mscms: Constify some variables

[Andrew Talbot]

Changelog:
    mscms: Constify some variables.

diff -urN a/dlls/mscms/handle.c b/dlls/mscms/handle.c
--- a/dlls/mscms/handle.c	2006-06-19 09:36:47.000000000 +0100
+++ b/dlls/mscms/handle.c	2007-05-28 13:49:31.000000000 +0100
@@ -153,7 +153,7 @@
     return cmsprofile;
 }
 
-HPROFILE MSCMS_iccprofile2hprofile( icProfile *iccprofile )
+HPROFILE MSCMS_iccprofile2hprofile( const icProfile *iccprofile )
 {
     HPROFILE profile = NULL;
     DWORD_PTR i;
diff -urN a/dlls/mscms/icc.c b/dlls/mscms/icc.c
--- a/dlls/mscms/icc.c	2007-05-10 17:30:52.000000000 +0100
+++ b/dlls/mscms/icc.c	2007-05-28 13:49:46.000000000 +0100
@@ -40,7 +40,7 @@
 #endif
 }
 
-void MSCMS_get_profile_header( icProfile *iccprofile, PROFILEHEADER *header )
+void MSCMS_get_profile_header( const icProfile *iccprofile, PROFILEHEADER *header )
 {
     unsigned int i;
 
@@ -51,7 +51,7 @@
         MSCMS_adjust_endianess32( (ULONG *)header + i );
 }
 
-void MSCMS_set_profile_header( icProfile *iccprofile, PROFILEHEADER *header )
+void MSCMS_set_profile_header( icProfile *iccprofile, const PROFILEHEADER *header )
 {
     unsigned int i;
     icHeader *iccheader = (icHeader *)iccprofile;
@@ -63,7 +63,7 @@
         MSCMS_adjust_endianess32( (ULONG *)iccheader + i );
 }
 
-DWORD MSCMS_get_tag_count( icProfile *iccprofile )
+DWORD MSCMS_get_tag_count( const icProfile *iccprofile )
 {
     ULONG count = iccprofile->count;
 
@@ -84,19 +84,19 @@
     MSCMS_adjust_endianess32( (ULONG *)&tag->size );
 }
 
-void MSCMS_get_tag_data( icProfile *iccprofile, icTag *tag, DWORD offset, void *buffer )
+void MSCMS_get_tag_data( const icProfile *iccprofile, const icTag *tag, DWORD offset, void *buffer )
 {
-    memcpy( buffer, (char *)iccprofile + tag->offset + offset, tag->size - offset );
+    memcpy( buffer, (const char *)iccprofile + tag->offset + offset, tag->size - offset );
 }
 
-void MSCMS_set_tag_data( icProfile *iccprofile, icTag *tag, DWORD offset, void *buffer )
+void MSCMS_set_tag_data( icProfile *iccprofile, const icTag *tag, DWORD offset, const void *buffer )
 {
     memcpy( (char *)iccprofile + tag->offset + offset, buffer, tag->size - offset );
 }
 
-DWORD MSCMS_get_profile_size( icProfile *iccprofile )
+DWORD MSCMS_get_profile_size( const icProfile *iccprofile )
 {
-    DWORD size = ((icHeader *)iccprofile)->size;
+    DWORD size = ((const icHeader *)iccprofile)->size;
 
     MSCMS_adjust_endianess32( (ULONG *)&size );
     return size;
diff -urN a/dlls/mscms/mscms_priv.h b/dlls/mscms/mscms_priv.h
--- a/dlls/mscms/mscms_priv.h	2007-03-13 21:57:51.000000000 +0000
+++ b/dlls/mscms/mscms_priv.h	2007-05-28 13:50:05.000000000 +0100
@@ -69,7 +69,7 @@
 extern DWORD MSCMS_hprofile2access( HPROFILE );
 extern HPROFILE MSCMS_handle2hprofile( HANDLE file );
 extern HPROFILE MSCMS_cmsprofile2hprofile( cmsHPROFILE cmsprofile );
-extern HPROFILE MSCMS_iccprofile2hprofile( icProfile *iccprofile );
+extern HPROFILE MSCMS_iccprofile2hprofile( const icProfile *iccprofile );
 extern HANDLE MSCMS_hprofile2handle( HPROFILE profile );
 extern cmsHPROFILE MSCMS_hprofile2cmsprofile( HPROFILE profile );
 extern icProfile *MSCMS_hprofile2iccprofile( HPROFILE profile );
@@ -82,12 +82,12 @@
 extern HTRANSFORM MSCMS_create_htransform_handle( cmsHTRANSFORM cmstransform );
 extern void MSCMS_destroy_htransform_handle( HTRANSFORM transform );
 
-extern DWORD MSCMS_get_tag_count( icProfile *iccprofile );
+extern DWORD MSCMS_get_tag_count( const icProfile *iccprofile );
 extern void MSCMS_get_tag_by_index( icProfile *iccprofile, DWORD index, icTag *tag );
-extern void MSCMS_get_tag_data( icProfile *iccprofile, icTag *tag, DWORD offset, void *buffer );
-extern void MSCMS_set_tag_data( icProfile *iccprofile, icTag *tag, DWORD offset, void *buffer );
-extern void MSCMS_get_profile_header( icProfile *iccprofile, PROFILEHEADER *header );
-extern void MSCMS_set_profile_header( icProfile *iccprofile, PROFILEHEADER *header );
-extern DWORD MSCMS_get_profile_size( icProfile *iccprofile );
+extern void MSCMS_get_tag_data( const icProfile *iccprofile, const icTag *tag, DWORD offset, void *buffer );
+extern void MSCMS_set_tag_data( icProfile *iccprofile, const icTag *tag, DWORD offset, const void *buffer );
+extern void MSCMS_get_profile_header( const icProfile *iccprofile, PROFILEHEADER *header );
+extern void MSCMS_set_profile_header( icProfile *iccprofile, const PROFILEHEADER *header );
+extern DWORD MSCMS_get_profile_size( const icProfile *iccprofile );
 
 #endif /* HAVE_LCMS */
diff -urN a/dlls/mscms/profile.c b/dlls/mscms/profile.c
--- a/dlls/mscms/profile.c	2006-11-09 19:59:47.000000000 +0000
+++ b/dlls/mscms/profile.c	2007-05-28 13:49:55.000000000 +0100
@@ -471,7 +471,7 @@
     return TRUE;
 }
 
-static BOOL MSCMS_header_from_file( LPWSTR file, PPROFILEHEADER header )
+static BOOL MSCMS_header_from_file( LPCWSTR file, PPROFILEHEADER header )
 {
     BOOL ret;
     PROFILE profile;