newlib/libc/stdio/sswprint_r.c

   1 #include <newlib.h>
   2
   3 #ifdef _FVWRITE_IN_STREAMIO
   4
   5 #include <reent.h>
   6 #include <stdio.h>
   7 #include <wchar.h>
   8 #include "fvwrite.h"
   9
  10 extern int __ssputs_r (struct _reent *ptr, FILE *fp, const char *buf,
  11                        size_t len);
  12
  13 int
  14 __sswprint_r (struct _reent *ptr,
  15         FILE *fp,
  16         register struct __suio *uio)
  17 {
  18         register struct __siov *iov = uio->uio_iov;
  19         register size_t len;
  20         int ret = 0;
  21
  22         while (uio->uio_resid > 0 && uio->uio_iovcnt-- > 0) {
  23                 if ((len = iov->iov_len) > 0) {
  24                         if (__ssputs_r (ptr, fp, iov->iov_base,
  25                                         len * sizeof (wchar_t)) == EOF) {
  26                                 ret = -1;
  27                                 break;
  28                         }
  29                         uio->uio_resid -= len;  /* pretend we copied all */
  30                 }
  31                 iov++;
  32         }
  33         uio->uio_resid = 0;
  34         uio->uio_iovcnt = 0;
  35         return ret;
  36 }
  37
  38 #endif