msvc dies with string literals larger than 64kb

use arrays instead of tseing literals

generates the literals, profile_load.c needs to be adjusted still

libvips/colour/profiles.h

@@ -3,8 +3,9 @@
  */
 typedef struct _VipsCodedProfile {
 	const char *name;
-	const char *data;
+	int length;
+	const unsigned char data[];
 } VipsCodedProfile;
 
-extern VipsCodedProfile vips__coded_profiles[];
+extern VipsCodedProfile *vips__coded_profiles[];
 

libvips/colour/wrap-profiles.sh

@@ -1,22 +1,38 @@
 #!/bin/bash
 
-# code up the binary files in $1 as a set of name / base64-encoded strings 
+# code up the binary files in $1 as a set of name / string pairs 
 # in $2
 
+# we have to use arrays for the strings, since MSVC won't allow string
+# literals larger than 64kb
+
 in=$1
 out=$2
 
-echo "/* coded files, generated automatically */" > $out
+echo "/* this file generated automatically, do not edit */" > $out
 echo "" >> $out
 echo "#include \"profiles.h\"" >> $out
 echo "" >> $out
-echo "VipsCodedProfile vips__coded_profiles[] = {" >> $out
+
+profile_names=
 for file in $in/*; do 
   root=${file%.icm}
   base=${root##*/} 
-  echo "    { \"$base\"," >> $out
-  base64 $file | sed 's/\(.*\)/"\1"/g' >> $out
-  echo "    }," >> $out
+  profile_name=vips__profile_$base
+  profile_names="$profile_names $profile_name"
+  echo "static VipsCodedProfile $profile_name = {" >> $out
+  echo "    \"$base\"," >> $out
+  echo "    $(stat --format=%s $file)," >> $out
+  echo "    {" >> $out
+  hexdump -v -e '" 0x" 1/1 "%02X,"' $file | fmt >> $out
+  echo "    }" >> $out
+  echo "};" >> $out
+  echo  >> $out
 done
-echo "    { 0, 0 }" >> $out
+
+echo "VipsCodedProfile *vips__coded_profiles[] = {" >> $out
+for profile_name in $profile_names; do
+  echo "    &$profile_name," >> $out
+done
+echo "    NULL" >> $out
 echo "};" >> $out