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/stdio/ferror.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/stdio/ferror.c

(limited to 'src/stdio/ferror.c')

diff --git a/src/stdio/ferror.c b/src/stdio/ferror.c
new file mode 100644
index 0000000..d692eed
--- /dev/null
+++ b/src/stdio/ferror.c
@@ -0,0 +1,14 @@
+#include "stdio_impl.h"
+
+#undef ferror
+
+int ferror(FILE *f)
+{
+	FLOCK(f);
+	int ret = !!(f->flags & F_ERR);
+	FUNLOCK(f);
+	return ret;
+}
+
+weak_alias(ferror, ferror_unlocked);
+weak_alias(ferror, _IO_ferror_unlocked);
-- 
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