[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/string/stpncpy.c b/ap/libc/glibc/glibc-2.23/string/stpncpy.c
new file mode 100644
index 0000000..0cafc84
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/string/stpncpy.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 1993-2016 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/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef _LIBC
+# include <string.h>
+#else
+# include <sys/types.h>
+#endif
+
+#ifndef STPNCPY
+# ifdef weak_alias
+# define STPNCPY __stpncpy
+weak_alias (__stpncpy, stpncpy)
+# else
+# define STPNCPY stpncpy
+# endif
+#endif
+
+/* Copy no more than N characters of SRC to DEST, returning the address of
+ the terminating '\0' in DEST, if any, or else DEST + N. */
+char *
+STPNCPY (char *dest, const char *src, size_t n)
+{
+ size_t size = __strnlen (src, n);
+ memcpy (dest, src, size);
+ dest += size;
+ if (size == n)
+ return dest;
+ return memset (dest, '\0', n - size);
+}
+#ifdef weak_alias
+libc_hidden_def (__stpncpy)
+#endif