Index: cups-1.4.6/cups/string.h
===================================================================
--- cups-1.4.6.orig/cups/string.h
+++ cups-1.4.6/cups/string.h
@@ -127,11 +127,40 @@ _cups_isupper(int ch)			/* I - Character
 {
   return (ch >= 'A' && ch <= 'Z');
 }
+
+_CUPS_INLINE int
+_cups_tolower(int ch)
+{
+  return (_cups_isupper(ch) ? ch - 'A' + 'a' : ch);
+}
+
+_CUPS_INLINE int
+_cups_strcasecmp(const char *s1,
+		 const char *s2)
+{
+  int c1, c2;
+
+  if (s1 == NULL || s2 == NULL)
+      return 0;
+
+  while (*s1 && *s2)
+    {
+      c1 = _cups_tolower(*s1);
+      c2 = _cups_tolower(*s2);
+      if (c1 != c2)
+        return (c1 - c2);
+      s1++; s2++;
+    }
+
+  return ((int) *s1) - ((int) *s2);
+}
 #  else
 extern int _cups_isalnum(int ch);
 extern int _cups_isalpha(int ch);
 extern int _cups_isspace(int ch);
 extern int _cups_isupper(int ch);
+extern int _cups_tolower(int ch);
+extern int _cups_strcasecmp(int ch);
 #  endif /* _CUPS_INLINE */
 
 
Index: cups-1.4.6/cgi-bin/var.c
===================================================================
--- cups-1.4.6.orig/cgi-bin/var.c
+++ cups-1.4.6/cgi-bin/var.c
@@ -608,7 +608,7 @@ cgi_compare_variables(
     const _cgi_var_t *v1,		/* I - First variable */
     const _cgi_var_t *v2)		/* I - Second variable */
 {
-  return (strcasecmp(v1->name, v2->name));
+  return (_cups_strcasecmp(v1->name, v2->name));
 }