Working towards coordination of -compare, -update and -cut_out

libisoburn/trunk/xorriso/xorriso.c

@@ -2720,6 +2720,125 @@ int Findjob_set_action_subjob(struct FindjoB *o, int action,
 }
 
 
+/* ---------------------------- SplitparT ------------------------- */
+
+
+struct SplitparT {
+ char *name;
+ int partno;
+ int total_parts;
+ off_t offset;
+ off_t bytes;
+ off_t total_bytes;
+};
+
+
+int Splitparts_new(struct SplitparT **o, int count, int flag)
+{
+ int i;
+
+ (*o)= TSOB_FELD(struct SplitparT, count);
+ if((*o)==NULL)
+   return(-1);
+ for(i= 0; i<count; i++) {
+   o[i]->name= NULL;
+   o[i]->partno= 0;
+   o[i]->total_parts= 0;
+   o[i]->offset= 0;
+   o[i]->bytes= 0;
+   o[i]->total_bytes= 0;
+ }
+ return(1);
+}
+
+
+int Splitparts_destroy(struct SplitparT **o, int count, int flag)
+{
+ int i;
+
+ if((*o)==NULL)
+   return(0);
+ for(i= 0; i<count; i++) {
+   if(o[i]->name!=NULL)
+     free(o[i]->name);
+ }
+ free(*o);
+ *o= NULL;
+ return(1);
+}
+
+
+int Splitpart_set(struct SplitparT *o, char *name, int partno, int total_parts,
+                  off_t offset, off_t bytes, off_t total_bytes, int flag)
+{
+ o->name= name;
+ o->partno= partno;
+ o->total_parts= total_parts;
+ o->offset= offset;
+ o->bytes= bytes;
+ o->total_bytes= total_bytes;
+ return(1);
+}
+
+
+int Splitpart__read_next_num(char *base_pt, char **next_pt, off_t *num,
+                             int flag)
+{
+ char *cpt, *ept, scale[4];
+
+ *num= 0;
+ for(cpt= base_pt; *cpt!=0 && !isdigit(*cpt); cpt++);
+ if(*cpt==0)
+   return(0);
+ for(ept= cpt; *ept!=0 && isdigit(*ept); ept++)
+   *num= (*num)*10+(*ept)-'0';
+ scale[0]= '1';
+ scale[1]= *ept;
+ scale[2]= 0;
+ *num *= (off_t) Scanf_io_size(scale, 0);
+ if(*ept!=0)
+   ept++;
+ *next_pt= ept;
+ return(1);
+}
+
+
+int Splitpart__parse(char *name, int *partno, int *total_parts,
+                    off_t *offset, off_t *bytes, off_t *total_bytes, int flag)
+
+{
+ int ret; 
+ off_t num;
+ char *cpt, *ept;
+
+ cpt= name;
+ ret= Splitpart__read_next_num(name, &ept, &num, 0);
+ if(ret<=0)
+   return(ret);
+ *partno= num;
+ cpt= ept;
+ ret= Splitpart__read_next_num(name, &ept, &num, 0);
+ if(ret<=0)
+   return(ret);
+ *total_parts= num;
+ cpt= ept;
+ ret= Splitpart__read_next_num(name, &ept, offset, 0);
+ if(ret<=0)
+   return(ret);
+ cpt= ept;
+ ret= Splitpart__read_next_num(name, &ept, bytes, 0);
+ if(ret<=0)
+   return(ret);
+ cpt= ept;
+ ret= Splitpart__read_next_num(name, &ept, total_bytes, 0);
+ if(ret<=0)
+   return(ret);
+ return(1);
+}
+
+
+/* ---------------------------- End SplitparT ------------------------- */
+
 /* ------------------------------- Xorriso -------------------------------- */
 
 /** The list of startup file names */
@@ -4222,6 +4341,7 @@ much_too_long:;
  return(1);
 }
 
+
 /*
    @param result  Bitfield indicationg type of mismatch
                bit0= disk_adr not existing