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Diffstat (limited to 'newlib/libc/stdlib/mbstowcs.c')
-rw-r--r-- | newlib/libc/stdlib/mbstowcs.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/newlib/libc/stdlib/mbstowcs.c b/newlib/libc/stdlib/mbstowcs.c deleted file mode 100644 index fee621a..0000000 --- a/newlib/libc/stdlib/mbstowcs.c +++ /dev/null @@ -1,80 +0,0 @@ -/* -FUNCTION -<<mbstowcs>>---minimal multibyte string to wide char converter - -INDEX - mbstowcs - -ANSI_SYNOPSIS - #include <stdlib.h> - int mbstowcs(wchar_t *<[pwc]>, const char *<[s]>, size_t <[n]>); - -TRAD_SYNOPSIS - #include <stdlib.h> - int mbstowcs(<[pwc]>, <[s]>, <[n]>) - wchar_t *<[pwc]>; - const char *<[s]>; - size_t <[n]>; - -DESCRIPTION -When MB_CAPABLE is not defined, this is a minimal ANSI-conforming -implementation of <<mbstowcs>>. In this case, the -only ``multi-byte character sequences'' recognized are single bytes, -and they are ``converted'' to wide-char versions simply by byte -extension. - -When MB_CAPABLE is defined, this routine calls <<_mbstowcs_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 <<mbstowcs>> returns <<0>> if -<[s]> is <<NULL>> or is the empty string; -it returns <<-1>> if MB_CAPABLE and one of the -multi-byte characters is invalid or incomplete; -otherwise it returns the minimum of: <<n>> or the -number of multi-byte characters in <<s>> plus 1 (to -compensate for the nul character). -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. - -PORTABILITY -<<mbstowcs>> is required in the ANSI C standard. However, the precise -effects vary with the locale. - -<<mbstowcs>> requires no supporting OS subroutines. -*/ - -#ifndef _REENT_ONLY - -#include <stdlib.h> - -size_t -_DEFUN (mbstowcs, (pwcs, s, n), - wchar_t *pwcs _AND - const char *s _AND - size_t n) -{ -#ifdef MB_CAPABLE - int state = 0; - - return _mbstowcs_r (_REENT, pwcs, s, n, &state); -#else /* not MB_CAPABLE */ - - int count = 0; - - if (n != 0) { - do { - if ((*pwcs++ = (wchar_t) *s++) == 0) - break; - count++; - } while (--n != 0); - } - - return count; -#endif /* not MB_CAPABLE */ -} - -#endif /* !_REENT_ONLY */ |