Merge "Remove toolbox hd."

    getevent \

    getprop \

    getsebool \

    hd \

    id \

    ifconfig \

    iftop \

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <stdint.h>

#include <unistd.h>

#include <fcntl.h>

#include <sys/ioctl.h>

#include <errno.h>

int hd_main(int argc, char *argv[])

{

    int c;

    int fd;

	unsigned char buf[4096];

    int res;

	int read_len;

	int i;

	int filepos = 0;

	int sum;

	int lsum;

	int base = -1;

	int count = 0;

	int repeat = 0;

    do {

        c = getopt(argc, argv, "b:c:r:");

        if (c == EOF)

            break;

        switch (c) {

        case 'b':

            base = strtol(optarg, NULL, 0);

            break;

        case 'c':

            count = strtol(optarg, NULL, 0);

            break;

		case 'r':

			repeat = strtol(optarg, NULL, 0);

			break;

        case '?':

            fprintf(stderr, "%s: invalid option -%c\n",

                argv[0], optopt);

            exit(1);

        }

    } while (1);

    if (optind + 1 != argc) {

        fprintf(stderr, "Usage: %s [-b base] [-c count] [-r delay] file\n", argv[0]);

        exit(1);

    }

    fd = open(argv[optind], O_RDONLY);

    if(fd < 0) {

        fprintf(stderr, "could not open %s, %s\n", argv[optind], strerror(errno));

        return 1;

    }

	do {

		if(base >= 0) {

			lseek(fd, base, SEEK_SET);

			filepos = base;

		}

		sum = 0;

		lsum = 0;

	    while(1) {

			read_len = sizeof(buf);

			if(count > 0 && base + count - filepos < read_len)

				read_len = base + count - filepos;

	        res = read(fd, &buf, read_len);

			if(res == 0)

				break;

			for(i = 0; i < res; i++) {

				if((i & 15) == 0) {

					printf("%08x: ", filepos + i);

				}

				lsum += buf[i];

				sum += buf[i];

				printf("%02x ", buf[i]);

				if(((i & 15) == 15) || (i == res - 1)) {

					printf("s %x\n", lsum);

					lsum = 0;

				}

			}

			if(res < 0) {

				printf("Read error on %s, offset %d len %d, %s\n", argv[optind], filepos, read_len, strerror(errno));

				return 1;

			}

			filepos += res;

			if(filepos == base + count)

				break;

	    }

		printf("sum %x\n", sum);

		if(repeat)

			sleep(repeat);

	} while(repeat);

	return 0;

}