From: Andi Gutmans <andi@php.net>
Date: Sat, 29 Jan 2000 09:14:22 +0000 (+0000)
Subject: - This will save some memory w/ GCC compilers on some platforms
X-Git-Tag: BEFORE_SAPIFICATION_FEB_10_2000~159
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b862a8b728f0be304cb1589cb6c8e4d2fc3f02df;p=php

- This will save some memory w/ GCC compilers on some platforms
---

diff --git a/Zend/zend_alloc.h b/Zend/zend_alloc.h
index e1674612c4..99c3db12c0 100644
--- a/Zend/zend_alloc.h
+++ b/Zend/zend_alloc.h
@@ -54,8 +54,12 @@ typedef union _align_test {
 
 #define MAX_CACHED_MEMORY   64
 #define MAX_CACHED_ENTRIES	16
-
+#if (defined (__GNUC__) && __GNUC__ >= 2)
+#define PLATFORM_ALIGNMENT (__alignof__ (zend_mem_header))
+#else
 #define PLATFORM_ALIGNMENT (sizeof(align_test))
+#endif
+
 #define PLATFORM_PADDING (((PLATFORM_ALIGNMENT-sizeof(zend_mem_header))%PLATFORM_ALIGNMENT+PLATFORM_ALIGNMENT)%PLATFORM_ALIGNMENT)
 
 ZEND_API char *zend_strndup(const char *s, unsigned int length);