exe dump 用のコード

dump.c

#include <stdio.h>

int main(int argc, char *argv[]){
  FILE *fp;
	int c, n;
	
	if ((fp = fopen(argv[1], "rb")) == NULL) {
		printf("file open error!\n");
		return -1;
	}
	
	n = 0;
	while((c=fgetc(fp)) != EOF){
		if (n % 16 == 0) printf("\n%08X :" , n);
		printf("%02X ", c);
		n++;
	}
	printf("\nfile size = %d\n", n);
	
	fclose(fp);
	return 0;
}