1 files changed, 115 insertions, 0 deletions
diff --git a/win32/win32i64.c b/win32/win32i64.c
new file mode 100644
index 0000000..a07eb1a
--- /dev/null
+++ b/win32/win32i64.c
@@ -0,0 +1,115 @@
+/*
+  win32/win32i64.c - Zip 3
+
+  Copyright (c) 1990-2007 Info-ZIP.  All rights reserved.
+
+  See the accompanying file LICENSE, version 2005-Feb-10 or later
+  (the contents of which are also included in zip.h) for terms of use.
+  If, for some reason, all these files are missing, the Info-ZIP license
+  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
+*/
+
+#include "../zip.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+#include <time.h>
+#include <ctype.h>
+#include <windows.h>
+/* for LARGE_FILE_SUPPORT but may not be needed */
+#include <io.h>
+
+
+/* --------------------------------------------------- */
+/* Large File Support
+ *
+ * Initial functions by E. Gordon and R. Nausedat
+ * 9/10/2003
+ *
+ * These implement 64-bit file support for Windows.  The
+ * defines and headers are in win32/osdep.h.
+ *
+ * These moved from win32.c by Mike White to avoid conflicts
+ * in WiZ of same name functions in UnZip and Zip libraries.
+ * 9/25/04 EG
+ */
+
+#if defined(LARGE_FILE_SUPPORT) && !defined(__CYGWIN__)
+
+/* 64-bit buffered ftello
+ *
+ * Win32 does not provide a 64-bit buffered
+ * ftell (in the published api anyway) so below provides
+ * hopefully close version.
+ * We have not gotten _telli64 to work with buffered
+ * streams.  Below cheats by using fgetpos improperly and
+ * may not work on other ports.
+ */
+
+zoff_t zftello(stream)
+  FILE *stream;
+{
+  fpos_t fpos = 0;
+  
+  if (fgetpos(stream, &fpos) != 0) {
+    return -1L;
+  } else {
+    return fpos;
+  }
+}
+
+
+/* 64-bit buffered fseeko
+ *
+ * Win32 does not provide a 64-bit buffered
+ * fseeko so use _lseeki64 and fflush.  Note
+ * that SEEK_CUR can lose track of location
+ * if fflush is done between the last buffered
+ * io and this call.
+ */
+
+int zfseeko(stream, offset, origin)
+  FILE *stream;
+  zoff_t offset;
+  int origin;
+{
+  zoff_t location;
+
+  location = zftello(stream);
+  fflush(stream);
+  if (origin == SEEK_CUR) {
+    /* instead of synching up lseek easier just to figure and
+       use an absolute offset */
+    offset = location + offset;
+    location = _lseeki64(fileno(stream), offset, SEEK_SET);
+  } else {
+    location = _lseeki64(fileno(stream), offset, origin);
+  }
+  if (location == -1L) {
+    return -1L;
+  } else {
+    return 0;
+  }
+}
+#endif  /* Win32 LARGE_FILE_SUPPORT */
+
+#if 0
+FILE* zfopen(filename,mode)
+char *filename;
+char *mode;
+{
+FILE* fTemp;
+  
+  fTemp = fopen(filename,mode);
+  if( fTemp == NULL )
+    return NULL;
+  
+  /* sorry, could not make VC60 and its rtl work properly without setting the file buffer to NULL. the  */
+  /* problem seems to be _telli64 which seems to return the max stream position, comments are welcome   */
+  setbuf(fTemp,NULL);
+
+  return fTemp;
+}
+#endif
+/* --------------------------------------------------- */