From c5d306fadd5d7504484027e8f0c33fa2e0ee6191 Mon Sep 17 00:00:00 2001
From: Frank Warmerdam <warmerdam@pobox.com>
Date: Fri, 28 Jan 2000 21:46:30 +0000
Subject: [PATCH] added USE_64BIT_API option

---
 libtiff/tif_unix.c | 11 ++++++++++-
 libtiff/tiffconf.h |  8 +++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/libtiff/tif_unix.c b/libtiff/tif_unix.c
index f848369e..232b2355 100644
--- a/libtiff/tif_unix.c
+++ b/libtiff/tif_unix.c
@@ -1,4 +1,4 @@
-/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_unix.c,v 1.2 1999-09-24 03:05:12 warmerda Exp $ */
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_unix.c,v 1.3 2000-01-28 21:46:30 warmerda Exp $ */
 
 /*
  * Copyright (c) 1988-1997 Sam Leffler
@@ -47,7 +47,11 @@ _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
 static toff_t
 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
 {
+#if USE_64BIT_API == 1
+	return ((toff_t) lseek64((int) fd, (off64_t) off, whence));
+#else
 	return ((toff_t) lseek((int) fd, (off_t) off, whence));
+#endif
 }
 
 static int
@@ -64,10 +68,15 @@ _tiffSizeProc(thandle_t fd)
 #ifdef _AM29K
 	long fsize;
 	return ((fsize = lseek((int) fd, 0, SEEK_END)) < 0 ? 0 : fsize);
+#else
+#if USE_64BIT_API == 1
+	struct stat64 sb;
+	return (toff_t) (fstat64((int) fd, &sb) < 0 ? 0 : sb.st_size);
 #else
 	struct stat sb;
 	return (toff_t) (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
 #endif
+#endif
 }
 
 #ifdef HAVE_MMAP
diff --git a/libtiff/tiffconf.h b/libtiff/tiffconf.h
index 46a7f3b2..c33662c0 100644
--- a/libtiff/tiffconf.h
+++ b/libtiff/tiffconf.h
@@ -1,4 +1,4 @@
-/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/Attic/tiffconf.h,v 1.1 1999-07-27 21:50:27 mike Exp $ */
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/Attic/tiffconf.h,v 1.2 2000-01-28 21:46:30 warmerda Exp $ */
 /*
  * Copyright (c) 1988-1997 Sam Leffler
  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
@@ -51,6 +51,8 @@
  * HOST_BIGENDIAN	native cpu byte order: 1 if big-endian (Motorola)
  *			or 0 if little-endian (Intel); this may be used
  *			in codecs to optimize code
+ * USE_64BIT_API	set to 1 if tif_unix.c should use lseek64(),
+ *                      fstat64() and stat64 allowing 2-4GB files.
  */
 #ifndef HAVE_IEEEFP
 #define	HAVE_IEEEFP	1
@@ -62,6 +64,10 @@
 #define	HOST_BIGENDIAN	1
 #endif
 
+#ifndef USE_64BIT_API
+#  define USE_64BIT_API	0
+#endif
+
 #ifndef FEATURE_SUPPORT
 /*
  * Feature support definitions: