[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/string/bits/string3.h b/ap/libc/glibc/glibc-2.22/string/bits/string3.h
new file mode 100644
index 0000000..f482935
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/string/bits/string3.h
@@ -0,0 +1,157 @@
+/* Copyright (C) 2004-2015 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/>. */
+
+#ifndef _STRING_H
+# error "Never use <bits/string3.h> directly; include <string.h> instead."
+#endif
+
+#if !__GNUC_PREREQ (5,0)
+__warndecl (__warn_memset_zero_len,
+ "memset used with constant zero length parameter; this could be due to transposed parameters");
+#endif
+
+#ifndef __cplusplus
+/* XXX This is temporarily. We should not redefine any of the symbols
+ and instead integrate the error checking into the original
+ definitions. */
+# undef memcpy
+# undef memmove
+# undef memset
+# undef strcat
+# undef strcpy
+# undef strncat
+# undef strncpy
+# ifdef __USE_GNU
+# undef mempcpy
+# undef stpcpy
+# endif
+# ifdef __USE_MISC
+# undef bcopy
+# undef bzero
+# endif
+#endif
+
+
+__fortify_function void *
+__NTH (memcpy (void *__restrict __dest, const void *__restrict __src,
+ size_t __len))
+{
+ return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
+}
+
+__fortify_function void *
+__NTH (memmove (void *__dest, const void *__src, size_t __len))
+{
+ return __builtin___memmove_chk (__dest, __src, __len, __bos0 (__dest));
+}
+
+#ifdef __USE_GNU
+__fortify_function void *
+__NTH (mempcpy (void *__restrict __dest, const void *__restrict __src,
+ size_t __len))
+{
+ return __builtin___mempcpy_chk (__dest, __src, __len, __bos0 (__dest));
+}
+#endif
+
+
+/* The first two tests here help to catch a somewhat common problem
+ where the second and third parameter are transposed. This is
+ especially problematic if the intended fill value is zero. In this
+ case no work is done at all. We detect these problems by referring
+ non-existing functions. */
+__fortify_function void *
+__NTH (memset (void *__dest, int __ch, size_t __len))
+{
+ /* GCC-5.0 and newer implements these checks in the compiler, so we don't
+ need them here. */
+#if !__GNUC_PREREQ (5,0)
+ if (__builtin_constant_p (__len) && __len == 0
+ && (!__builtin_constant_p (__ch) || __ch != 0))
+ {
+ __warn_memset_zero_len ();
+ return __dest;
+ }
+#endif
+ return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
+}
+
+#ifdef __USE_MISC
+__fortify_function void
+__NTH (bcopy (const void *__src, void *__dest, size_t __len))
+{
+ (void) __builtin___memmove_chk (__dest, __src, __len, __bos0 (__dest));
+}
+
+__fortify_function void
+__NTH (bzero (void *__dest, size_t __len))
+{
+ (void) __builtin___memset_chk (__dest, '\0', __len, __bos0 (__dest));
+}
+#endif
+
+__fortify_function char *
+__NTH (strcpy (char *__restrict __dest, const char *__restrict __src))
+{
+ return __builtin___strcpy_chk (__dest, __src, __bos (__dest));
+}
+
+#ifdef __USE_GNU
+__fortify_function char *
+__NTH (stpcpy (char *__restrict __dest, const char *__restrict __src))
+{
+ return __builtin___stpcpy_chk (__dest, __src, __bos (__dest));
+}
+#endif
+
+
+__fortify_function char *
+__NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
+ size_t __len))
+{
+ return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
+}
+
+// XXX We have no corresponding builtin yet.
+extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
+ size_t __destlen) __THROW;
+extern char *__REDIRECT_NTH (__stpncpy_alias, (char *__dest, const char *__src,
+ size_t __n), stpncpy);
+
+__fortify_function char *
+__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+{
+ if (__bos (__dest) != (size_t) -1
+ && (!__builtin_constant_p (__n) || __n <= __bos (__dest)))
+ return __stpncpy_chk (__dest, __src, __n, __bos (__dest));
+ return __stpncpy_alias (__dest, __src, __n);
+}
+
+
+__fortify_function char *
+__NTH (strcat (char *__restrict __dest, const char *__restrict __src))
+{
+ return __builtin___strcat_chk (__dest, __src, __bos (__dest));
+}
+
+
+__fortify_function char *
+__NTH (strncat (char *__restrict __dest, const char *__restrict __src,
+ size_t __len))
+{
+ return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
+}