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Diffstat (limited to 'newlib/libc/stdlib/mblen_r.c')
-rw-r--r-- | newlib/libc/stdlib/mblen_r.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/newlib/libc/stdlib/mblen_r.c b/newlib/libc/stdlib/mblen_r.c deleted file mode 100644 index 22d1d40..0000000 --- a/newlib/libc/stdlib/mblen_r.c +++ /dev/null @@ -1,66 +0,0 @@ -/* -FUNCTION -<<_mblen_r>>---reentrant minimal multibyte length function - -INDEX - _mblen_r - -ANSI_SYNOPSIS - #include <stdlib.h> - int _mblen_r(struct _reent *<[r]>, const char *<[s]>, size_t <[n]>, int *<[state]>); - -TRAD_SYNOPSIS - #include <stdlib.h> - int _mblen_r(<[r]>, <[s]>, <[n]>, <[state]>) - struct _reent *<[r]>; - const char *<[s]>; - size_t <[n]>; - int *<[state]>; - -DESCRIPTION -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 -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 -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. - -PORTABILITY -<<_mblen>> is required in the ANSI C standard. However, the precise -effects vary with the locale. - -<<_mblen_r>> requires no supporting OS subroutines. -*/ - -#include <stdlib.h> - -int -_DEFUN (_mblen_r, (r, s, n, state), - struct _reent *r _AND - const char *s _AND - size_t n _AND - int *state) -{ -#ifdef MB_CAPABLE - - return _mbtowc_r (r, NULL, s, n, state); -#else /* not MB_CAPABLE */ - if (s == NULL || *s == '\0') - return 0; - if (n == 0) - return -1; - return 1; -#endif /* not MB_CAPABLE */ -} - |