Subversion Repositories logicprobe

/*

 * display.c -- LogicProbe data viewer

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <stdarg.h>

static FILE *diskFile = NULL;

void error(char *fmt, ...) {

  va_list ap;

  va_start(ap, fmt);

  printf("Error: ");

  vprintf(fmt, ap);

  printf("\n");

  va_end(ap);

  if (diskFile != NULL) {

    fclose(diskFile);

    diskFile = NULL;

  }

  exit(1);

}

int main(int argc, char *argv[]) {

  unsigned char b;

  int i, j;

  if (argc != 2) {

    printf("Usage: %s <data_file>\n", argv[0]);

    exit(1);

  }

  diskFile = fopen(argv[1], "rb");

  if (diskFile == NULL) {

    error("cannot open data file %s for read", argv[1]);

  }

  for (i = 0; i < 512; i++) {

    printf("%03d:  ", i);

    for (j = 0; j < 16; j++) {

      if (fread(&b, 1, 1, diskFile) != 1) {

        error("cannot read from data file %s", argv[1]);

      }

      printf("%02X  ", b);

    }

    printf("\n");

  }

  if (diskFile != NULL) {

    fclose(diskFile);

    diskFile = NULL;

  }

  return 0;

}