From: H.J. Lu <hjl.tools@gmail.com>
Date: Fri, 21 May 2021 22:58:36 +0000 (-0700)
Subject: Add cast_to_pointer to cast an integer to void * pointer
X-Git-Tag: glibc-2.34~366
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94bc766ec627b2c44a6c72bc40013957ffc4b6cd;p=thirdparty%2Fglibc.git

Add cast_to_pointer to cast an integer to void * pointer
---

diff --git a/include/libc-pointer-arith.h b/include/libc-pointer-arith.h
index 72e722c5aae..04ba5376177 100644
--- a/include/libc-pointer-arith.h
+++ b/include/libc-pointer-arith.h
@@ -37,6 +37,9 @@
 /* Cast an integer or a pointer VAL to integer with proper type.  */
 # define cast_to_integer(val) ((__integer_if_pointer_type (val)) (val))
 
+/* Cast an integer VAL to void * pointer.  */
+# define cast_to_pointer(val) ((void *) (uintptr_t) (val))
+
 /* Align a value by rounding down to closest size.
    e.g. Using size of 4096, we get this behavior:
 	{4095, 4096, 4097} = {0, 4096, 4096}.  */