[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/stdlib/grantpt.c b/ap/build/uClibc/libc/stdlib/grantpt.c
new file mode 100644
index 0000000..42a64b3
--- /dev/null
+++ b/ap/build/uClibc/libc/stdlib/grantpt.c
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+/* Copyright (C) 1998, 1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <limits.h>
+#include <stdlib.h>
+
+/* If __ASSUME_DEVPTS__ is defined, grantpt() reduces to a stub since we
+ assume that the devfs/devpts filesystem automatically manages the
+ permissions. */
+#if !defined __ASSUME_DEVPTS__
+#include <sys/statfs.h>
+
+/* Constant that identifies the `devpts' filesystem. */
+#define DEVPTS_SUPER_MAGIC 0x1cd1
+/* Constant that identifies the `devfs' filesystem. */
+#define DEVFS_SUPER_MAGIC 0x1373
+
+/* Prototype for function that changes ownership and access permission
+ for slave pseudo terminals that do not live on a `devpts'
+ filesystem. */
+int __unix_grantpt (int fd);
+
+/* Prototype for private function that gets the name of the slave
+ pseudo terminal in a safe way. */
+static int pts_name (int fd, char **pts, size_t buf_len);
+extern __typeof(statfs) __libc_statfs;
+#endif
+
+/* Change the ownership and access permission of the slave pseudo
+ terminal associated with the master pseudo terminal specified
+ by FD. */
+int
+#if !defined __ASSUME_DEVPTS__
+grantpt (int fd)
+#else
+grantpt (attribute_unused int fd)
+#endif
+{
+#if !defined __ASSUME_DEVPTS__
+ struct statfs fsbuf;
+ char _buf[PATH_MAX];
+ char *buf = _buf;
+
+ if (pts_name (fd, &buf, sizeof (_buf)))
+ return -1;
+
+ if (__libc_statfs (buf, &fsbuf) < 0)
+ return -1;
+
+ /* If the slave pseudo terminal lives on a `devpts' filesystem, the
+ ownership and access permission are already set. */
+ if (fsbuf.f_type != DEVPTS_SUPER_MAGIC && fsbuf.f_type != DEVFS_SUPER_MAGIC)
+ return __unix_grantpt (fd);
+#endif
+ return 0;
+}
+
+#if !defined __ASSUME_DEVPTS__
+# define grantpt __unix_grantpt
+# include "unix_grantpt.c"
+#endif