newlib/libc/stdio/ssprint_r.c

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