From b3bdfec3b18069563ea831f19fede69e159832cf Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sat, 25 Jul 2009 18:18:05 +0000
Subject: [PATCH] Updating sorted link array before usage after image
 manipulations

---
 xorriso/xorriso.c           |  14 ++-
 xorriso/xorriso_eng.html    |  23 ++++-
 xorriso/xorriso_private.h   |   5 +-
 xorriso/xorriso_timestamp.h |   2 +-
 xorriso/xorrisoburn.c       | 193 +++++++++++++++++++++++++++++-------
 5 files changed, 193 insertions(+), 44 deletions(-)

diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index 8d7795b5..486e893e 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -5419,6 +5419,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->hln_count= 0;
  m->hln_array= NULL; 
  m->hln_targets= NULL;
+ m->hln_change_pending= 0;
  m->di_do_widen= NULL;
  m->di_disk_paths= NULL;
  m->di_iso_paths= NULL;
@@ -5525,6 +5526,14 @@ int Xorriso_destroy(struct XorrisO **xorriso, int flag)
 }
 
 
+int Xorriso_set_change_pending(struct XorrisO *xorriso, int flag)
+{
+ xorriso->volset_change_pending= 1;
+ xorriso->hln_change_pending= 1;
+ return(1);
+}
+
+
 int Xorriso_dialog_input(struct XorrisO *xorriso, char line[], int linesize,
                          int flag)
 /*
@@ -12975,8 +12984,7 @@ int Xorriso_restore_sorted(struct XorrisO *xorriso, int count,
 {
  int i, ret, with_node_array= 0, hflag= 0, hret;
 
- if(xorriso->hln_array == NULL &&
-    !(((xorriso->ino_behavior & 16) && xorriso->do_restore_sort_lba) ||
+ if(!(((xorriso->ino_behavior & 16) && xorriso->do_restore_sort_lba) ||
       (xorriso->ino_behavior & 4) || (flag & 1))) {
    ret= Xorriso_make_hln_array(xorriso, 0);
    if(ret<=0)
@@ -13007,7 +13015,7 @@ int Xorriso_restore_sorted(struct XorrisO *xorriso, int count,
    /* Allocate and fill node array */
    if(xorriso->node_counter <= 0)
      {ret= 2; goto ex;}
-   ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit,
+   ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0,
                                !xorriso->do_restore_sort_lba);
    if(ret<=0)
      goto ex;
diff --git a/xorriso/xorriso_eng.html b/xorriso/xorriso_eng.html
index c0d22eef..68067eba 100644
--- a/xorriso/xorriso_eng.html
+++ b/xorriso/xorriso_eng.html
@@ -420,10 +420,10 @@ files or trees to disk:
 <P>
 <DL>
 <DT><H3>Download as source code (see README):</H3></DT>
-<DD><A HREF="xorriso-0.4.0.pl00.tar.gz">xorriso-0.4.0.pl00.tar.gz</A>
+<DD><A HREF="xorriso-0.4.0.pl01.tar.gz">xorriso-0.4.0.pl01.tar.gz</A>
 (1260 KB).
 </DD>
-<DD>(Released 28 Jun 2009)</DD>
+<DD>(Released 20 Jul 2009)</DD>
 </DL>
 </DD>
 </DL>
@@ -460,6 +460,15 @@ Bug fixes towards xorriso-0.3.8.pl00:
 
 </P>
 
+<P>
+Bug fix towards xorriso-0.4.0.pl00:
+<UL>
+<LI>xorriso -as mkisofs did not understand the -C option of growisofs any more
+</LI>
+</UL>
+
+</P>
+
 <P>
 Enhancements towards previous stable version xorriso-0.3.8.pl00:
 <UL>
@@ -513,15 +522,19 @@ cdrecord and mkisofs.</DT>
 <DT><H3>Development snapshot, version 0.4.1 :</H3></DT>
 <DD>Bug fixes towards xorriso-0.4.0.pl00:
 <UL>
-<LI>- none yet -</LI>
+<LI>xorriso -as mkisofs did not understand the -C option of growisofs any more
+</LI>
 <!-- 
+<LI>- none yet -</LI>
  -->
 </UL>
 </DD>
-<DD>Enhancements towards stable version 0.4.0.pl00:
+<DD>Enhancements towards stable version 0.4.0.pl01:
 <UL>
-<LI>- none yet -</LI>
+<LI>Options -lsl and lsdl now display correct link counts if -hardlinks is on
+</LI>
 <!-- 
+<LI>- none yet -</LI>
  -->
 </UL>
 </DD>
diff --git a/xorriso/xorriso_private.h b/xorriso/xorriso_private.h
index f7ddc32f..2fa327c0 100644
--- a/xorriso/xorriso_private.h
+++ b/xorriso/xorriso_private.h
@@ -107,7 +107,7 @@ struct XorrisO { /* the global context of xorriso */
                       bit3= with update:
                             Do not try to detect hardlink splits and joinings.
                       bit4= with extract:
-                            Do not automatically create hln arrays
+                            Do not create or use hln arrays if sort_lba_on
                     */
 
  int do_joliet;
@@ -403,6 +403,7 @@ struct XorrisO { /* the global context of xorriso */
  int hln_count;
  void **hln_array;
  void **hln_targets;
+ int hln_change_pending; /* whether a change was made since hln creation */
 
  /* >>> this should count all temp_mem and thus change its name */
  off_t node_targets_availmem;
@@ -432,6 +433,8 @@ struct XorrisO { /* the global context of xorriso */
 };
 
 
+int Xorriso_set_change_pending(struct XorrisO *xorriso, int flag);
+
 int Xorriso_prepare_regex(struct XorrisO *xorriso, char *adr, int flag);
 
 int Xorriso_result(struct XorrisO *xorriso, int flag);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index afa34259..c58a7a4f 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.07.23.103728"
+#define Xorriso_timestamP "2009.07.25.181857"
diff --git a/xorriso/xorrisoburn.c b/xorriso/xorrisoburn.c
index 165e2c38..f44f3a85 100644
--- a/xorriso/xorrisoburn.c
+++ b/xorriso/xorrisoburn.c
@@ -208,21 +208,23 @@ int Xorriso_destroy_di_array(struct XorrisO *xorriso, int flag)
 }
 
 
-int Xorriso_new_node_array(struct XorrisO *xorriso, off_t mem_limit, int flag)
+int Xorriso_new_node_array(struct XorrisO *xorriso, off_t mem_limit,
+                           int addon_nodes, int flag)
 {
  int i;
 
  if(xorriso->node_counter <= 0)
    return(1);
 
- xorriso->node_array= calloc(xorriso->node_counter, sizeof(IsoNode *));
+ xorriso->node_array= calloc(xorriso->node_counter + addon_nodes,
+                             sizeof(IsoNode *));
  if(xorriso->node_array == NULL) {
    Xorriso_no_malloc_memory(xorriso, NULL, 0);
    return(-1);
  }
- for(i= 0; i < xorriso->node_counter; i++)
+ for(i= 0; i < xorriso->node_counter + addon_nodes; i++)
    xorriso->node_array[i]= NULL;
- xorriso->node_array_size= xorriso->node_counter;
+ xorriso->node_array_size= xorriso->node_counter + addon_nodes;
  xorriso->node_counter= 0;
  return(1);
 }
@@ -284,6 +286,25 @@ int Xorriso__findi_sorted_ino_cmp(const void *p1, const void *p2)
 }
 
 
+/* Not suitable for qsort() but for cross-array comparisons.
+   p1 and p2 are actually IsoNode *p1, IsoNode *p2
+*/
+int Xorriso__hln_cmp(const void *p1, const void *p2)
+{
+ int ret;
+
+ ret= Xorriso__findi_sorted_ino_cmp(&p1, &p2);
+ if(ret)
+   return (ret > 0 ? 1 : -1);
+ if(p1 != p2)
+   return(p1 < p2 ? -1 : 1);
+ return(0);
+}
+
+
+/* 
+   p1 and p2 are actually IsoNode **p1, IsoNode **p2
+*/
 int Xorriso__findi_sorted_cmp(const void *p1, const void *p2)
 {
  int ret;
@@ -2416,7 +2437,6 @@ int Xorriso_fake_stbuf(struct XorrisO *xorriso, char *path, struct stat *stbuf,
                        IsoNode **node, int flag)
 {
  int ret, min_hl, max_hl, node_idx, i;
- char img_path[SfileadrL];
  IsoImage *volume;
 
  memset((char *) stbuf, 0, sizeof(struct stat));
@@ -2492,10 +2512,7 @@ int Xorriso_fake_stbuf(struct XorrisO *xorriso, char *path, struct stat *stbuf,
      if(i == node_idx)
    continue;
      /* Check whether node is still valid */
-     ret= Xorriso_path_from_node(xorriso, xorriso->hln_array[i], img_path, 0);
-     if(ret < 0)
-       return(ret);
-     if(ret > 0)
+     if(iso_node_get_parent(xorriso->hln_array[i]) != NULL)
        stbuf->st_nlink++;
    }
  }
@@ -2917,7 +2934,7 @@ cannot_lstat:;
      Xorriso_pacifier_callback(xorriso, "files added", xorriso->pacifier_count,
                                xorriso->pacifier_total, "", 0);
 
-   xorriso->volset_change_pending= 1;
+   Xorriso_set_change_pending(xorriso, 0);
    if(source_is_dir) {
      if(do_not_dive) {
        sprintf(xorriso->info_text, "Did not follow mount point : %s",
@@ -3035,7 +3052,7 @@ int Xorriso_copy_properties(struct XorrisO *xorriso,
  }
  Xorriso_transfer_properties(xorriso, &stbuf, disk_path, node,
                            ((flag & 2) >> 1) | ((flag & 1) << 5) | (flag & 4));
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  return(1);
 }
 
@@ -3217,7 +3234,7 @@ handle_path_node:;
        return(0);
      }
      dir= hdir;
-     xorriso->volset_change_pending= 1;
+     Xorriso_set_change_pending(xorriso, 0);
      iso_node_set_ctime((IsoNode *) dir, time(NULL));
      iso_node_set_uid((IsoNode *) dir, geteuid());
      iso_node_set_gid((IsoNode *) dir, getegid());
@@ -3259,7 +3276,7 @@ attach_source:;
          Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
          return(0);
        }
-       xorriso->volset_change_pending= 1;
+       Xorriso_set_change_pending(xorriso, 0);
        iso_node_set_name(node, apt);
 
        xorriso->pacifier_count++;
@@ -6238,7 +6255,7 @@ dir_not_removed:;
 
  if(flag&16)
    xorriso->pacifier_count++;
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  ret= 1+!!is_dir;
 ex:;
  if(sfe!=NULL)
@@ -7181,7 +7198,7 @@ int Xorriso_set_st_mode(struct XorrisO *xorriso, char *in_path,
  sprintf(xorriso->info_text,"Permissions now: %-5.5o  %s",
          (unsigned int) (mode & 0xffff), Text_shellsafe(path, sfe, 0));
  Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  Xorriso_process_msg_queues(xorriso,0);
  return(1);
 }
@@ -7198,7 +7215,7 @@ int Xorriso_set_uid(struct XorrisO *xorriso, char *in_path, uid_t uid,
    return(ret);
  iso_node_set_uid(node, uid);
  iso_node_set_ctime(node, time(NULL));
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  Xorriso_process_msg_queues(xorriso,0);
  return(1);
 }
@@ -7215,7 +7232,7 @@ int Xorriso_set_gid(struct XorrisO *xorriso, char *in_path, gid_t gid,
    return(ret);
  iso_node_set_gid(node, gid);
  iso_node_set_ctime(node, time(NULL));
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  Xorriso_process_msg_queues(xorriso,0);
  return(1);
 }
@@ -7239,7 +7256,7 @@ int Xorriso_set_time(struct XorrisO *xorriso, char *in_path, time_t t,
    iso_node_set_mtime(node, t);
  if(!(flag&(2|256)))
    iso_node_set_ctime(node, time(NULL));
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  Xorriso_process_msg_queues(xorriso,0);
  return(1);
 }
@@ -8121,6 +8138,21 @@ ex:;
 }
 
 
+int Xorriso_node_is_valid(struct XorrisO *xorriso, IsoNode *in_node, int flag)
+{
+ IsoNode *node, *parent;
+
+ for(node= in_node; 1; node= parent) {
+   parent= (IsoNode *) iso_node_get_parent(node);
+   if(parent == node)
+ break;
+   if(parent == NULL)
+     return(0); /* Node is not in the tree (any more) */
+ }
+ return(1);
+}
+
+
 int Xorriso_path_from_node(struct XorrisO *xorriso, IsoNode *in_node,
                            char path[SfileadrL], int flag)
 {
@@ -8291,7 +8323,7 @@ int Xorriso_findi_sorted(struct XorrisO *xorriso, struct FindjoB *job,
  }
 
  /* Copy matching nodes into allocated array */
- ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0);
+ ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0, 0);
  if(ret <= 0)
    goto ex;
  array_job.action= 31; /* internal: register */
@@ -8361,7 +8393,7 @@ int Xorriso_set_volid(struct XorrisO *xorriso, char *volid, int flag)
    return(ret);
  iso_image_set_volume_id(volume, volid);
  if(!(flag&1))
-   xorriso->volset_change_pending= 1;
+   Xorriso_set_change_pending(xorriso, 0);
  Xorriso_process_msg_queues(xorriso,0);
  sprintf(xorriso->info_text,"Volume ID: '%s'",iso_image_get_volume_id(volume));
  Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
@@ -10560,7 +10592,7 @@ int Xorriso_setfacl(struct XorrisO *xorriso, void *in_node, char *path,
    }
    ret= 0; goto ex;
  }
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  ret= 1;
 ex:;
  Xorriso_process_msg_queues(xorriso,0);
@@ -10690,7 +10722,7 @@ int Xorriso_setfattr(struct XorrisO *xorriso, void *in_node, char *path,
    }
    ret= 0; goto ex;
  }
- xorriso->volset_change_pending= 1;
+ Xorriso_set_change_pending(xorriso, 0);
  ret= 1;
 ex:;
  Xorriso_process_msg_queues(xorriso,0);
@@ -11725,7 +11757,7 @@ int Xorriso_status_zisofs(struct XorrisO *xorriso, char *filter, FILE *fp,
 }
 
 
-int Xorriso_all_node_array(struct XorrisO *xorriso, int flag)
+int Xorriso_all_node_array(struct XorrisO *xorriso, int addon_nodes, int flag)
 {  
  int ret;
  struct FindjoB *job= NULL;
@@ -11742,7 +11774,7 @@ int Xorriso_all_node_array(struct XorrisO *xorriso, int flag)
                     &dir_stbuf, 0, 0);
  if(ret <= 0)
    goto ex;
- ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, 0);
+ ret= Xorriso_new_node_array(xorriso, xorriso->temp_mem_limit, addon_nodes, 0);
  if(ret <= 0)
    goto ex;
  Findjob_set_action_target(job, 31, NULL, 0);
@@ -11757,20 +11789,43 @@ ex:;
 }
 
 
-/* @param flag bit0= overwrite existing hln_array (else return 2)
-*/
-int Xorriso_make_hln_array(struct XorrisO *xorriso, int flag)
+int Xorriso_remake_hln_array(struct XorrisO *xorriso, int flag)
 {  
- int ret; 
+ int ret, addon_nodes= 0, i, old_count, old_pt, new_pt;
+ IsoNode **old_nodes;
+ char **old_targets;
 
- if(xorriso->hln_array != NULL && !(flag & 1))
-   return(2);
- Xorriso_destroy_hln_array(xorriso, 0);
-
- ret= Xorriso_all_node_array(xorriso, 0);
+ /* Count hln_targets of which the node has been deleted meanwhile */
+ for(i= 0; i < xorriso->hln_count; i++) {
+   if(xorriso->hln_targets[i] == NULL)
+ continue;
+   if(Xorriso_node_is_valid(xorriso, xorriso->hln_array[i], 0))
+ continue;
+   addon_nodes++;
+ }
+ ret= Xorriso_all_node_array(xorriso, addon_nodes, 0);
  if(ret <= 0)
    goto ex;
+ if(addon_nodes > 0) {
+   /* Transfer delete nodes with hln_target to node array */
+   for(i= 0; i < xorriso->hln_count; i++) {
+     if(xorriso->hln_targets[i] == NULL)
+   continue;
+     if(Xorriso_node_is_valid(xorriso, xorriso->hln_array[i], 0))
+   continue;
+     if(xorriso->node_counter < xorriso->node_array_size) {
+       xorriso->node_array[xorriso->node_counter++]= xorriso->hln_array[i];
+       iso_node_ref(xorriso->node_array[xorriso->node_counter - 1]);
+     }
+   }
+ }
+
  Xorriso_sort_node_array(xorriso, 0);
+ old_nodes= (IsoNode **) xorriso->hln_array;
+ old_targets= (char **) xorriso->hln_targets;
+ old_count= xorriso->hln_count;
+ xorriso->hln_array= 0;
+ xorriso->hln_targets= NULL;
 
  /* Transfer node_array to di_array without unrefering nodes */
  xorriso->hln_count= xorriso->node_counter;
@@ -11784,7 +11839,77 @@ int Xorriso_make_hln_array(struct XorrisO *xorriso, int flag)
  if(ret<=0)
    goto ex;
  xorriso->node_targets_availmem= xorriso->temp_mem_limit;
+ if(old_targets != NULL) {
+   /* Transfer targets from old target array */;
+   new_pt= old_pt= 0;
+   while(new_pt < xorriso->hln_count && old_pt < old_count) {
+     ret= Xorriso__hln_cmp(xorriso->hln_array[new_pt], old_nodes[old_pt]);
+     if(ret < 0) {
+       new_pt++;
+     } else if(ret > 0) {
+       old_pt++;
+     } else {
+       xorriso->hln_targets[new_pt]= old_targets[old_pt];
+       if(old_targets[old_pt] != NULL)
+         xorriso->temp_mem_limit-= strlen(old_targets[old_pt]) + 1;
+       old_targets[old_pt]= NULL;
+       new_pt++;
+       old_pt++;
+     }
+   }
+   for(old_pt= 0; old_pt < old_count; old_pt++)
+     if(old_targets[old_pt] != NULL) /* (should not happen) */
+       free(old_targets[old_pt]);
+   free((char *) old_targets);
+ }
+ if(old_nodes != NULL) {
+   for(old_pt= 0; old_pt < old_count; old_pt++)
+     if(old_nodes[old_pt] != NULL)
+       iso_node_unref(old_nodes[old_pt]);
+   free((char *) old_nodes);
+ }
+ xorriso->hln_change_pending= 0;
+ ret= 1;
+ex:;
+ return(ret);
+}
 
+
+/* @param flag bit0= overwrite existing hln_array (else return 2)
+*/
+int Xorriso_make_hln_array(struct XorrisO *xorriso, int flag)
+{  
+ int ret;
+
+ if(xorriso->hln_array != NULL && !(flag & 1)) {
+   /* If no fresh image manipulations occured: keep old array */
+   if(!xorriso->hln_change_pending)
+     return(2);
+   ret= Xorriso_remake_hln_array(xorriso, 0);
+   return(ret);
+ }
+ Xorriso_destroy_hln_array(xorriso, 0);
+
+ ret= Xorriso_all_node_array(xorriso, 0, 0);
+ if(ret <= 0)
+   goto ex;
+ Xorriso_sort_node_array(xorriso, 0);
+
+ /* Transfer node_array to di_array without unrefering nodes */
+ xorriso->hln_count= xorriso->node_counter;
+ xorriso->hln_array= xorriso->node_array;
+ xorriso->node_counter= 0;
+ xorriso->node_array_size= 0;
+ xorriso->node_array= NULL;
+
+ /* Allocate hln_targets */
+ ret= Xorriso_new_hln_array(xorriso, xorriso->temp_mem_limit, 1);
+ if(ret<=0) {
+   Xorriso_destroy_hln_array(xorriso, 0);
+   goto ex;
+ }
+ xorriso->node_targets_availmem= xorriso->temp_mem_limit;
+ xorriso->hln_change_pending= 0;
  ret= 1;
 ex:;
  return(ret);
@@ -11810,7 +11935,7 @@ int Xorriso_make_di_array(struct XorrisO *xorriso, int flag)
    return(2);
  Xorriso_finish_hl_update(xorriso, 0);
 
- ret= Xorriso_all_node_array(xorriso, 0);
+ ret= Xorriso_all_node_array(xorriso, 0, 0);
  if(ret <= 0)
    goto ex;
  bytes= xorriso->node_array_size / 8 + 1;