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Diffstat (limited to 'newlib/libc/stdlib/wcstombs.c')
-rw-r--r-- | newlib/libc/stdlib/wcstombs.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/newlib/libc/stdlib/wcstombs.c b/newlib/libc/stdlib/wcstombs.c deleted file mode 100644 index ca99f2e..0000000 --- a/newlib/libc/stdlib/wcstombs.c +++ /dev/null @@ -1,80 +0,0 @@ -/* -FUNCTION -<<wcstombs>>---minimal wide char string to multibyte string converter - -INDEX - wcstombs - -ANSI_SYNOPSIS - #include <stdlib.h> - int wcstombs(const char *<[s]>, wchar_t *<[pwc]>, size_t <[n]>); - -TRAD_SYNOPSIS - #include <stdlib.h> - int wcstombs(<[s]>, <[pwc]>, <[n]>) - const char *<[s]>; - wchar_t *<[pwc]>; - size_t <[n]>; - -DESCRIPTION -When MB_CAPABLE is not defined, this is a minimal ANSI-conforming -implementation of <<wcstombs>>. In this case, -all wide-characters are expected to represent single bytes and so -are converted simply by casting to char. - -When MB_CAPABLE is defined, this routine calls <<_wcstombs_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 <<wcstombs>> returns <<0>> if -<[s]> is <<NULL>> or is the empty string; -it returns <<-1>> if MB_CAPABLE and one of the -wide-char characters does not represent a valid multi-byte character; -otherwise it returns the minimum of: <<n>> or the -number of bytes that are transferred to <<s>>, not including the -nul terminator. - -If the return value is -1, the state of the <<pwc>> string is -indeterminate. If the input has a length of 0, the output -string will be modified to contain a wchar_t nul terminator if -<<n>> > 0. - -PORTABILITY -<<wcstombs>> is required in the ANSI C standard. However, the precise -effects vary with the locale. - -<<wcstombs>> requires no supporting OS subroutines. -*/ - -#ifndef _REENT_ONLY - -#include <stdlib.h> - -size_t -_DEFUN (wcstombs, (s, pwcs, n), - char *s _AND - const wchar_t *pwcs _AND - size_t n) -{ -#ifdef MB_CAPABLE - int state = 0; - - return _wcstombs_r (_REENT, s, pwcs, n, &state); -#else /* not MB_CAPABLE */ - int count = 0; - - if (n != 0) { - do { - if ((*s++ = (char) *pwcs++) == 0) - break; - count++; - } while (--n != 0); - } - - return count; -#endif /* not MB_CAPABLE */ -} - -#endif /* !_REENT_ONLY */ |