edje_textblock: content_fit size_range update

Summary: update size range will skip empty font_sizes

Reviewers: woohyun, bowonryu

Reviewed By: woohyun

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D11507

src/lib/edje/edje_textblock.c

@@ -539,12 +539,15 @@ _edje_part_recalc_single_textblock(FLOAT_T sc,
                   Evas_Textblock_Style *st = _edje_textblock_style_get(ed, chosen_desc->text.style.str);
                   const char *text_style = evas_textblock_style_get(st);
                   char *s_font_size = (text_style) ? strrstr(text_style,"font_size=") : NULL;
-                  if (s_font_size)
+                  if (s_font_size && s_font_size[10])
                     {
-                      int font_size = strtol(&s_font_size[10], NULL, 10);
-                      chosen_desc->text.size_range_max = font_size;
-                      if (chosen_desc->text.size_range_min > chosen_desc->text.size_range_max)
-                        chosen_desc->text.size_range_min = chosen_desc->text.size_range_max;
+                      int font_size = (int) strtol(&s_font_size[10], NULL, 10);
+                      if (font_size > 0)
+                        {
+                          chosen_desc->text.size_range_max = font_size;
+                          if (chosen_desc->text.size_range_min > chosen_desc->text.size_range_max)
+                            chosen_desc->text.size_range_min = chosen_desc->text.size_range_max;
+                        }
                     }
                   EINA_LIST_FOREACH(chosen_desc->text.fit_size_array, l, value)
                     {