complete ASCII speedup of case-insensitive scrollback search matching (…

…mintty#986)
tonholland · May 3, 2020 · a453a3d · a453a3d
1 parent 3dc0fd6
commit a453a3d
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/term.c b/src/term.c
@@ -585,8 +585,12 @@ static uint
 case_fold(uint ch)
 {
   // speedup ASCII
-  if (ch >= 'A' && ch <= 'Z')
-    return ch + 'a' - 'A';
+  if (ch < 0x80) {
+    if (ch >= 'A' && ch <= 'Z')
+      return ch + 'a' - 'A';
+    else
+      return ch;
+  }
 
   // binary search in table
   int min = 0;