zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/stdio/putchar.c b/ap/build/uClibc/libc/stdio/putchar.c
new file mode 100644
index 0000000..583e90f
--- /dev/null
+++ b/ap/build/uClibc/libc/stdio/putchar.c
@@ -0,0 +1,43 @@
+/* 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 putchar
+#ifdef __DO_UNLOCKED
+
+#undef putchar_unlocked
+int putchar_unlocked(int c)
+{
+ register FILE *stream = stdout;
+
+ return __PUTC_UNLOCKED_MACRO(c, stream);
+}
+
+#ifndef __UCLIBC_HAS_THREADS__
+strong_alias(putchar_unlocked,putchar)
+#endif
+
+#elif defined __UCLIBC_HAS_THREADS__
+
+int putchar(int c)
+{
+ register FILE *stream = stdout;
+
+ if (stream->__user_locking != 0) {
+ return __PUTC_UNLOCKED_MACRO(c, stream);
+ } else {
+ int retval;
+ __STDIO_ALWAYS_THREADLOCK(stream);
+ retval = __PUTC_UNLOCKED_MACRO(c, stream);
+ __STDIO_ALWAYS_THREADUNLOCK(stream);
+ return retval;
+ }
+}
+
+#endif