[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/stdio/fileno.c b/ap/build/uClibc/libc/stdio/fileno.c
new file mode 100644
index 0000000..452572b
--- /dev/null
+++ b/ap/build/uClibc/libc/stdio/fileno.c
@@ -0,0 +1,48 @@
+/* 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"
+
+
+#ifdef __DO_UNLOCKED
+
+int fileno_unlocked(register FILE *stream)
+{
+	__STDIO_STREAM_VALIDATE(stream);
+
+	if ((!__STDIO_STREAM_IS_CUSTOM(stream)) && (stream->__filedes >= 0)) {
+		return stream->__filedes;
+	}
+
+	__set_errno(EBADF);
+	return -1;
+}
+libc_hidden_def(fileno_unlocked)
+
+#ifndef __UCLIBC_HAS_THREADS__
+strong_alias(fileno_unlocked,fileno)
+libc_hidden_def(fileno)
+#endif
+
+#elif defined __UCLIBC_HAS_THREADS__
+
+int fileno(register FILE *stream)
+{
+	int retval;
+	__STDIO_AUTO_THREADLOCK_VAR;
+
+	__STDIO_AUTO_THREADLOCK(stream);
+
+	retval = fileno_unlocked(stream);
+
+	__STDIO_AUTO_THREADUNLOCK(stream);
+
+	return retval;
+}
+libc_hidden_def(fileno)
+
+#endif