[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/include/alloca.h b/ap/build/uClibc/include/alloca.h
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+/* Copyright (C) 1992, 1996, 1997, 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 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _ALLOCA_H
+#define _ALLOCA_H 1
+
+#include <features.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+__BEGIN_DECLS
+
+/* Remove any previous definitions. */
+#undef alloca
+
+/* Allocate a block that will be freed when the calling function exits. */
+extern void *alloca (size_t __size) __THROW;
+
+#ifdef __GNUC__
+# define alloca(size) __builtin_alloca (size)
+#endif /* GCC. */
+
+#ifdef _LIBC
+# define __MAX_ALLOCA_CUTOFF 65536
+
+# include <bits/stackinfo.h>
+# ifdef _STACK_GROWS_DOWN
+# define extend_alloca(buf, len, newlen) \
+ (__typeof (buf)) ({ size_t __newlen = (newlen); \
+ char *__newbuf = alloca (__newlen); \
+ if (__newbuf + __newlen == (char *) buf) \
+ len += __newlen; \
+ else \
+ len = __newlen; \
+ __newbuf; })
+# elif defined _STACK_GROWS_UP
+# define extend_alloca(buf, len, newlen) \
+ (__typeof (buf)) ({ size_t __newlen = (newlen); \
+ char *__newbuf = alloca (__newlen); \
+ char *__buf = (buf); \
+ if (__buf + __newlen == __newbuf) \
+ { \
+ len += __newlen; \
+ __newbuf = __buf; \
+ } \
+ else \
+ len = __newlen; \
+ __newbuf; })
+# else
+# error unknown stack
+# define extend_alloca(buf, len, newlen) \
+ alloca (((len) = (newlen)))
+# endif
+
+extern int __libc_alloca_cutoff (size_t size);
+#endif
+
+__END_DECLS
+
+#endif /* alloca.h */