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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [stdlib/] [mbsrtowcs.c] - Rev 158
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#include <reent.h> #include <newlib.h> #include <wchar.h> #include <stdlib.h> #include <stdio.h> #include <errno.h> size_t _DEFUN (_mbsrtowcs_r, (r, dst, src, n, ps), struct _reent *r _AND wchar_t *dst _AND const char **src _AND size_t n _AND mbstate_t *ps) { wchar_t *ptr = dst; const char *tmp_src; size_t max; size_t count = 0; int bytes; #ifdef _MB_CAPABLE if (ps == NULL) { _REENT_CHECK_MISC(r); ps = &(_REENT_MBSRTOWCS_STATE(r)); } #endif if (dst == NULL) { /* Ignore original n value and do not alter src pointer if the dst pointer is NULL. */ n = (size_t)-1; tmp_src = *src; src = &tmp_src; } max = n; while (n > 0) { bytes = _mbrtowc_r (r, ptr, *src, MB_CUR_MAX, ps); if (bytes > 0) { *src += bytes; ++count; ptr = (dst == NULL) ? NULL : ptr + 1; --n; } else if (bytes == -2) { *src += MB_CUR_MAX; } else if (bytes == 0) { *src = NULL; return count; } else { ps->__count = 0; r->_errno = EILSEQ; return (size_t)-1; } } return (size_t)max; } #ifndef _REENT_ONLY size_t _DEFUN (mbsrtowcs, (dst, src, len, ps), wchar_t *dst _AND const char **src _AND size_t len _AND mbstate_t *ps) { return _mbsrtowcs_r (_REENT, dst, src, len, ps); } #endif /* !_REENT_ONLY */