[J-u-boot.git] / tools / xway-swap-bytes.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#ifndef BUFSIZ
# define BUFSIZ 4096
#endif

#undef BUFSIZ
# define BUFSIZ 64
int main (void)
{
	short ibuff[BUFSIZ], obuff[BUFSIZ];
	int rc, i, len;

	while ((rc = read (0, ibuff, sizeof (ibuff))) > 0) {
		memset (obuff, 0, sizeof (obuff));
		for (i = 0; i < (rc + 1) / 2; i++) {
			obuff[i] = ibuff[i ^ 1];
		}

		len = (rc + 1) & ~1;

		if (write (1, obuff, len) != len) {
			perror ("read error");
			return (EXIT_FAILURE);
		}

		memset (ibuff, 0, sizeof (ibuff));
	}

	if (rc < 0) {
		perror ("read error");
		return (EXIT_FAILURE);
	}
	return (EXIT_SUCCESS);
}
Commit	Line	Data
3e38691e WD	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
	12	int 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	}