With -extract : made hardlink registration combinable with sort_lba

xorriso/xorriso.1

@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Jun 23, 2009"
+.TH XORRISO 1 "Jun 27, 2009"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -668,8 +668,7 @@ terminal where xorriso runs. Before attributing this local character set
 to the produced ISO image, check whether the terminal properly displays
 all intended filenames, especially exotic national characters.
 .TP
-\fB\-hardlinks\fR "on" | "off" | "without_update" | "perform_update" | "start_extract" | "end_extract"
-.br
+\fB\-hardlinks\fR mode[:mode...]
 Enable or disable loading and recording of hardlink relations.
 .br
 In default mode "off", iso_rr files lose their inode numbers at image load
@@ -691,15 +690,15 @@ automatic last minute changes before the session gets written. Command
 Mode "without_update" avoids hardlink processing during update commands.
 .br
 xorriso commands which extract files from an ISO image try to hardlink files
-with identical inode number. Normally this applies only to files which
-get extracted during execution of that same command. One may surround a group
-of extraction commands by -hardlinks "start_extract" and
--hardlinks "end_extract" to allow hard linking among their extracted files.
--osirrox "sort_lba_on" and -hardlinks "start_extract" mutually disable
-each other.
+with identical inode number. The normal scope of this operation is from
+image load to image load. One may give up the accumulated hard link addresses
+by -hardlinks "discard_extract". 
 .br
 A large number of hardlink families may exhaust -temp_mem_limit
-if not -osirrox option "sort_lba_on" is in effect.
+if not -osirrox "sort_lba_on" and -hardlinks "cheap_sorted_extract"
+are both in effect. This restricts hard linking to other files restored by
+the same single extract command. -hardlinks "normal_extract" re-enables
+wide and expensive hardlink accumulation.
 .br
 Hardlink processing automatically enables \fB\-compliance new_rr\fR.
 This may be overridden by a following -compliance old_rr . In this case

xorriso/xorriso.c

@@ -7627,13 +7627,15 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);
 
- is_default= ((xorriso->ino_behavior & 15) == 7);
+ is_default= ((xorriso->ino_behavior & 31) == 7);
  switch (xorriso->ino_behavior & 15) {
  case 0: form= "on";
  break; case 8: form= "without_update";
  break; default: form= "off";
  }
- sprintf(line,"-hardlinks %s\n", form); 
+ sprintf(line,"-hardlinks %s:%s\n", form,
+         xorriso->ino_behavior & 16 ?
+         "cheap_sorted_extract" : "normal_extract"); 
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);
 
@@ -12145,7 +12147,7 @@ int Xorriso_restore_make_hl(struct XorrisO *xorriso,
  Text_shellsafe(new_path, xorriso->info_text, 1);
  strcat(xorriso->info_text, " -> ");
  Text_shellsafe(old_path, xorriso->info_text, 1);
- Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
+ Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "WARNING", 0);
  return(0);
 }
 
@@ -12973,25 +12975,23 @@ int Xorriso_restore_sorted(struct XorrisO *xorriso, int count,
 {
  int i, ret, with_node_array= 0, hflag= 0, hret;
 
- if(xorriso->do_restore_sort_lba ||
-    !((xorriso->ino_behavior & 4) || (flag & 1) ||
-      xorriso->hln_array != NULL)) {
+ if(xorriso->hln_array == NULL &&
+    !(((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)
+     goto ex;
+ }
+ if(xorriso->do_restore_sort_lba) {
    /* Count affected nodes */
    Xorriso_destroy_node_array(xorriso, 0);
    for(i= 0; i < count; i++) {
      if(src_array[i] == NULL || tgt_array[i] == NULL)
    continue;
-     if(xorriso->do_restore_sort_lba) {
-       /* sort_lba : Make directories plus node_array and then
-                     run array extractor (with eventual hardlink detection)
-       */
-       hflag= (1 << 7) | ((!!(flag & 2)) << 9);
-     } else {
-       /* Hardlink detection: Have a sorted node_array with list of pathnames
-                              for binary lookup in Xorriso_restore()
-       */
-       hflag= 3 << 7;
-     }
+     /* sort_lba : Make directories plus node_array and then
+                   run array extractor (with eventual hardlink detection)
+     */
+     hflag= (1 << 7) | ((!!(flag & 2)) << 9);
      ret= Xorriso_restore(xorriso, src_array[i], tgt_array[i],
                           (off_t) 0, (off_t) 0, hflag);
      if(ret <= 0) {
@@ -13022,21 +13022,6 @@ int Xorriso_restore_sorted(struct XorrisO *xorriso, int count,
          goto ex;
      }
    }
-
-   if(xorriso->hln_array == NULL && !xorriso->do_restore_sort_lba) {
-     /* Unsorted restore is desired and no long term hln array was installed:
-        Take over node array as hln array for this single run. */
-     Xorriso_sort_node_array(xorriso, 0);
-     xorriso->hln_array= xorriso->node_array;
-     xorriso->node_array= NULL;
-     xorriso->node_array_size= 0;
-     xorriso->hln_count= xorriso->node_counter;
-     xorriso->node_counter= 0;
-     /* Allocate new hln_targets array */
-     ret= Xorriso_new_hln_array(xorriso, xorriso->temp_mem_limit, 1);
-     if(ret<=0)
-       goto ex;
-   }
  }
 
  /* Perform restore operations */
@@ -14458,7 +14443,7 @@ ex:;
 int Xorriso_option_cpx(struct XorrisO *xorriso, int argc, char **argv,
                          int *idx, int flag)
 {
- int i, ret, is_dir= 0, was_failure= 0, fret, end_idx_dummy, was_hln_array;
+ int i, ret, is_dir= 0, was_failure= 0, fret, end_idx_dummy;
  char eff_origin[SfileadrL], eff_dest[SfileadrL];
  char dest_dir[SfileadrL], leafname[SfileadrL], sfe[5*SfileadrL];
  char **eff_src_array= NULL, **eff_tgt_array= NULL;
@@ -14467,7 +14452,6 @@ int Xorriso_option_cpx(struct XorrisO *xorriso, int argc, char **argv,
  char **optv= NULL;
  struct stat stbuf;
 
- was_hln_array= (xorriso->hln_array != NULL);
  ret= Xorriso_cpmv_args(xorriso, "-cp*x", argc, argv, idx,
                         &optc, &optv, eff_dest, 1|4);
  if(ret<=0)
@@ -14577,8 +14561,6 @@ ex:;
  Sfile_destroy_argv(&i, &eff_tgt_array, 0);
  Xorriso_opt_args(xorriso, "-cp*x",
                   argc, argv, *idx, &end_idx_dummy, &optc, &optv, 256);
- if(!was_hln_array)
-   Xorriso_destroy_hln_array(xorriso, 0);
  return(ret);
 }
 
@@ -15022,10 +15004,9 @@ int Xorriso_option_external_filter(struct XorrisO *xorriso,
 int Xorriso_option_extract(struct XorrisO *xorriso, char *iso_path,
                            char *disk_path, int flag)
 {
- int ret, was_hln_array;
+ int ret;
  char eff_origin[SfileadrL], eff_dest[SfileadrL], *ipth, *eopt[1], *edpt[1];
 
- was_hln_array= (xorriso->hln_array != NULL);
  if(xorriso->allow_restore <= 0) {
    sprintf(xorriso->info_text,
           "-extract: image-to-disk copies are not enabled by option -osirrox");
@@ -15070,8 +15051,6 @@ int Xorriso_option_extract(struct XorrisO *xorriso, char *iso_path,
 ex:;
  if(!(flag & (4 | 32)))
    Xorriso_destroy_node_array(xorriso, 0);
- if(!was_hln_array)
-   Xorriso_destroy_hln_array(xorriso, 0);
  return(ret);
 }
 
@@ -15721,38 +15700,59 @@ int Xorriso_option_grow_blindly(struct XorrisO *xorriso, char *msc2, int flag)
 int Xorriso_option_hardlinks(struct XorrisO *xorriso, char *mode, int flag)
 {
  int ret;
+ char what_data[SfileadrL], *what, *what_next;
 
- if(strcmp(mode, "off") == 0) {
-   Xorriso_finish_hl_update(xorriso, 0);
-   xorriso->ino_behavior|= 1 | 2 | 4;
-   xorriso->ino_behavior&= ~8;
- } else if(strcmp(mode, "on") == 0) {
-   xorriso->ino_behavior&= ~(1 | 2 | 4 | 8);
- } else if(strcmp(mode, "without_update") == 0) {
-   Xorriso_finish_hl_update(xorriso, 0);
-   xorriso->ino_behavior&= ~(1 | 2 | 4);
-   xorriso->ino_behavior|= 8;
- } else if(strcmp(mode, "start_update") == 0) {
-   xorriso->ino_behavior&= ~(1 | 2 | 4 | 8);
-   ret= Xorriso_make_di_array(xorriso, 1);
-   if(ret <= 0)
-     return(ret);
- } else if(strcmp(mode, "end_update") == 0) {
-   Xorriso_finish_hl_update(xorriso, 0);
- } else if(strcmp(mode, "perform_update") == 0) {
-   Xorriso_finish_hl_update(xorriso, 0);
- } else if(strcmp(mode, "start_extract") == 0) {
-   xorriso->do_restore_sort_lba= 0;
-   xorriso->ino_behavior&= ~(1 | 2 | 4);
-   ret= Xorriso_make_hln_array(xorriso, 1);
-   if(ret <= 0)
-     return(ret);
- } else if(strcmp(mode, "end_extract") == 0) {
-   Xorriso_destroy_hln_array(xorriso, 0);
- } else {
-   sprintf(xorriso->info_text, "-hardlinks: unknown mode '%s'", mode);
+ if(Sfile_str(what_data, mode, 0)<=0) {
+   sprintf(xorriso->info_text,
+           "-hardlinks: mode string is much too long (%d)",
+           (int) strlen(mode));
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    return(0);
+ } 
+ for(what= what_data; what != NULL; what= what_next) {
+   what_next= strchr(what, ':');
+   if(what_next != NULL) {
+     *what_next= 0;
+     what_next++;
+   }
+   if(strcmp(what, "off") == 0) {
+     Xorriso_finish_hl_update(xorriso, 0);
+     xorriso->ino_behavior|= 1 | 2 | 4;
+     xorriso->ino_behavior&= ~8;
+   } else if(strcmp(what, "on") == 0) {
+     xorriso->ino_behavior&= ~(1 | 2 | 4 | 8);
+   } else if(strcmp(what, "without_update") == 0) {
+     Xorriso_finish_hl_update(xorriso, 0);
+     xorriso->ino_behavior&= ~(1 | 2 | 4);
+     xorriso->ino_behavior|= 8;
+   } else if(strcmp(what, "start_update") == 0) {
+     xorriso->ino_behavior&= ~(1 | 2 | 4 | 8);
+     ret= Xorriso_make_di_array(xorriso, 1);
+     if(ret <= 0)
+       return(ret);
+   } else if(strcmp(what, "end_update") == 0) {
+     Xorriso_finish_hl_update(xorriso, 0);
+   } else if(strcmp(what, "perform_update") == 0) {
+     Xorriso_finish_hl_update(xorriso, 0);
+   } else if(strcmp(what, "start_extract") == 0) {
+     xorriso->ino_behavior&= ~(1 | 2 | 4);
+     ret= Xorriso_make_hln_array(xorriso, 1);
+     if(ret <= 0)
+       return(ret);
+   } else if(strcmp(what, "end_extract") == 0) {
+     Xorriso_destroy_hln_array(xorriso, 0);
+   } else if(strcmp(what, "discard_extract") == 0) {
+     Xorriso_destroy_hln_array(xorriso, 0);
+   } else if(strcmp(what, "normal_extract") == 0) {
+     xorriso->ino_behavior&= ~16;
+   } else if(strcmp(what, "cheap_sorted_extract") == 0) {
+     xorriso->ino_behavior|= 16;
+   } else {
+     sprintf(xorriso->info_text, "-hardlinks: unknown mode '%s' in '%s'",
+             what, mode);
+     Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+     return(0);
+   }
  }
  if(xorriso->ino_behavior & 2)
    Xorriso_option_compliance(xorriso, "new_rr", 0);
@@ -15810,12 +15810,11 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "                 Like -charset but only for conversion to media.",
 "  -local_charset name",
 "                 Override system assumption of the local character set name.",
-"  -hardlinks \"on\"|\"off\"|\"start_update\"|\"end_update\"|\"without_update\"",
-"             \"start_extract\"|\"end_extract\"",
-"                 Enable resp. disable recording and restoring of hard links,",
-"                 resp. prepare for -update_r, resp. release prepared memory,",
-"                 resp. disable hardlink detection with -update_r, resp.",
-"                 prepare for -extract, resp. release prepared memory.",
+"  -hardlinks mode[:mode ...]",
+"                 Enable resp. disable recording and restoring of hard links.",
+"                 Modes are \"on\", \"off\", \"perform_update\",",
+"                 \"without_update\", \"discard_extract\",",
+"                 \"cheap_sorted_extract\", \"normal_extract\"",
 "  -acl \"on\"|\"off\"",
 "                 Enable resp. disable reading and writing of ACLs.",
 "  -xattr \"on\"|\"off\"",
@@ -16702,7 +16701,7 @@ int Xorriso_option_map(struct XorrisO *xorriso, char *disk_path,
 int Xorriso_option_map_l(struct XorrisO *xorriso, int argc, char **argv,
                          int *idx, int flag)
 {
- int ret, end_idx, optc= 0, was_failure= 1, i, fret, mode, made_hln_array= 0;
+ int ret, end_idx, optc= 0, was_failure= 1, i, fret, mode;
  int ns_flag= 2|4, nt_flag= 2, opt_args_flag= 2, made_di_array= 0;
  char source_prefix[SfileadrL], target_prefix[SfileadrL], *cmd, **optv= NULL;
  char eff_source[SfileadrL], eff_target[SfileadrL], *source_pt, *s_wd, *t_wd;
@@ -16758,14 +16757,6 @@ int Xorriso_option_map_l(struct XorrisO *xorriso, int argc, char **argv,
    }
    for(i= 0; i < optc; i++)
      eff_src_array[i]= eff_tgt_array[i]= NULL;
-   if(xorriso->hln_array == NULL &&
-      !(xorriso->do_restore_sort_lba || (xorriso->ino_behavior & 4))) {
-     /* Create all-image node array sorted by iso image inode number */
-     ret= Xorriso_make_hln_array(xorriso, 1);
-     if(ret <= 0)
-       goto ex;
-     made_hln_array= (xorriso->hln_array == NULL);
-   }
  }
  if(mode == 2 && !((xorriso->ino_behavior & 2) || (flag & 16) ||
                    xorriso->di_array != NULL)) {
@@ -16853,15 +16844,6 @@ ex:;
  i= optc;
  Sfile_destroy_argv(&i, &eff_tgt_array, 0);
  (*idx)= end_idx;
-
-#ifdef NIX
- /* <<< */
- if(made_di_array)
-   Xorriso_finish_hl_update(xorriso, 0);
-#endif
-
- if(made_hln_array)
-   Xorriso_destroy_hln_array(xorriso, 0);
  Xorriso_opt_args(xorriso, cmd, argc, argv, *idx, &end_idx, &optc, &optv, 256);
  if(ret<=0)
    return(ret);
@@ -18770,15 +18752,6 @@ report_outcome:;
    Xorriso_info(xorriso,0);
 
 ex:;
-
-#ifdef NIX
- /* <<< */
- if(made_di_array) {
-   /* Dispose all-image node array sorted by isofs.di */
-   Xorriso_finish_hl_update(xorriso, 0);
- }
-#endif
-
  if(ret < 0)
    return(ret);
  return(1);

xorriso/xorriso_private.h

@@ -106,6 +106,8 @@ struct XorrisO { /* the global context of xorriso */
                             Do not consolidate suitable nodes to hardlinks.
                       bit3= with update:
                             Do not try to detect hardlink splits and joinings.
+                      bit4= with extract:
+                            Do not automatically create hln arrays
                     */
 
  int do_joliet;

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2009.06.25.125048"
+#define Xorriso_timestamP "2009.06.27.112408"

xorriso/xorrisoburn.c

@@ -3927,17 +3927,24 @@ int Xorriso_restore_overwrite(struct XorrisO *xorriso,
 
 /* @param flag bit0= do not accept hln_targets[i] != NULL as *node_idx
                bit1= use *node_idx as found index rather than searching it
+               bit2= with bit1: use xorriso->node_array rather than hln_array
 */
 int Xorriso_search_hardlinks(struct XorrisO *xorriso, IsoNode *node,
                              int *node_idx, int *min_hl, int *max_hl, int flag)
 {
- int idx, ret, i;
- void *np;
+ int idx, ret, i, node_count;
+ void *np, **node_array;
 
+ node_array= xorriso->hln_array;
+ node_count= xorriso->hln_count;
  *min_hl= *max_hl= -1;
  np= node;
  if(flag & 2) {
    idx= *node_idx;
+   if(flag & 4) {
+     node_array= xorriso->node_array;
+     node_count= xorriso->node_counter;
+   }
  } else {
    *node_idx= -1;
    ret= Xorriso_search_in_hln_array(xorriso, np, &idx, 0);
@@ -3945,11 +3952,11 @@ int Xorriso_search_hardlinks(struct XorrisO *xorriso, IsoNode *node,
      return(ret);
  }
  for(i= idx - 1; i >= 0 ; i--)
-   if(Xorriso__findi_sorted_ino_cmp(&(xorriso->hln_array[i]), &np) != 0)
+   if(Xorriso__findi_sorted_ino_cmp(&(node_array[i]), &np) != 0)
  break;
  *min_hl= i + 1;
- for(i= idx + 1; i < xorriso->hln_count; i++) 
-   if(Xorriso__findi_sorted_ino_cmp(&(xorriso->hln_array[i]), &np) != 0)
+ for(i= idx + 1; i < node_count; i++) 
+   if(Xorriso__findi_sorted_ino_cmp(&(node_array[i]), &np) != 0)
  break;
  *max_hl= i - 1;
 
@@ -3957,8 +3964,8 @@ int Xorriso_search_hardlinks(struct XorrisO *xorriso, IsoNode *node,
  if(flag & 2)
    return(1);
  for(i= *min_hl; i <= *max_hl; i++)
-   if(xorriso->hln_array[i] == np) {
-     if((flag & 1) && xorriso->hln_targets != NULL)
+   if(node_array[i] == np) {
+     if((flag & 1) && xorriso->hln_targets != NULL && !(flag & 4))
        if(xorriso->hln_targets[i] != NULL)
  continue;
      *node_idx= i;
@@ -3994,7 +4001,7 @@ int Xorriso_restore_target_hl(struct XorrisO *xorriso, IsoNode *node,
    }
    link_sibling= 1;
    ret= Xorriso_restore_make_hl(xorriso, xorriso->hln_targets[i], disk_path,
-                                0);
+                                !!xorriso->do_auto_chmod);
    if(ret > 0)
      return(1);
  }
@@ -4015,7 +4022,7 @@ int Xorriso_restore_prefix_hl(struct XorrisO *xorriso, IsoNode *node,
  struct Xorriso_lsT *img_prefixes= NULL, *disk_prefixes= NULL;
 
  ret= Xorriso_search_hardlinks(xorriso, node, &node_idx, &min_hl, &max_hl,
-                               1 | 2);
+                               2 | 4);
  if(ret < 0)
    return(ret);
  if(ret == 0 || min_hl == max_hl)
@@ -4042,7 +4049,8 @@ int Xorriso_restore_prefix_hl(struct XorrisO *xorriso, IsoNode *node,
                                   img_path, old_path, hflag);
    if(ret <= 0)
      return(ret);
-   ret= Xorriso_restore_make_hl(xorriso, old_path, disk_path, 1);
+   ret= Xorriso_restore_make_hl(xorriso, old_path, disk_path,
+                                !!xorriso->do_auto_chmod);
    if(ret > 0)
      return(1);
  }
@@ -4168,10 +4176,10 @@ int Xorriso_restore_disk_object(struct XorrisO *xorriso,
 
    img_path_pt= img_path;
 
- if(!((xorriso->ino_behavior & 4) || (flag & (1 || 16)) ||
-      LIBISO_ISDIR(node))) {
+ if(!((xorriso->ino_behavior & 4) || (flag & (1 | 16)) || LIBISO_ISDIR(node))){
    /* Try to restore as hardlink */
-   ret= Xorriso_restore_target_hl(xorriso, node, disk_path, &node_idx, 0);
+   ret= Xorriso_restore_target_hl(xorriso, node, disk_path, &node_idx,
+                                  !!xorriso->do_auto_chmod);
    if(ret < 0) {
      goto ex;
    } else if(ret & 1) {
@@ -4823,8 +4831,10 @@ int Xorriso_restore_node_array(struct XorrisO *xorriso, int flag)
                                  &stbuf_ret, 64);
    if(ret<=0 || ret==3)
      goto was_problem;
-  
-   if(i > 0 && !(xorriso->ino_behavior & 4)) {
+   if(xorriso->hln_array != NULL && !(xorriso->ino_behavior & 16)) {
+     /* Eventual lookup of hardlinks will be done in
+        Xorriso_restore_disk_object() */;
+   } else if(i > 0 && !(xorriso->ino_behavior & 4)) {
      if(Xorriso__findi_sorted_ino_cmp(&(xorriso->node_array[i-1]),
                                       &(xorriso->node_array[i])) == 0) {
        if(faulty_family) {
@@ -4853,7 +4863,8 @@ int Xorriso_restore_node_array(struct XorrisO *xorriso, int flag)
    }
 
    ret= Xorriso_restore_disk_object(xorriso, img_path, node, disk_path,
-                                    (off_t) 0, (off_t) 0, 4 | 128);
+                                    (off_t) 0, (off_t) 0,
+                                    4 | (xorriso->ino_behavior & 16) | 128);
    if(ret<=0)
      goto was_problem;
    if(ret == 4) {
@@ -4862,7 +4873,7 @@ int Xorriso_restore_node_array(struct XorrisO *xorriso, int flag)
      if(ret < 0)
        goto ex;
      ret= Xorriso_restore_disk_object(xorriso, img_path, node, disk_path,
-                                      (off_t) 0, (off_t) 0, 4);
+                       (off_t) 0, (off_t) 0, 4 | (xorriso->ino_behavior & 16));
      if(ret<=0)
        goto was_problem;
      Permstack_pop(&(xorriso->perm_stack), perm_stack_mem, xorriso, 0);