From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/ctype/toupper.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/ctype/toupper.c

(limited to 'src/ctype/toupper.c')

diff --git a/src/ctype/toupper.c b/src/ctype/toupper.c
new file mode 100644
index 0000000..4e74a55
--- /dev/null
+++ b/src/ctype/toupper.c
@@ -0,0 +1,14 @@
+#include <ctype.h>
+
+int toupper(int c)
+{
+	if (islower(c)) return c & 0x5f;
+	return c;
+}
+
+int __toupper_l(int c, locale_t l)
+{
+	return toupper(c);
+}
+
+weak_alias(__toupper_l, toupper_l);
-- 
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