first working version, need more test

tools/objtrucs.h

@@ -1,5 +1,7 @@
 /*
  *		EXPERIMENTAL CODE !
+ *
+ *		see also 'rdwredges.c
  */
 
 
@@ -8,7 +10,8 @@ typedef struct {
 	BBList			*Blist;
 	EdgeList		*Elist;
 	int			status;
-	} EdgeAndVertices;
+	} EdgesAndVertices;
 
 int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges);
 
+int x_load_vertedges(char *filename, EdgesAndVertices *eav);

tools/rdwredges.c

@@ -19,6 +19,17 @@
 
 extern int		verbosity;
 
+/* --------------------------------------------------------------------- */
+static void dumper(void *ptr, int count)
+{
+int		idx;
+unsigned char	*cptr = (unsigned char *)ptr;
+
+for (idx=0; idx<count; idx++) {
+	fprintf(stderr, "%02x", cptr[idx]);
+	}
+fprintf(stderr, " ?\n");
+}
 /* --------------------------------------------------------------------- */
 /*			EXPERIMENTAL GRUIK-CODE !!!			 */
 int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges)
@@ -26,6 +37,7 @@ int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges)
 FILE		*fp;
 int		idx, edg[2];
 double		coo[3];
+int		nbre;
 
 fprintf(stderr, ">>> %s ( '%s'  %p  %p )\n", __func__, filename,
 						bblist, edges);
@@ -37,6 +49,8 @@ if (NULL==(fp=fopen(filename, "w"))) {
 
 print_bublist_desc(bblist, 0);
 fwrite("VERTICES", 8, 1, fp);
+nbre = bblist->fidx;
+fwrite(&nbre, sizeof(int), 1, fp);
 for (idx=0; idx<bblist->fidx; idx++) {
 	fprintf(stderr, "vertice %d\n", idx);
 	coo[0] = bblist->bbs[idx].p.x;
@@ -47,6 +61,8 @@ for (idx=0; idx<bblist->fidx; idx++) {
 
 print_edgelist_desc(edges, 0);
 fwrite("EDGES   ", 8, 1, fp);
+nbre = edges->fidx;
+fwrite(&nbre, sizeof(int), 1, fp);
 for (idx=0; idx<edges->fidx; idx++) {
 	edg[0] = edges->edges[idx].A;
 	edg[1] = edges->edges[idx].B;
@@ -57,3 +73,108 @@ fclose(fp);
 return 0;
 }
 /* --------------------------------------------------------------------- */
+/*			EXPERIMENTAL GRUIK-CODE !!!			 */
+int x_load_vertedges(char *filename, EdgesAndVertices *eav)
+{
+BBList		*blst;
+EdgeList	*elst;
+FILE		*fp;
+char		marker[8];
+int		nbre, foo, idx, edg[2];
+double		coo[3];
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( '%s' %p )\n", __func__, filename, eav);
+#endif
+
+if (NULL==(fp=fopen(filename, "r"))) {
+	perror(filename);
+	return -4;
+	}
+
+/* + + + + + + + + + + + */
+foo = fread(marker, 8, 1, fp);
+if (1 != foo) {
+	fprintf(stderr, "    %s of '%s': short read %d\n", __func__, filename, foo);
+	return -1;
+	}
+if (memcmp("VERTICES", marker, 8)) {
+	fprintf(stderr, "    %s is not an evblob file.\n", filename);
+	dumper(marker, 8);
+	return -4;
+	}
+
+/* now, get the numbers of vertices */
+foo = fread(&nbre, sizeof(int), 1, fp);
+if (1 != foo) {
+	fprintf(stderr, "    %s of '%s': short read %d\n", __func__, filename, foo);
+	return -1;
+	}
+fprintf(stderr, "    %d vertices to be loaded\n", nbre);
+
+/* allocate memory */
+blst = alloc_bubulles(filename, nbre, 0);
+if (NULL==blst) {
+        fprintf(stderr, "in %s, no mem, aborting...\n", __func__);
+        abort();
+        }
+if (verbosity > 1)  print_bublist_desc(blst, 0);
+/* load all that XYZ points */
+for (idx=0; idx<nbre; idx++) {
+	if (3 != fread(coo, sizeof(double), 3, fp)) {
+		fprintf(stderr, "%s err reading vertice #%d\n", __func__, idx);
+		exit(1);
+		}
+	blst->bbs[idx].p.x = coo[0];
+	blst->bbs[idx].p.y = coo[1];
+	blst->bbs[idx].p.z = coo[2];
+	blst->fidx++;
+	}
+
+/* + + + + + + + + + + + */
+foo = fread(marker, 8, 1, fp);
+if (1 != foo) {
+	fprintf(stderr, "    %s of '%s': short read %d\n", __func__, filename, foo);
+	return -1;
+	}
+if (memcmp("EDGES   ", marker, 8)) {
+	fprintf(stderr, "    %s is not an evblob file.\n", filename);
+	dumper(marker, 8);
+	return -4;
+	}
+/* now, get the numbers of eges */
+foo = fread(&nbre, sizeof(int), 1, fp);
+if (1 != foo) {
+	fprintf(stderr, "    %s of '%s': short read %d\n", __func__, filename, foo);
+	return -1;
+	}
+fprintf(stderr, "    %d edges to be loaded\n", nbre);
+/* allocate memory for edges list */
+elst = alloc_edgelist("krkrkr", nbre, 0);
+if (NULL==elst) {
+        fprintf(stderr, "no mem for edges in %s, aborting...\n", __func__);
+        abort();	/* be violent before OOMK */
+        }
+
+/* read (and check ?) the edges */
+for (idx=0; idx<nbre; idx++) {
+	if (2 != fread(edg, sizeof(int), 2, fp)) {
+		fprintf(stderr, "%s: err reading edge #%d\n", __func__, idx);
+		return -6;
+		}
+	elst->edges[idx].A = edg[0];
+	elst->edges[idx].B = edg[1];
+	elst->fidx++;
+	}
+
+/* so, now I think we have got all the data */
+eav->Blist  = blst;
+eav->Elist  = elst;
+eav->status = 0x51;
+
+fclose(fp);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+