--- libXpm-3.5.9/src/CrBufFrI.c.orig	2010-10-30 00:29:24.000000000 -0500
+++ libXpm-3.5.9/src/CrBufFrI.c	2012-02-22 13:20:17.674397200 -0600
@@ -39,6 +39,10 @@
 #endif
 #include "XpmI.h"
 
+#ifdef FOR_MSW
+#define snprintf _snprintf
+#endif
+
 LFUNC(WriteColors, int, (char **dataptr, unsigned int *data_size,
 			 unsigned int *used_size, XpmColor *colors,
 			 unsigned int ncolors, unsigned int cpp));
--- libXpm-3.5.9/src/CrDatFrI.c.orig	2010-10-30 00:29:24.000000000 -0500
+++ libXpm-3.5.9/src/CrDatFrI.c	2012-02-22 13:20:17.678397500 -0600
@@ -39,6 +39,10 @@
 #endif
 #include "XpmI.h"
 
+#ifdef FOR_MSW
+#define snprintf _snprintf
+#endif
+
 LFUNC(CreateColors, int, (char **dataptr, unsigned int *data_size,
 			  XpmColor *colors, unsigned int ncolors,
 			  unsigned int cpp));
--- libXpm-3.5.9/src/WrFFrI.c.orig	2010-10-30 00:29:24.000000000 -0500
+++ libXpm-3.5.9/src/WrFFrI.c	2012-02-22 13:20:17.683397800 -0600
@@ -50,6 +50,13 @@
 #include "errno.h"
 #endif
 
+#ifdef FOR_MSW
+#include "fcntl.h"
+#define O_WRONLY _O_WRONLY
+#define O_CREAT  _O_CREAT
+#define O_TRUNC  _O_TRUNC
+#endif
+
 /* MS Windows define a function called WriteFile @#%#&!!! */
 LFUNC(xpmWriteFile, int, (FILE *file, XpmImage *image, char *name,
 			  XpmInfo *info));
--- libXpm-3.5.9/src/XpmI.h.orig	2010-10-30 00:29:24.000000000 -0500
+++ libXpm-3.5.9/src/XpmI.h	2012-02-22 13:20:17.687398000 -0600
@@ -215,8 +215,13 @@
 FUNC(xpmHashSlot, xpmHashAtom *, (xpmHashTable *table, char *s));
 FUNC(xpmHashIntern, int, (xpmHashTable *table, char *tag, void *data));
 
+#if defined(_MSC_VER) && defined(_M_X64)
+#define HashAtomData(i) ((void *)(long long)i)
+#define HashColorIndex(slot) ((unsigned long long)((*slot)->data))
+#else
 #define HashAtomData(i) ((void *)(long)i)
 #define HashColorIndex(slot) ((unsigned long)((*slot)->data))
+#endif
 #define USE_HASHTABLE (cpp > 2 && ncolors > 4)
 
 /* I/O utility */