From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Thu, 20 Oct 2016 08:33:51 +0000 (+0300)
Subject: defs: add widen_to_ulong macro
X-Git-Tag: v4.15~204
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=714d68127ac10a36ab7758f0812e47e2f2c06ccf;p=strace

defs: add widen_to_ulong macro

This is similar to widen_to_long, but for unsigned values.

* defs.h (widen_to_ulong): New macro.
---

diff --git a/defs.h b/defs.h
index 63e5e93c..7dc9ccef 100644
--- a/defs.h
+++ b/defs.h
@@ -759,6 +759,14 @@ extern unsigned current_wordsize;
 # define widen_to_long(v) ((long)(v))
 #endif
 
+#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
+# define widen_to_ulong(v) \
+	(current_wordsize == 4 ? (unsigned long) (uint32_t) (v) : \
+		(unsigned long) (v))
+#else
+# define widen_to_ulong(v) ((unsigned long)(v))
+#endif
+
 /*
  * Zero-extend a signed integer type to unsigned long long.
  */