1 files changed, 12 insertions, 0 deletions
diff --git a/src/stdio/putc.c b/src/stdio/putc.c
new file mode 100644
index 00000000..fa893496
--- /dev/null
+++ b/src/stdio/putc.c
@@ -0,0 +1,12 @@
+#include "stdio_impl.h"
+
+int putc(int c, FILE *f)
+{
+	if (f->lock < 0 || !__lockfile(f))
+		return putc_unlocked(c, f);
+	c = putc_unlocked(c, f);
+	__unlockfile(f);
+	return c;
+}
+
+weak_alias(putc, _IO_putc);