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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [stdlib/] [wcstombs_r.c] - Rev 179
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#include <stdlib.h> #include <wchar.h> size_t _DEFUN (_wcstombs_r, (reent, s, pwcs, n, state), struct _reent *r _AND char *s _AND const wchar_t *pwcs _AND size_t n _AND mbstate_t *state) { char *ptr = s; size_t max = n; char buff[8]; int i, num_to_copy; if (s == NULL) { size_t num_bytes = 0; while (*pwcs != 0) num_bytes += _wctomb_r (r, buff, *pwcs++, state); return num_bytes; } else { while (n > 0) { int bytes = _wctomb_r (r, buff, *pwcs, state); if (bytes == -1) return -1; num_to_copy = (n > bytes ? bytes : (int)n); for (i = 0; i < num_to_copy; ++i) *ptr++ = buff[i]; if (*pwcs == 0x00) return ptr - s - (n >= bytes); ++pwcs; n -= num_to_copy; } return max; } }
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