From 723b75534632a99228a7266d7579c9d8b3f0cb77 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Wed, 10 Feb 2016 16:30:16 +0100
Subject: added String::toupper(): minor optimization

 * This is one of the most called functions (although a cheap one),
   so having our own inline implementation speeds up things.
   Benchmarks have shown that parsing is sped up by at least 4%.
---
 src/string-utils.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/string-utils.h')

diff --git a/src/string-utils.h b/src/string-utils.h
index 4eee958..559e590 100644
--- a/src/string-utils.h
+++ b/src/string-utils.h
@@ -26,6 +26,18 @@ namespace SciTECO {
 
 namespace String {
 
+/**
+ * Upper-case ASCII character.
+ *
+ * There are implementations in glib and libc,
+ * but defining it here ensures it can be inlined.
+ */
+static inline gchar
+toupper(gchar chr)
+{
+	return chr >= 'a' && chr <= 'z' ? chr & ~0x20 : chr;
+}
+
 /**
  * Allocate a string containing a single character chr.
  */
-- 
cgit v1.2.3