scc

commit dc1020739932d2daf3b963a7c4a7d18e5aaf654d
parent 808c3af87431fa08f0184ece6cf81dc219277453
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed,  9 Nov 2022 21:13:08 +0100

libc/wchar: Add internal static state in mbrlen()

Diffstat:
M
src/libc/wchar/mbrlen.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/libc/wchar/mbrlen.c b/src/libc/wchar/mbrlen.c
@@ -5,5 +5,10 @@
 size_t
 mbrlen(const char *restrict s, size_t n, mbstate_t *restrict ps)
 {
+	static mbstate_t p;
+
+	if (!ps)
+		ps = &p;
+
 	return mbrtowc(NULL, s, n, ps);
 }