 or is the empty string. -When MB_CAPABLE is defined, this routine calls <<_mbtowc_r>> to perform +When _MB_CAPABLE is defined, this routine calls <<_mbtowc_r>> to perform the conversion, passing a state variable to allow state dependent decoding. The result is based on the locale setting which may be restricted to a defined set of locales. RETURNS This implementation of <<_mblen_r>> returns <<0>> if -<[s]> is <<NULL>> or the empty string; it returns <<1>> if not MB_CAPABLE or +<[s]> is <<NULL>> or the empty string; it returns <<1>> if not _MB_CAPABLE or the character is a single-byte character; it returns <<-1>> if the multi-byte character is invalid; otherwise it returns the number of bytes in the multibyte character. @@ -43,6 +43,7 @@ effects vary with the locale. <<_mblen_r>> requires no supporting OS subroutines. */ +#include <newlib.h> #include <stdlib.h> #include <wchar.h> @@ -53,7 +54,7 @@ _DEFUN (_mblen_r, (r, s, n, state), size_t n _AND mbstate_t *state) { -#ifdef MB_CAPABLE +#ifdef _MB_CAPABLE int retval; retval = _mbtowc_r (r, NULL, s, n, state); @@ -64,12 +65,12 @@ _DEFUN (_mblen_r, (r, s, n, state), } return retval; -#else /* not MB_CAPABLE */ +#else /* not _MB_CAPABLE */ if (s == NULL || *s == '\0') return 0; if (n == 0) return -1; return 1; -#endif /* not MB_CAPABLE */ +#endif /* not _MB_CAPABLE */ } |