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With -update_r : detecting hardlink splits and fusions on disk

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This commit is contained in:
Thomas Schmitt
2009-06-15 12:15:12 +00:00
parent b7bb047464
commit bf702dc38e
6 changed files with 634 additions and 52 deletions
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488
libisoburn/trunk/xorriso/xorrisoburn.c
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@ -124,6 +124,10 @@ int Xorriso__node_lba_cmp(const void *node1, const void *node2);
isoburn_igopt_always_gmt | \
isoburn_igopt_rrip_version_1_10 | isoburn_igopt_aaip_susp_1_10 )
#ifdef NIX
/* <<< */
unsigned long Xorriso_get_di_counteR= 0;
#endif /* NIX */
/* ------------------------------------------------------------------------ */
@ -154,12 +158,39 @@ int Xorriso_destroy_node_array(struct XorrisO *xorriso, int flag)
}
int Xorriso_destroy_di_array(struct XorrisO *xorriso, int flag)
{
int i;
if(xorriso->di_array != NULL) {
for(i= 0; i < xorriso->di_count; i++)
if(xorriso->di_array[i] != NULL)
iso_node_unref((IsoNode *) xorriso->di_array[i]);
free(xorriso->di_array);
xorriso->di_array= NULL;
}
xorriso->di_count= 0;
#ifdef NIX
/* <<< */
fprintf(stderr, "xorriso_DEBUG: get_di_count= %lu\n",
Xorriso_get_di_counteR);
#endif /* NIX */
return(1);
}
/* @param flag bit0= allocate xorriso->node_targets too
*/
int Xorriso_new_node_array(struct XorrisO *xorriso, off_t mem_limit, int flag)
{
int i;
if(xorriso->node_counter <= 0) {
Xorriso_destroy_node_array(xorriso, 0);
return(1);
}
xorriso->node_array= calloc(xorriso->node_counter, sizeof(IsoNode *));
if(xorriso->node_array == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
@ -228,14 +259,12 @@ int Xorriso_sort_node_array(struct XorrisO *xorriso, int flag)
}
int Xorriso_search_in_node_array(struct XorrisO *xorriso,
void *node, int *idx, int flag)
int Xorriso__search_node(void *node_array[], int n,
int (*cmp)(const void *p1, const void *p2),
void *node, int *idx, int flag)
{
int ret, l, r, p, n;
int ret, l, r, p, pos;
if(xorriso->node_array_size <= 0 || xorriso->node_array == NULL)
return(0);
n= xorriso->node_counter;
if(n == 0)
return(0);
l= 0;
@ -245,13 +274,24 @@ int Xorriso_search_in_node_array(struct XorrisO *xorriso,
if(p == 0)
break;
p+= l;
ret= Xorriso__findi_sorted_ino_cmp(&(xorriso->node_array[p - 1]), &node);
/* NULL elements may indicate invalid nodes. Their first valid right neigbor
will serve as proxy. If none exists, then the test pushes leftwards.
*/
for(pos= p - 1; pos < n; pos++)
if(node_array[pos] != NULL)
break;
if(pos < n)
ret= (*cmp)(&(node_array[pos]), &node);
else
ret= 1;
if(ret < 0)
l= p;
else if(ret > 0)
r= p;
else {
*idx= p - 1;
*idx= pos;
return(1);
}
}
@ -259,6 +299,139 @@ int Xorriso_search_in_node_array(struct XorrisO *xorriso,
}
int Xorriso_search_in_node_array(struct XorrisO *xorriso,
void *node, int *idx, int flag)
{
int ret;
if(xorriso->node_array_size <= 0 || xorriso->node_array == NULL)
return(0);
ret= Xorriso__search_node(xorriso->node_array, xorriso->node_counter,
Xorriso__findi_sorted_ino_cmp, node, idx, 0);
return ret;
}
int Xorriso__get_di(IsoNode *node, dev_t *dev, ino_t *ino, int flag)
{
int ret, i, i_end, imgid, error_code;
size_t value_length= 0;
char *value= NULL, msg[ISO_MSGS_MESSAGE_LEN], severity[80];
unsigned char *vpt;
static char *name= "isofs.di";
#ifdef NIX
/* <<< */
Xorriso_get_di_counteR++;
#endif /* NIX */
*dev= 0;
*ino= 0;
ret= iso_node_lookup_attr(node, name, &value_length, &value, 0);
if(ret <= 0) {
/* Drop any pending messages because there is no xorriso to take them */
iso_obtain_msgs("NEVER", &error_code, &imgid, msg, severity);
return(ret);
}
vpt= (unsigned char *) value;
for(i= 1; i <= vpt[0] && i < value_length; i++)
*dev= ((*dev) << 8) | vpt[i];
i_end= i + vpt[i] + 1;
for(i++; i < i_end && i < value_length; i++)
*ino= ((*ino) << 8) | vpt[i];
#ifdef NIX
/* <<< */
if(*ino > 10000000 || *ino < 0) {
fprintf(stderr,
"xorriso_DEBUG: name= '%s' , vl= %lu , i_end= %d\n",
iso_node_get_name(node), (unsigned long) value_length, i_end);
fprintf(stderr, " ");
for(i= 0; i < value_length; i++)
fprintf(stderr, " %-3.3u", (unsigned int) vpt[i]);
fprintf(stderr, "\n");
}
#endif
free(value);
return(1);
}
int Xorriso__di_ino_cmp(const void *p1, const void *p2)
{
int ret;
IsoNode *n1, *n2;
dev_t d1, d2;
ino_t i1, i2;
n1= *((IsoNode **) p1);
n2= *((IsoNode **) p2);
ret= Xorriso__get_di(n1, &d1, &i1, 0);
if(ret <= 0)
{d1= 0; i1= 0;}
ret= Xorriso__get_di(n2, &d2, &i2, 0);
if(ret <= 0)
{d2= 0; i2= 0;}
if(d1 < d2)
return(-1);
if(d1 > d2)
return(1);
if(i1 < i2)
return(-1);
if(i1 > i2)
return(1);
if(d1 == 0 && i1 == 0 && n1 != n2)
return(n1 < n2 ? -1 : 1);
return(0);
}
int Xorriso__di_cmp(const void *p1, const void *p2)
{
int ret;
IsoNode *n1, *n2;
ret= Xorriso__di_ino_cmp(p1, p2);
if(ret)
return(ret);
n1= *((IsoNode **) p1);
n2= *((IsoNode **) p2);
if(n1 != n2)
return(n1 < n2 ? -1 : 1);
return(0);
}
int Xorriso__sort_di(void *node_array[], int count, int flag)
{
if(count <= 0)
return(0);
qsort(node_array, count, sizeof(IsoNode *), Xorriso__di_cmp);
return(1);
}
int Xorriso_invalidate_di_item(struct XorrisO *xorriso, IsoNode *node,
int flag)
{
int ret, idx;
if(xorriso->di_array == NULL)
return(1);
ret= Xorriso__search_node(xorriso->di_array, xorriso->di_count,
Xorriso__di_cmp, node, &idx, 0);
if(ret <= 0)
return(ret == 0);
if(xorriso->di_array[idx] != NULL)
iso_node_unref(xorriso->di_array[idx]);
xorriso->di_array[idx]= NULL;
return(1);
}
/* ------------------------------------------------------------------------ */
@ -393,6 +566,7 @@ int Xorriso_detach_libraries(struct XorrisO *xorriso, int flag)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
}
if(flag&1) {
if(xorriso->libs_are_started==0)
@ -550,6 +724,7 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
xorriso->loaded_volid[0]= 0;
xorriso->volset_change_pending= 0;
xorriso->no_volset_present= 0;
@ -728,7 +903,7 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
aquire_flag= 1 | ((flag&(8|4))>>1) | ((xorriso->toc_emulation_flag & 3)<<3);
if(!(xorriso->do_aaip & 1))
aquire_flag|= 32;
if(!(xorriso->do_aaip & 4))
if((xorriso->ino_behavior & (1 | 2)) && !(xorriso->do_aaip & (4 | 32)))
aquire_flag|= 64;
ret= isoburn_drive_aquire(&dinfo, libburn_adr, aquire_flag);
Xorriso_process_msg_queues(xorriso,0);
@ -827,6 +1002,7 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
/* check for invalid state */
if(state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE &&
@ -842,7 +1018,7 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
goto ex;
ext= isoburn_ropt_noiso1999;
if(!(xorriso->do_aaip & (1 | 4 | 32)))
if((xorriso->ino_behavior & (1 | 2)) && !(xorriso->do_aaip & (1 | 4 | 32)))
ext|= isoburn_ropt_noaaip;
if(!(xorriso->do_aaip & 1))
ext|= isoburn_ropt_noacl;
@ -1017,6 +1193,7 @@ int Xorriso_give_up_drive(struct XorrisO *xorriso, int flag)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
xorriso->loaded_volid[0]= 0;
xorriso->isofs_st_out= time(0) - 1;
xorriso->isofs_st_in= 0;
@ -1490,7 +1667,7 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
}
}
if(xorriso->do_aaip & 16) {
if((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2)) {
/* Overwrite isofs.st of root node by xorriso->isofs_st_out */
char *name= "isofs.st";
char timestamp[16], *value= timestamp;
@ -1506,7 +1683,8 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
ext= isoburn_igopt_rockridge |
((!!xorriso->do_joliet) * isoburn_igopt_joliet) |
(( !(xorriso->ino_behavior & 2)) * isoburn_igopt_hardlinks) |
((!!(xorriso->do_aaip & (2 | 8 | 16 | 256))) * isoburn_igopt_aaip);
(( (!(xorriso->ino_behavior & 2)) ||
(xorriso->do_aaip & (2 | 8 | 16 | 256))) * isoburn_igopt_aaip);
isoburn_igopt_set_extensions(sopts, ext);
isoburn_igopt_set_relaxed(sopts, relax);
isoburn_igopt_set_sort_files(sopts, 1);
@ -1965,6 +2143,11 @@ int Xorriso_node_from_path(struct XorrisO *xorriso, IsoImage *volume,
path_pt= path;
if(path[0]==0)
path_pt= "/";
if(volume == NULL) {
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret <= 0)
return(ret);
}
*node= NULL;
ret= iso_tree_path_to_node(volume, path_pt, node);
Xorriso_process_msg_queues(xorriso,0);
@ -2295,7 +2478,7 @@ int Xorriso_transfer_properties(struct XorrisO *xorriso, struct stat *stbuf,
}
}
if((flag & 4) && (xorriso->do_aaip & 16)) {
if((flag & 4) && ((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2))) {
ret= Xorriso_record_dev_inode(xorriso, disk_path, (dev_t) 0, (ino_t) 0,
(void *) node, "", flag & 32);
if(ret <= 0)
@ -2403,7 +2586,7 @@ int Xorriso_tree_graft_node(struct XorrisO *xorriso, IsoImage *volume,
goto ex;
}
if(stbuf_valid && (xorriso->do_aaip & 16)) {
if(stbuf_valid && ((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2))) {
ret= Xorriso_record_dev_inode(xorriso, disk_path,
stbuf.st_dev, stbuf.st_ino, (void *) *node, "", 1);
if(ret <= 0)
@ -2425,6 +2608,7 @@ ex:;
/* @param flag bit0= recursion is active
bit1= do not report added files
bit6= do not delete eventually existing node from di_array
*/
int Xorriso_add_tree(struct XorrisO *xorriso, IsoDir *dir,
char *img_dir_path, char *disk_dir_path,
@ -2586,7 +2770,8 @@ cannot_lstat:;
/* handle overwrite situation */;
if(xorriso->do_overwrite==1 ||
(xorriso->do_overwrite==2 && !(target_is_dir && !target_is_split))) {
ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, img_path, 1|8);
ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, img_path,
1 | 8 | (flag & 64));
if(ret<=0)
goto was_problem;
if(ret==3) {
@ -2659,7 +2844,8 @@ cannot_lstat:;
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
} else {
ret= Xorriso_add_tree(xorriso, (IsoDir *) node,
img_path, disk_path, own_link_stack, 1|(flag&2));
img_path, disk_path, own_link_stack,
1 | (flag & (2 | 64)));
}
if(ret<=0)
goto was_problem;
@ -2781,6 +2967,7 @@ int Xorriso_copy_properties(struct XorrisO *xorriso,
bit3= use offset and cut_size for cut_out_node
bit4= return 3 on rejection by exclusion or user
bit5= if directory then do not add sub tree
bit6= do not delete eventually existing node from di_array
bit7= no special handling of split file directories
@return <=0 = error , 1 = added simple node , 2 = added directory ,
3 = rejected
@ -2911,7 +3098,8 @@ int Xorriso_graft_in(struct XorrisO *xorriso, void *boss_iter,
/* handle overwrite situation */;
if(xorriso->do_overwrite==1 ||
(xorriso->do_overwrite==2 && !(target_is_dir && !target_is_split))) {
ret= Xorriso_rmi(xorriso, boss_iter, (off_t) 0, path, 1|8);
ret= Xorriso_rmi(xorriso, boss_iter, (off_t) 0, path,
1 | 8 | (flag & 64));
if(ret<=0)
return(ret);
if(ret==3) {
@ -2968,7 +3156,7 @@ attach_source:;
(IsoNode *) dir, 4 | 32);
if(!(flag&32)) {
ret= Xorriso_add_tree(xorriso, dir, img_path, disk_path, NULL,
flag&2);
flag & (2 | 64));
if(ret<=0)
return(ret);
}
@ -5728,6 +5916,7 @@ cannot_iter:;
bit3= this is for overwriting and not for plain removal
bit4= count deleted files in xorriso->pacifier_count
bit5= with bit0 only remove directory content, not the directory
bit6= do not delete eventually existing node from di_array
@return <=0 = error
1 = removed simple node
2 = removed directory or tree
@ -5828,7 +6017,8 @@ cannot_create_iter:;
if(Xorriso_much_too_long(xorriso, pl+1+strlen(name), 0)<=0)
{ret= 0; goto rm_r_problem_handler;}
strcpy(sub_name, name);
ret= Xorriso_rmi(xorriso, iter, mem, sub_path, (flag&(1|2|8|16))|4);
ret= Xorriso_rmi(xorriso, iter, mem, sub_path,
(flag & ( 1 | 2 | 8 | 16 | 64)) | 4);
if(ret==3 || ret<=0 || xorriso->request_to_abort) {
rm_r_problem_handler:;
not_removed= 1;
@ -5925,6 +6115,9 @@ dir_not_removed:;
}
}
if(!(flag & 64))
Xorriso_invalidate_di_item(xorriso, victim_node, 0);
#ifdef Libisofs_iso_dir_iter_sufficienT
if(boss_iter!=NULL) {
@ -5950,6 +6143,7 @@ dir_not_removed:;
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= -1; goto ex;
}
if(flag&16)
xorriso->pacifier_count++;
xorriso->volset_change_pending= 1;
@ -10185,14 +10379,16 @@ ex:;
int Xorriso_set_ignore_aclea(struct XorrisO *xorriso, int flag)
{
int ret;
int ret, hflag;
IsoImage *volume;
ret= Xorriso_get_volume(xorriso, &volume, 1);
if(ret<=0)
return(ret);
iso_image_set_ignore_aclea(volume,
((~xorriso->do_aaip) & 1) | (((~xorriso->do_aaip) & (4 | 16)) >> 1));
hflag= (~xorriso->do_aaip) & 1;
if((xorriso->ino_behavior & (1 | 2)) && !(xorriso->do_aaip & (4 | 16)))
hflag|= 2;
iso_image_set_ignore_aclea(volume, hflag);
return(1);
}
@ -11395,3 +11591,251 @@ int Xorriso_status_zisofs(struct XorrisO *xorriso, char *filter, FILE *fp,
return(1);
}
/* @param flag bit0= overwrite existing di_array (else return 2)
bit1= make di_array despite xorriso->ino_behavior bit 3
*/
int Xorriso_make_di_array(struct XorrisO *xorriso, int flag)
{
int ret;
struct FindjoB *job= NULL;
struct stat dir_stbuf;
#ifdef NIX
/* <<< */
unsigned long old_gdic;
old_gdic= Xorriso_get_di_counteR;
#endif /* NIX */
if((xorriso->ino_behavior & 8 ) && !(flag & 2))
return(2);
if(xorriso->di_array != NULL && !(flag & 1))
return(2);
Xorriso_destroy_di_array(xorriso, 0);
ret= Findjob_new(&job, "/", 0);
if(ret<=0) {
Xorriso_no_findjob(xorriso, "xorriso", 0);
{ret= -1; goto ex;}
}
Findjob_set_action_target(job, 30, NULL, 0);
Xorriso_destroy_node_array(xorriso, 0);
ret= Xorriso_findi(xorriso, job, NULL, (off_t) 0, NULL, "/",
&dir_stbuf, 0, 0);
if(ret <= 0)
goto ex;
ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0);
if(ret <= 0)
goto ex;
Findjob_set_action_target(job, 31, NULL, 0);
ret= Xorriso_findi(xorriso, job, NULL, (off_t) 0, NULL, "/",
&dir_stbuf, 0, 0);
if(ret <= 0)
goto ex;
xorriso->di_count= xorriso->node_counter;
xorriso->di_array= xorriso->node_array;
xorriso->node_counter= 0;
xorriso->node_array_size= 0;
xorriso->node_array= 0;
Xorriso__sort_di((void *) xorriso->di_array, xorriso->di_count, 0);
ret= 1;
ex:;
#ifdef NIX
/* <<< */
fprintf(stderr, "xorriso_DEBUG: sort_count= %lu\n",
Xorriso_get_di_counteR - old_gdic);
#endif /* NIX */
Findjob_destroy(&job, 0);
return(ret);
}
/* @param flag bit0= return 1 even if matching nodes were found but node is
not among them
*/
int Xorriso_search_di_range(struct XorrisO *xorriso, IsoNode *node,
int *idx, int *low, int *high, int flag)
{
int ret, i, found;
*high= *low= *idx= -1;
ret= Xorriso__search_node(xorriso->di_array, xorriso->di_count,
Xorriso__di_ino_cmp, node, &found, 0);
if(ret <= 0)
return(0);
*low= *high= found;
for(i= found + 1; i < xorriso->di_count; i++)
if(xorriso->di_array[i] != NULL) {
if(Xorriso__di_ino_cmp(&node, &(xorriso->di_array[i])) != 0)
break;
*high= i;
}
for(i= found - 1; i >= 0; i--)
if(xorriso->di_array[i] != NULL) {
if(Xorriso__di_ino_cmp(&node, &(xorriso->di_array[i])) != 0)
break;
*low= i;
}
for(i= *low; i <= *high; i++)
if(xorriso->di_array[i] == node) {
*idx= i;
break;
}
return(*idx >= 0 || (flag & 1));
}
/*
@param flag bit0= iso_rr_path is freshly added and up to date
bit2= -follow: this is not a command parameter
@return -1= severe error
0= not applicable for hard links
1= go on with processing
2= iso_rr_path is fully updated
*/
int Xorriso_hardlink_update(struct XorrisO *xorriso, int *compare_result,
char *disk_path, char *iso_rr_path, int flag)
{
int ret, hret, idx, low, high, i, do_overwrite= 0, did_fake_di= 0;
int follow_links, node_result, old_idx= -1;
char node_path[SfileadrL];
IsoNode *node;
struct stat stbuf;
dev_t old_dev;
ino_t old_ino;
if(xorriso->di_array == NULL)
return(1);
follow_links= xorriso->do_follow_links ||
(xorriso->do_follow_param && !(flag & 4));
ret= Xorriso_node_from_path(xorriso, NULL, iso_rr_path, &node, 0);
if(ret <= 0)
return(ret);
if(LIBISO_ISDIR(node))
return(1);
/* Handle eventual hardlink split : */
/* This is achieved by setting the content change bit. Reason:
The node needs to be removed from di_array because its di is
not matching it array index any more. So it becomes invisible for
the join check of eventual later hardlink siblings. Therefore
it must be updated now, even if it has currently no siblings
which it leaves or which it joins.
*/
if(!(flag & 1))
do_overwrite= 1;
Xorriso__get_di(node, &old_dev, &old_ino, 0);
ret= Xorriso__search_node(xorriso->di_array, xorriso->di_count,
Xorriso__di_cmp, node, &idx, 0);
if(ret < 0)
{ret= 0; goto ex;}
if(ret > 0)
old_idx= idx;
/* Handle eventual hardlink joining : */
if(follow_links)
ret= stat(disk_path, &stbuf);
else
ret= lstat(disk_path, &stbuf);
if(ret==-1)
{ret= 0; goto ex;}
/* Are there new dev-ino-siblings in the image ? */
/* Fake isofs.di */
if(!(flag & 1)) {
ret= Xorriso_record_dev_inode(xorriso, disk_path, stbuf.st_dev,
stbuf.st_ino, node, iso_rr_path, 1);
if(ret <= 0)
{ret= -1; goto ex;}
did_fake_di= 1;
/* temporarily remove node from di_array so it does not disturb
search by its fake di info */;
if(old_idx >= 0)
xorriso->di_array[old_idx]= NULL;
}
ret= Xorriso_search_di_range(xorriso, node, &idx, &low, &high, 1);
if(did_fake_di) {
/* Revoke fake of isofs.di */
hret= Xorriso_record_dev_inode(xorriso, disk_path, old_dev, old_ino,
node, iso_rr_path, 1);
if(hret <= 0)
{ret= -1; goto ex;}
if(old_idx >= 0)
xorriso->di_array[old_idx]= node;
}
if(ret == 0)
{ret= 1; goto ex;}
if(ret < 0)
{ret= 0; goto ex;}
#ifdef NIX
/* <<< */
if(low < high || idx < 0) {
fprintf(stderr,
"xorriso_DEBUG: old_idx= %d , low= %d , high= %d , iso= '%s' , disk='%s'\n",
old_idx, low, high, iso_rr_path, disk_path);
fprintf(stderr,
"xorriso_DEBUG: old_dev= %lu , old_ino= %lu , dev= %lu , ino= %lu\n",
(unsigned long) old_dev, (unsigned long) old_ino,
(unsigned long) stbuf.st_dev, (unsigned long) stbuf.st_ino);
if(idx >= 0 && idx != old_idx)
fprintf(stderr, "xorriso_DEBUG: idx= %d , old_idx = %d\n", idx, old_idx);
}
#endif /* NIX */
/* Overwrite all valid siblings : */
for(i= low; i <= high; i++) {
if(i == idx || xorriso->di_array[i] == NULL)
continue;
/* Is the alleged sibling still a valid mirror of disk_path ? */
ret= Xorriso_path_from_node(xorriso, xorriso->di_array[i], node_path, 0);
if(ret < 0)
goto ex;
if(ret == 0)
continue; /* Node is deleted from tree */
#ifdef NIX
/* <<< */
{
ino_t ino;
dev_t dev;
Xorriso__get_di(xorriso->di_array[i], &dev, &ino, 0);
fprintf(stderr, "xorriso_DEBUG: iso_sibling= '%s' , dev= %lu , ino= %lu\n",
node_path, (unsigned long) dev, (unsigned long) ino);
}
#endif /* NIX */
node_result= 0;
ret= Xorriso_compare_2_files(xorriso, disk_path, node_path, "",
&node_result, 2 | follow_links | (7 << 29));
if(ret >= 0) {
/* Overwrite sibling if it would *not* be overwritten by itself.
(If it would be overwritten then it might be not a valid hardlink
sibling.) */
ret= Xorriso_update_interpreter(xorriso, NULL, node_result, disk_path,
node_path, 1 | 4);
if(ret < 0)
goto ex;
}
}
ret= 1;
ex:;
if(do_overwrite)
*compare_result|= (1<<15);
if(old_idx >= 0 && (*compare_result & (3 << 21))) {
/* The old di info is obsolete */
if(xorriso->di_array[old_idx] != NULL)
iso_node_unref(xorriso->di_array[old_idx]);
xorriso->di_array[old_idx]= NULL;
}
return(ret);
}