Add comments explaining changes to upstream source files.

[wasi-libc.git] / libc-top-half / musl / src / stdio / vfscanf.c

diff --git a/libc-top-half/musl/src/stdio/vfscanf.c b/libc-top-half/musl/src/stdio/vfscanf.c
index 05ec7f3f626b63514883a4d4eac908014d594ea1..d5be8647520075ace0a1e4938762869c1424c5af 100644 (file)
--- a/libc-top-half/musl/src/stdio/vfscanf.c
+++ b/libc-top-half/musl/src/stdio/vfscanf.c
@@ -6,7 +6,7 @@
 #include <limits.h>
 #include <string.h>
 #include <stdint.h>
-#ifdef __wasilibc_unmodified_upstream
+#ifdef __wasilibc_unmodified_upstream // Changes to optimize printf/scanf when long double isn't needed
 #else
 #include "printscan.h"
 #endif