/* Load a new ghost image */
static vm_ghost_image_t *vm_ghost_image_load(char *filename)
{
vm_ghost_image_t *img;
if (!(img = calloc(1,sizeof(*img))))
return NULL;
img->fd = -1;
if (!(img->filename = strdup(filename))) {
vm_ghost_image_free(img);
return NULL;
}
img->fd = memzone_open_file(img->filename,&img->area_ptr,&img->file_size);
if (img->fd == -1) {
vm_ghost_image_free(img);
return NULL;
}
m_log("GHOST","loaded ghost image %s (fd=%d) at addr=%p (size=0x%llx)\n",
img->filename,img->fd,img->area_ptr,(long long)img->file_size);
return img;
}
/* Open a VM file and map it in memory */
int vm_mmap_open_file(vm_instance_t *vm,char *name,
u_char **ptr,off_t *fsize)
{
char *filename;
int fd;
if (!(filename = vm_build_filename(vm,name))) {
fprintf(stderr,"vm_mmap_open_file: unable to create filename (%s)\n",
name);
return(-1);
}
if ((fd = memzone_open_file(filename,ptr,fsize)) == -1)
fprintf(stderr,"vm_mmap_open_file: unable to open file '%s' (%s)\n",
filename,strerror(errno));
free(filename);
return(fd);
}
