From 8c2348c425ed0601c7b85ec5e1773c3184c8af0d Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Sun, 18 Jun 2023 23:51:44 +0200
Subject: [PATCH] libc/scanf: Skip whitespace before %%

---
 libc/src/scanf.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libc/src/scanf.cpp b/libc/src/scanf.cpp
index 1a7d3f72..777096e1 100644
--- a/libc/src/scanf.cpp
+++ b/libc/src/scanf.cpp
@@ -72,7 +72,11 @@ extern "C"
             else
             {
                 format++;
-                if (*format == '%') goto normal;
+                if (*format == '%')
+                {
+                    str += strspn(str, " \t\f\r\n\v");
+                    goto normal;
+                }
 
                 int flags = parse_flags(&format);
                 size_t width = parse_width(&format, flags);