LXR uboot/tools/xway-swap-bytes.c

   1#include <stdio.h>
   2#include <stdlib.h>
   3#include <string.h>
   4#include <unistd.h>
   5
   6#ifndef BUFSIZ
   7# define BUFSIZ 4096
   8#endif
   9
  10#undef BUFSIZ
  11# define BUFSIZ 64
  12int main (void)
  13{
  14        short ibuff[BUFSIZ], obuff[BUFSIZ];
  15        int rc, i, len;
  16
  17        while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) {
  18                memset (obuff, 0, sizeof (obuff));
  19                for (i = 0; i < (rc + 1) / 2; i++) {
  20                        obuff[i] = ibuff[i ^ 1];
  21                }
  22
  23                len = (rc + 1) & ~1;
  24
  25                if (write (1, obuff, len) != len) {
  26                        perror ("read error");
  27                        return (EXIT_FAILURE);
  28                }
  29
  30                memset (ibuff, 0, sizeof (ibuff));
  31        }
  32
  33        if (rc < 0) {
  34                perror ("read error");
  35                return (EXIT_FAILURE);
  36        }
  37        return (EXIT_SUCCESS);
  38}
  39