libc/scanf: Skip whitespace before %%

2023-06-18 23:51:44 +02:00 · 2023-06-18 23:51:44 +02:00 · 8c2348c425
commit 8c2348c425
parent 25e9187826
1 changed files with 5 additions and 1 deletions
--- 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);