enable unlocked I/O by default

getchar_unlocked is part of POSIX and should be supported by most platforms. On
all tested platforms it has a performance benefit, sometimes smallish (<12%),
sometimes large (~40%).

1 files changed, 1 insertions, 1 deletions

diff --git a/xml.h b/xml.h
index 7b6bd35..ad53396 100644
--- a/xml.h
+++ b/xml.h
@@ -24,7 +24,7 @@ typedef struct xmlparser {
 #ifndef GETNEXT
 	/* GETNEXT overridden to reduce function call overhead and further
 	   context optimizations. */
-	#define GETNEXT getchar
+	#define GETNEXT getchar_unlocked
 #endif
 
 	/* current tag */