experimental support for base64 encoded binary data

matchstring.c

@@ -1,12 +1,14 @@
 #include "byte.h"
 #include "ldif.h"
+#include "bstr.h"
 
 /* behave like strcmp */
 int matchstring(struct string* s,const char* c) {
   unsigned int l,l1,i;
   if (!c) return -1;
-  l1=l=strlen(c);
+  l1=l=bstrlen(c);
   if (s->l<l1) l1=s->l;
+  c=bstrfirst(c);
   i=byte_diff(s->s,l1,c);
   if (i) return i;
   /* one is a prefix of the other */