void affstats(const char *fname)
{
AFFILE *af = af_open(fname,O_RDONLY,0);
if(!af) af_err(1,"af_open(%s)",fname);
printf("%s\t",fname);
uint32_t segsize=0;
int64_t imagesize=0;
int64_t blanksectors=0;
int64_t badsectors=0;
af_get_segq(af,AF_IMAGESIZE,&imagesize);
if(af_get_seg(af,AF_PAGESIZE,&segsize,0,0)){
af_get_seg(af,AF_SEGSIZE_D,&segsize,0,0); // check for oldstype
}
af_get_segq(af,AF_BADSECTORS,&badsectors);
af_get_segq(af,AF_BLANKSECTORS,&blanksectors);
print_size(imagesize);
printf("\t");
fflush(stdout);
int64_t compressed_bytes = 0;
int64_t uncompressed_bytes = 0;
/* Now read through all of the segments and count the number of
* data segments. We know the uncompressed size...
*/
af_rewind_seg(af);
char segname[AF_MAX_NAME_LEN+1];
size_t datalen;
while(af_get_next_seg(af,segname,sizeof(segname),0,0,&datalen)==0){
int64_t page_num = af_segname_page_number(segname);
if(page_num>=0){
compressed_bytes += datalen;
uncompressed_bytes += segsize;
}
}
if(uncompressed_bytes > imagesize) uncompressed_bytes = imagesize;
print_size(compressed_bytes);
printf("\t");
print_size(uncompressed_bytes);
printf(" %" I64d " %" I64d,blanksectors,badsectors);
putchar('\n');
}
int fix(const char *infile)
{
char buf[1024];
int flags = (opt_fix ? O_RDWR : O_RDONLY) | O_BINARY;
switch(af_identify_file_type(infile,1)){
case AF_IDENTIFY_ERR:
perror(infile);
return 0;
default:
fprintf(stderr,"%s is not an AFF file\n",infile);
return 0;
case AF_IDENTIFY_AFF:
break;
}
printf("%s ",infile);
int r=0;
/* First see if the if the file begins with an AFF flag */
int fd = open(infile,flags,0666);
if(fd<0) err(1,"fopen(%s)",infile);
if(read(fd,buf,strlen(AF_HEADER)+1)!=strlen(AF_HEADER)+1)
err(1,"can't read AFF file header. Stop.");
if(strcmp(buf,AF_HEADER)!=0)
err(1,"%s does not begin with an AF_HEADER. Stop.",infile);
if(read(fd,buf,strlen(AF_SEGHEAD)+1)!=strlen(AF_SEGHEAD)+1)
err(1,"Can't read AF_SEGHEAD after AF_HEADER. Stop.");
if(strcmp(buf,AF_SEGHEAD)!=0)
err(1,"%s does not have an AF_SEGHEAD after AF_SEGEADER. Stop.",infile);
/* Figure out length */
off_t len = lseek(fd,0,SEEK_END);
if(len<0) err(1,"Can't seek to end of %s. Stop.",infile);
close(fd);
AFFILE *af = af_open_with(infile,AF_HALF_OPEN|flags,0,&vnode_aff);
printf("Scanning AFF file...\n");
r = (*af->v->open)(af);
/* See if we can build a TOC */
if(r<0){
printf("AFF file corrupt at %"I64d" out of %"I64d" (%"I64d" bytes from end)\n",
ftello(af->aseg),(int64_t)len,len-ftello(af->aseg));
if(opt_fix){
printf("Truncating... %d \n",fileno(af->aseg));
if(ftruncate(fileno(af->aseg),ftello(af->aseg))){
err(1,"ftruncate");
}
}
}
/* See if it has a GID or an encrypted GID */
if(af_get_seg(af,AF_IMAGE_GID,0,0,0)!=0 &&
af_get_seg(af,AF_IMAGE_GID AF_AES256_SUFFIX,0,0,0)!=0){
printf("AFF file is missing a GID. ");
if(opt_fix){
printf("Making one...");
if(af_make_gid(af)<0) af_err(1,"af_make_gid");
}
putchar('\n');
}
af_close(af);
return 0;
}