1 files changed, 44 insertions, 0 deletions
diff --git a/libc/stdio/getchar.c b/libc/stdio/getchar.c
new file mode 100644
index 000000000..49414eb70
--- /dev/null
+++ b/libc/stdio/getchar.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
+ */
+
+#include "_stdio.h"
+
+#undef getchar_unlocked
+#undef getchar
+
+#ifdef __DO_UNLOCKED
+
+weak_alias(__getchar_unlocked,getchar_unlocked);
+#ifndef __UCLIBC_HAS_THREADS__
+weak_alias(__getchar_unlocked,getchar);
+#endif
+
+int __getchar_unlocked(void)
+{
+	register FILE *stream = stdin;
+
+	return __GETC_UNLOCKED_MACRO(stream);
+}
+
+#elif defined __UCLIBC_HAS_THREADS__
+
+int getchar(void)
+{
+	register FILE *stream = stdin;
+
+	if (stream->__user_locking != 0) {
+		return __GETC_UNLOCKED_MACRO(stream);
+	} else {
+		int retval;
+		__STDIO_ALWAYS_THREADLOCK(stream);
+		retval = __GETC_UNLOCKED_MACRO(stream);
+		__STDIO_ALWAYS_THREADUNLOCK(stream);
+		return retval;
+	}
+}
+
+#endif