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authorHenry Stiles <henry.stiles@artifex.com>1998-07-26 07:36:41 +0000
committerHenry Stiles <henry.stiles@artifex.com>1998-07-26 07:36:41 +0000
commiteec0ef527f18c5978c4476c9490f4de4c4249628 (patch)
tree5588d5e1300a245186594893c930949a19bcbbce /gs/src/gsmdebug.h
parentd4bdba93ef34f68d27148e1b31088d1d3e786e8c (diff)
Initial revision
git-svn-id: http://svn.ghostscript.com/ghostpcl/trunk/ghostpcl@246 06663e23-700e-0410-b217-a244a6096597
Diffstat (limited to 'gs/src/gsmdebug.h')
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diff --git a/gs/src/gsmdebug.h b/gs/src/gsmdebug.h
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+/* Copyright (C) 1995, 1996 Aladdin Enterprises. All rights reserved.
+
+ This file is part of Aladdin Ghostscript.
+
+ Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
+ or distributor accepts any responsibility for the consequences of using it,
+ or for whether it serves any particular purpose or works at all, unless he
+ or she says so in writing. Refer to the Aladdin Ghostscript Free Public
+ License (the "License") for full details.
+
+ Every copy of Aladdin Ghostscript must include a copy of the License,
+ normally in a plain ASCII text file named PUBLIC. The License grants you
+ the right to copy, modify and redistribute Aladdin Ghostscript, but only
+ under certain conditions described in the License. Among other things, the
+ License requires that the copyright notice and this notice be preserved on
+ all copies.
+*/
+
+/* gsmdebug.h */
+/* Debugging definitions for memory manager */
+/* Requires gdebug.h (for gs_debug) */
+
+/* Define the fill patterns used for debugging the allocator. */
+extern byte
+ gs_alloc_fill_alloc, /* allocated but not initialized */
+ gs_alloc_fill_block, /* locally allocated block */
+ gs_alloc_fill_collected, /* garbage collected */
+ gs_alloc_fill_deleted, /* locally deleted block */
+ gs_alloc_fill_free; /* freed */
+
+/* Define an alias for a specialized debugging flag */
+/* that used to be a separate variable. */
+#define gs_alloc_debug gs_debug['@']
+
+/* Conditionally fill unoccupied blocks with a pattern. */
+extern void gs_alloc_memset(P3(void *, int/*byte*/, ulong));
+#ifdef DEBUG
+/* The following peculiar syntax avoids incorrect capture of an 'else'. */
+# define gs_alloc_fill(ptr, fill, len)\
+ do { if ( gs_alloc_debug ) gs_alloc_memset(ptr, fill, (ulong)(len));\
+ } while ( 0 )
+#else
+# define gs_alloc_fill(ptr, fill, len)\
+ DO_NOTHING
+#endif