From: Michal Rokos <m.rokos@...>
Date: 2002-04-23T18:54:59+09:00
Subject: [Patch? (well question is more appropriate for this)] gc.c

Hello,

	question is if this patch is correct?

	Or by different formulation: How works the original version?
	(Expecially: VALUE stack_end; alloca(0) and the following LENGTH
	macros.)                   ^^^
	
	Thanks for lesson.

		Michal


Index: gc.c
===================================================================
RCS file: /src/ruby/gc.c,v
retrieving revision 1.89
diff -u -r1.89 gc.c
--- gc.c	2002/03/07 11:19:37	1.89
+++ gc.c	2002/04/23 09:24:02
@@ -370,13 +370,13 @@
 #endif
 
 #ifdef C_ALLOCA
-# define SET_STACK_END VALUE stack_end; alloca(0);
-# define STACK_END (&stack_end)
+# define SET_STACK_END VALUE *stack_end = alloca(0)
+# define STACK_END (stack_end)
 #else
 # if defined(__GNUC__) && defined(USE_BUILTIN_FRAME_ADDRESS)
-#  define  SET_STACK_END    VALUE *stack_end = __builtin_frame_address(0);
+#  define  SET_STACK_END    VALUE *stack_end = __builtin_frame_address(0)
 # else
-#  define  SET_STACK_END    VALUE *stack_end = alloca(1);
+#  define  SET_STACK_END    VALUE *stack_end = alloca(1)
 # endif
 # define STACK_END (stack_end)
 #endif


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Michal Rokos                         Czech Technical University, Prague
E-mail:m.rokos@sh.cvut.cz  ICQ:36118339  Jabber:majkl@jabber.sh.cvut.cz
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