diff --git a/CHANGELOG b/CHANGELOG
index 0d35281..b607ed6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -5,7 +5,9 @@
 -- stuff in the stable-1.0 branch, backported from 2.0.0 dev branch, etc ---
 
 03162005 - Readded Spanish translation. Added Brazillian Portguese translation
-           and fixed unlocalized string in wad.c (thanks Danny!).
+           and fixed unlocalized string in wad.c (thanks Danny!). Some MacOS
+           Classic fixes and MPW support (thanks, Chris!). Changed CWProjects
+           from SITX to SIT format, so MacOS Classic users can unpack it.
 02152005 - Minor comment fix in platform/pocketpc.c
 01052004 - Fixed HOG archiver sorting/file lookup (thanks, Chris!)
 12162004 - Fixed some documentation/header comment typos (thanks, Gaetan!)
diff --git a/CWProjects.sit b/CWProjects.sit
new file mode 100755
index 0000000..a7e29a0
Binary files /dev/null and b/CWProjects.sit differ
diff --git a/CWProjects.sitx b/CWProjects.sitx
deleted file mode 100644
index ff7545c..0000000
Binary files a/CWProjects.sitx and /dev/null differ
diff --git a/physfs_byteorder.c b/physfs_byteorder.c
index 9e0a17b..eab52b6 100644
--- a/physfs_byteorder.c
+++ b/physfs_byteorder.c
@@ -47,6 +47,10 @@
 #endif
 #endif /* linux */
 
+#if (defined macintosh) && !(defined __MWERKS__)
+#define __inline__
+#endif
+
 #if (defined _MSC_VER)
 #define __inline__ __inline
 #endif
diff --git a/platform/macclassic.c b/platform/macclassic.c
index c5ad92c..1235fb3 100644
--- a/platform/macclassic.c
+++ b/platform/macclassic.c
@@ -14,7 +14,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-#include <alloca.h>
 
 /*
  * Most of the API calls in here are, according to ADC, available since
@@ -138,7 +137,7 @@ static OSErr oserr(OSErr retval)
     const char *errstr = get_macos_error_string(retval);
     if (strcmp(errstr, ERR_MACOS_GENERIC) == 0)
     {
-        snprintf(buf, sizeof (buf), ERR_MACOS_GENERIC, (int) retval);
+        sprintf(buf, ERR_MACOS_GENERIC, (int) retval);
         errstr = buf;
     } /* if */
 
@@ -768,16 +767,10 @@ PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buffer,
                                     PHYSFS_uint32 size, PHYSFS_uint32 count)
 {
     SInt16 ref = *((SInt16 *) opaque);
-    SInt32 br;
-    PHYSFS_uint32 i;
+    SInt32 br = size*count;
 
-    for (i = 0; i < count; i++)
-    {
-        br = size;
-        BAIL_IF_MACRO(oserr(FSRead(ref, &br, buffer)) != noErr, NULL, i);
-        BAIL_IF_MACRO(br != size, NULL, i);  /* !!! FIXME: seek back if only read part of an object! */
-        buffer = ((PHYSFS_uint8 *) buffer) + size;
-    } /* for */
+	BAIL_IF_MACRO(oserr(FSRead(ref, &br, buffer)) != noErr, NULL, br/size);
+	BAIL_IF_MACRO(br != size*count, NULL, br/size);  /* !!! FIXME: seek back if only read part of an object! */
 
     return(count);
 } /* __PHYSFS_platformRead */
@@ -787,16 +780,10 @@ PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
                                      PHYSFS_uint32 size, PHYSFS_uint32 count)
 {
     SInt16 ref = *((SInt16 *) opaque);
-    SInt32 bw;
-    PHYSFS_uint32 i;
+    SInt32 bw = size*count;
 
-    for (i = 0; i < count; i++)
-    {
-        bw = size;
-        BAIL_IF_MACRO(oserr(FSWrite(ref, &bw, buffer)) != noErr, NULL, i);
-        BAIL_IF_MACRO(bw != size, NULL, i); /* !!! FIXME: seek back if only wrote part of an object! */
-        buffer = ((PHYSFS_uint8 *) buffer) + size;
-    } /* for */
+	BAIL_IF_MACRO(oserr(FSWrite(ref, &bw, buffer)) != noErr, NULL, bw/size);
+	BAIL_IF_MACRO(bw != size*count, NULL, bw/size); /* !!! FIXME: seek back if only wrote part of an object! */
 
     return(count);
 } /* __PHYSFS_platformWrite */
diff --git a/zlib121/zconf.h b/zlib121/zconf.h
index 6846b79..c9f27ae 100644
--- a/zlib121/zconf.h
+++ b/zlib121/zconf.h
@@ -3,7 +3,7 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
-/* @(#) $Id: zconf.h,v 1.2 2003/12/22 18:19:09 bhook Exp $ */
+/* @(#) $Id$ */
 
 #ifndef ZCONF_H
 #define ZCONF_H
@@ -127,6 +127,9 @@
 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
 #  define STDC
 #endif
+#if !defined(STDC) && defined(macintosh)
+#  define STDC
+#endif
 
 #if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */
 #  define STDC
@@ -139,7 +142,7 @@
 #endif
 
 /* Some Mac compilers merge all .h files incorrectly: */
-#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
+#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)||defined(__MRC__)
 #  define NO_DUMMY_DECL
 #endif