[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/libio/fileno.c b/ap/libc/glibc/glibc-2.22/libio/fileno.c
new file mode 100644
index 0000000..c1b02d5
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/libio/fileno.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1993-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>.
+
+ As a special exception, if you link the code in this file with
+ files compiled with a GNU compiler to produce an executable,
+ that does not cause the resulting executable to be covered by
+ the GNU Lesser General Public License. This exception does not
+ however invalidate any other reasons why the executable file
+ might be covered by the GNU Lesser General Public License.
+ This exception applies to code released by its copyright holders
+ in files containing the exception. */
+
+#include "libioP.h"
+#include <stdio.h>
+
+int
+__fileno (fp)
+ _IO_FILE* fp;
+{
+ CHECK_FILE (fp, EOF);
+
+ if (!(fp->_flags & _IO_IS_FILEBUF) || _IO_fileno (fp) < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ return _IO_fileno (fp);
+}
+libc_hidden_def (__fileno)
+weak_alias (__fileno, fileno)
+libc_hidden_weak (fileno)
+
+#ifdef weak_alias
+/* The fileno implementation for libio does not require locking because
+ it only accesses once a single variable and this is already atomic
+ (at least at thread level). Therefore we don't test _IO_MTSAFE_IO here. */
+
+weak_alias (__fileno, fileno_unlocked)
+#endif