hacking.h

void fatal(char *message) {
   char error_message[100];

   strcpy(error_message, "[!!] 致命错误：");
   strncat(error_message, message, 83); 
   perror(error_message); 
   exit(-1);
}


void *ec_malloc(unsigned int size) {
   void *ptr; 
   ptr = malloc(size); 
   if(ptr == NULL)
      fatal("ec_malloc()内存分配失败"); 
   return ptr;
}



void dump(const unsigned char *data_buffer, const unsigned int length) {
   unsigned char byte;
   unsigned int i, j;
   for(i=0; i < length; i++) {
      byte = data_buffer[i];
      printf("%02x ", data_buffer[i]);  
      if(((i%16)==15) || (i==length-1)) {
         for(j=0; j < 15-(i%16); j++)
            printf("   ");
         printf("| ");
         for(j=(i-(i%16)); j <= i; j++) {  
            byte = data_buffer[j];
            if((byte > 31) && (byte < 127)) 
               printf("%c", byte);
            else
               printf(".");
         }
         printf("\n"); 
      } 
   } 
}