From: Markus Scherer <markus.icu@gmail.com>
Date: Wed, 27 Jul 2011 23:37:05 +0000 (+0000)
Subject: ICU-8452 do not use ptrdiff_t (signed) as a fallback for uintptr_t (unsigned)
X-Git-Tag: milestone-59-0-1~4612
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a84cf4df0ffb30b5773e8f89684cd2e656d0c790;p=icu

ICU-8452 do not use ptrdiff_t (signed) as a fallback for uintptr_t (unsigned)

X-SVN-Rev: 30438
---

diff --git a/icu4c/source/common/putilimp.h b/icu4c/source/common/putilimp.h
index 84b605ec11c..4d92acd35a2 100644
--- a/icu4c/source/common/putilimp.h
+++ b/icu4c/source/common/putilimp.h
@@ -31,9 +31,11 @@
  * "On XSI-conformant systems, the intptr_t and uintptr_t types are required;
  * otherwise, they are optional."
  * We assume that when uintptr_t is defined, UINTPTR_MAX is defined as well.
+ *
+ * Do not use ptrdiff_t since it is signed. size_t is unsigned.
  */
 #if !defined(__intptr_t_defined) && !defined(UINTPTR_MAX)
-typedef ptrdiff_t uintptr_t;
+typedef size_t uintptr_t;
 #endif
 
 /**