Add options to sort directories by file size (ascending or descending)

Size is indexed, so might as well sort by it. This does have an issue with files >= 4GB in length however, so I'm looking at that next.

src/sbbs3/filedat.c

@@ -305,6 +305,22 @@ static int file_compare_date_d(const void* v1, const void* v2)
 	return f2->hdr.when_imported.time - f1->hdr.when_imported.time;
 }
 
+static int file_compare_size_a(const void* v1, const void* v2)
+{
+	file_t* f1 = (file_t*)v1;
+	file_t* f2 = (file_t*)v2;
+
+	return f1->idx.size - f2->idx.size;
+}
+
+static int file_compare_size_d(const void* v1, const void* v2)
+{
+	file_t* f1 = (file_t*)v1;
+	file_t* f2 = (file_t*)v2;
+
+	return f2->idx.size - f1->idx.size;
+}
+
 void sortfiles(file_t* filelist, size_t count, enum file_sort order)
 {
 	switch(order) {
@@ -326,6 +342,12 @@ void sortfiles(file_t* filelist, size_t count, enum file_sort order)
 		case FILE_SORT_DATE_D:
 			qsort(filelist, count, sizeof(*filelist), file_compare_date_d);
 			break; 
+		case FILE_SORT_SIZE_A:
+			qsort(filelist, count, sizeof(*filelist), file_compare_size_a);
+			break;
+		case FILE_SORT_SIZE_D:
+			qsort(filelist, count, sizeof(*filelist), file_compare_size_d);
+			break; 
 	}
 }
 

src/sbbs3/js_filebase.c

@@ -1911,6 +1911,10 @@ JSObject* js_CreateFileBaseClass(JSContext* cx, JSObject* parent, scfg_t* cfg)
 				, JSPROP_PERMANENT|JSPROP_ENUMERATE|JSPROP_READONLY);
 			JS_DefineProperty(cx, sort, "DATE_D", INT_TO_JSVAL(FILE_SORT_DATE_D), NULL, NULL
 				, JSPROP_PERMANENT|JSPROP_ENUMERATE|JSPROP_READONLY);
+			JS_DefineProperty(cx, sort, "SIZE_A", INT_TO_JSVAL(FILE_SORT_SIZE_A), NULL, NULL
+				, JSPROP_PERMANENT|JSPROP_ENUMERATE|JSPROP_READONLY);
+			JS_DefineProperty(cx, sort, "SIZE_D", INT_TO_JSVAL(FILE_SORT_SIZE_D), NULL, NULL
+				, JSPROP_PERMANENT|JSPROP_ENUMERATE|JSPROP_READONLY);
 #ifdef BUILD_JSDOCS
 			js_DescribeSyncObject(cx, sort, "Sort order numeric constants", 0);
 			js_CreateArrayOfStrings(cx, sort, "_property_desc_list", filebase_sort_prop_desc, JSPROP_READONLY);

src/sbbs3/sbbsdefs.h

@@ -296,6 +296,8 @@ enum file_sort {                    /* Values for dir[x].sort */
 	,FILE_SORT_NAME_DC  = 5         /* Sort by filename, descending (case-sensitive) */
     ,FILE_SORT_DATE_A   = 2         /* Sort by upload date, ascending */
     ,FILE_SORT_DATE_D   = 3         /* Sort by upload date, descending */
+	,FILE_SORT_SIZE_A	= 6			/* Sort by file size, ascending */
+	,FILE_SORT_SIZE_D	= 7			/* Sort by file size, descending */
 	,FILE_SORT_NATURAL  = FILE_SORT_DATE_A
 };
 

src/sbbs3/scfg/scfgxfr2.c

@@ -31,6 +31,8 @@ char* file_sort_desc[] = {
 	"Date Descending",
 	"Name Ascending (case-sensitive)",
 	"Name Descending (case-sensitive)",
+	"Size Ascending",
+	"Size Descending",
 	NULL
 };