util: add circle to special chars we can draw

src/shared/macro.h

@@ -278,11 +278,9 @@ do {                                                                    \
  */
 #define F_TYPE_EQUAL(a, b) (a == (typeof(a)) b)
 
-
 /* Returns the number of chars needed to format variables of the
  * specified type as a decimal string. Adds in extra space for a
  * negative '-' prefix. */
-
 #define DECIMAL_STR_MAX(type)                                           \
         (1+(sizeof(type) <= 1 ? 3 :                                     \
             sizeof(type) <= 2 ? 5 :                                     \

src/shared/util.c

@@ -5466,6 +5466,7 @@ const char *draw_special_char(DrawSpecialChar ch) {
                         [DRAW_TREE_RIGHT]         = "\342\224\224\342\224\200", /* └─ */
                         [DRAW_TREE_SPACE]         = "  ",                       /*    */
                         [DRAW_TRIANGULAR_BULLET]  = "\342\200\243 ",            /* ‣  */
+                        [DRAW_BLACK_CIRCLE]       = "\342\227\217 ",            /* ●  */
                 },
                 /* ASCII fallback */ {
                         [DRAW_TREE_VERT]          = "| ",
@@ -5473,6 +5474,7 @@ const char *draw_special_char(DrawSpecialChar ch) {
                         [DRAW_TREE_RIGHT]         = "`-",
                         [DRAW_TREE_SPACE]         = "  ",
                         [DRAW_TRIANGULAR_BULLET]  = "> ",
+                        [DRAW_BLACK_CIRCLE]       = "* ",
                 }
         };
 

src/shared/util.h

@@ -622,6 +622,7 @@ typedef enum DrawSpecialChar {
         DRAW_TREE_RIGHT,
         DRAW_TREE_SPACE,
         DRAW_TRIANGULAR_BULLET,
+        DRAW_BLACK_CIRCLE,
         _DRAW_SPECIAL_CHAR_MAX
 } DrawSpecialChar;
 const char *draw_special_char(DrawSpecialChar ch);