inicial

1 files changed, 116 insertions, 0 deletions

diff --git a/backend/dvi/mdvi-lib/sysdeps.h b/backend/dvi/mdvi-lib/sysdeps.h
new file mode 100644
index 00000000..c77d7651
--- /dev/null
+++ b/backend/dvi/mdvi-lib/sysdeps.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2000, Matias Atria
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#ifndef _SYSDEP_H
+#define _SYSDEP_H 1
+
+/* 
+ * The purpose of this file is to define symbols that describe the
+ * system-dependent features we use. Namely, byte order, native integer
+ * types of various sizes, and safe pointer<->integer conversion.
+ */
+
+#include "config.h"
+
+#ifdef WORDS_BIGENDIAN
+#define WORD_BIG_ENDIAN 1
+#else
+#define WORD_LITTLE_ENDIAN 1
+#endif
+
+typedef unsigned long	Ulong;
+typedef unsigned int	Uint;
+typedef unsigned short	Ushort;
+typedef unsigned char	Uchar;
+
+/* this one's easy */
+typedef unsigned char	Uint8;
+typedef char		Int8;
+
+/* define a datatype for 32bit integers (either int or long) */
+#if SIZEOF_LONG == 4
+typedef unsigned long	Uint32;
+typedef long		Int32;
+#else	/* SIZEOF_LONG != 4 */
+#if SIZEOF_INT == 4
+typedef unsigned int	Uint32;
+typedef int		Int32;
+#else	/* SIZEOF_INT != 4 */
+#ifdef __cplusplus
+#include "No.appropriate.32bit.native.type.found.Fix.sysdeps.h"
+#else
+#error No appropriate 32bit native type found. Fix sysdeps.h
+#endif	/* ! __cplusplus */
+#endif	/* SIZEOF_INT != 4 */
+#endif	/* SIZEOF_LONG != 4 */
+
+/* now 16bit integers (one of long, int or short) */
+#if SIZEOF_SHORT == 2
+typedef unsigned short	Uint16;
+typedef short		Int16;
+#else	/* SIZEOF_SHORT != 2 */
+#if SIZEOF_INT == 2
+typedef unsigned int	Uint16;
+typedef short		Int16;
+#else	/* SIZEOF_INT != 2 */
+#ifdef __cplusplus
+#include "No.appropriate.16bit.native.type.found.Fix.sysdeps.h"
+#else
+#error No appropriate 16bit native type found. Fix sysdeps.h
+#endif	/* ! __cplusplus */
+#endif	/* SIZEOF_INT != 2 */
+#endif	/* SIZEOF_SHORT != 2 */
+
+/* 
+ * An integer type to convert to and from pointers safely. All we do here is
+ * look for an integer type with the same size as a pointer.
+ */
+#if SIZEOF_LONG == SIZEOF_VOID_P
+typedef unsigned long	UINT;
+typedef long		INT;
+#else
+#if SIZEOF_INT == SIZEOF_VOID_P
+typedef unsigned int	UINT;
+typedef int		INT;
+#else
+#if SIZEOF_SHORT == SIZEOF_VOID_P
+typedef unsigned short	UINT;
+typedef short		INT;
+#else
+#ifdef __cplusplus
+#include "No.native.pointer-compatible.integer.type.found.Fix.sysdeps.h"
+#else
+#error No native pointer-compatible integer type found. Fix sysdeps.h
+#endif
+#endif
+#endif
+#endif
+
+/* nice, uh? */
+typedef void	*Pointer;
+
+/* macros to do the safe pointer <-> integer conversions */
+#define Ptr2Int(x)	((INT)((Pointer)(x)))
+#define Int2Ptr(x)	((Pointer)((INT)(x)))
+
+#ifdef _NO_PROTO
+#define __PROTO(x)	()
+#else
+#define __PROTO(x)	x
+#endif
+
+#endif	/* _SYSDEP_H */