Better handling of attempt to manipulate non-existent ISO image

xorriso/xorriso.c

@@ -2780,6 +2780,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->in_drive_handle= NULL;
  m->in_volset_handle= NULL;
  m->volset_change_pending= 0;
+ m->no_volset_present= 0;
  m->outdev[0]= 0;
  m->out_drive_handle= NULL;
  m->dev_fd_1= -1;
@@ -6167,24 +6168,24 @@ int Xorriso_findx_action(struct XorrisO *xorriso, struct FindjoB *job,
  if(action<0)
    action= 0;
  if(action==15 || action==16 || action==18 || action==19 || action==20) {
-   /* in_iso , not_in_iso, add_missing */
+   /* in_iso , not_in_iso, add_missing , empty_iso_dir , is_full_in_iso */
    Findjob_get_start_path(job, &disk_prefix, 0);
    if(strncmp(abs_path, disk_prefix, strlen(disk_prefix))!=0)
-     return(-1);
+     {ret= -1; goto ex;}
    dpl= strlen(disk_prefix);
    if(strlen(target)+strlen(abs_path)-dpl >= SfileadrL)
-     return(-1);
+     {ret= -1; goto ex;}
    if(abs_path[dpl]=='/')
      dpl++;
    ret= Xorriso_make_abs_adr(xorriso, target, abs_path+dpl, iso_path, 4);
    if(ret<=0)
-     return(ret);
+     {goto ex;}
 
  }
  if(action==15) { /* in_iso */
    ret= Xorriso_iso_lstat(xorriso, iso_path, &stbuf, 0);
    if(ret==-1)
-     return(1);
+     {ret= 1; goto ex;}
    sprintf(xorriso->result_line, "%s\n", Text_shellsafe(show_path, sfe, 0));
    Xorriso_result(xorriso, 0);
    ret= 1;
@@ -6211,9 +6212,9 @@ int Xorriso_findx_action(struct XorrisO *xorriso, struct FindjoB *job,
  } else if(action==19) { /* empty_iso_dir */
    ret= Xorriso_iso_lstat(xorriso, iso_path, &stbuf, 0);
    if(ret==-1)
-     return(1);
+     {ret= 1; goto ex;}
    if(!S_ISDIR(stbuf.st_mode))
-     return(1);
+     {ret= 1; goto ex;}
    ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, iso_path, 1|32);
    if(ret>0) {
      sprintf(xorriso->info_text, "Emptied directory %s",
@@ -6223,9 +6224,9 @@ int Xorriso_findx_action(struct XorrisO *xorriso, struct FindjoB *job,
  } else if(action==20) { /* is_full_in_iso */
    ret= Xorriso_iso_lstat(xorriso, iso_path, &stbuf, 0);
    if(ret==-1)
-     return(1);
+     {ret= 1; goto ex;}
    if(!S_ISDIR(stbuf.st_mode))
-     return(1);
+     {ret= 1; goto ex;}
    strcpy(sfe, xorriso->wdi);
    strcpy(xorriso->wdi, iso_path);
    ret= Xorriso_ls(xorriso, 4|8);
@@ -6236,12 +6237,16 @@ int Xorriso_findx_action(struct XorrisO *xorriso, struct FindjoB *job,
             Text_shellsafe(iso_path, sfe, 0));
      Xorriso_result(xorriso,0);
    }
-   return(1);
+   {ret= 1; goto ex;}
  } else {
    sprintf(xorriso->result_line, "%s\n", Text_shellsafe(show_path, sfe, 0));
    Xorriso_result(xorriso, 0);
    ret= 1;
  } 
+ex:;
+ if(action==15 || action==16 || action==18 || action==19 || action==20)
+   if(xorriso->no_volset_present)
+     xorriso->request_to_abort= 1; /* Need an image. No use to try again. */
  return(ret);
 }
 
@@ -6308,11 +6313,15 @@ int Xorriso_findx(struct XorrisO *xorriso, struct FindjoB *job,
      ret= Xorriso_findx_action(xorriso, job, abs_dir_path, dir_path, depth,
                                flag&1);
      if(ret<=0) {
+       if(xorriso->request_to_abort)
+         goto ex;
        if(Xorriso_eval_problem_status(xorriso, ret, 1|2)<0)
          goto ex;
      }
    }
  }
+ if(xorriso->request_to_abort)
+   {ret= 1; goto ex;}
  if(!S_ISDIR(dir_stbuf->st_mode))
    {ret= 2; goto ex;}
 
@@ -6360,6 +6369,8 @@ int Xorriso_findx(struct XorrisO *xorriso, struct FindjoB *job,
    if(ret>0) {
      ret= Xorriso_findx_action(xorriso, job, abs_path, path, depth, flag&1);
      if(ret<=0) {
+       if(xorriso->request_to_abort)
+         goto ex;
        if(Xorriso_eval_problem_status(xorriso, ret, 1|2)<0)
          goto ex;
      }
@@ -7940,6 +7951,7 @@ int Xorriso_option_commit(struct XorrisO *xorriso, int flag)
  if(ret<=0)
    return(ret);
  xorriso->volset_change_pending= 0;
+ xorriso->no_volset_present= 0;
  if(flag&1)
    return(1);
  strcpy(newdev, xorriso->outdev);
@@ -10903,6 +10915,7 @@ int Xorriso_dialog(struct XorrisO *xorriso, int flag)
    if(ret==3)
  break;
    xorriso->did_something_useful= 1;
+   xorriso->no_volset_present= 0; /* Re-enable "No ISO image present." */
  }
  ret= 1;
 ex:;

xorriso/xorriso_private.h

@@ -110,6 +110,7 @@ struct XorrisO { /* the global context of xorriso */
  void *in_volset_handle; /* interpreted only by xorrisoburn.c */
 
  int volset_change_pending; /* whether -commit would make sense */
+ int no_volset_present;     /* set to 1 on first failure */
 
  char outdev[SfileadrL];
  void *out_drive_handle; /* interpreted only by xorrisoburn.c */

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2008.03.20.192317"
+#define Xorriso_timestamP "2008.03.20.210522"

xorriso/xorrisoburn.c

@@ -443,6 +443,7 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
    xorriso->in_volset_handle= NULL;
    xorriso->loaded_volid[0]= 0;
    xorriso->volset_change_pending= 0;
+   xorriso->no_volset_present= 0;
  }
 
  ret= isoburn_ropt_new(&ropts, 0);
@@ -464,6 +465,7 @@ int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
  xorriso->in_volset_handle= (void *) volset;
  Xorriso_update_volid(xorriso, 0);
  xorriso->volset_change_pending= 0;
+ xorriso->no_volset_present= 0;
  return(1);
 }
 
@@ -706,7 +708,7 @@ int Xorriso_give_up_drive(struct XorrisO *xorriso, int flag)
    xorriso->in_volset_handle= NULL;
    xorriso->loaded_volid[0]= 0;
    xorriso->volset_change_pending= 0;
-
+   xorriso->no_volset_present= 0; 
    in_is_out_too= 0;
  }
  if((flag&2) && xorriso->out_drive_handle!=NULL) {
@@ -1257,10 +1259,13 @@ int Xorriso_get_volume(struct XorrisO *xorriso, IsoImage **volume,
      sprintf(xorriso->info_text+strlen(xorriso->info_text),
              " Possible program error with drive '%s'.", xorriso->indev);
 
-   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+   if(!xorriso->no_volset_present)
+     Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+   xorriso->no_volset_present= 1;
    return(0);
  }
  *volume= (IsoImage *) xorriso->in_volset_handle;
+ xorriso->no_volset_present= 0;
  return(*volume != NULL);
 }