2 files changed, 4 insertions, 0 deletions

diff --git a/lib/fields.cc b/lib/fields.cc
index d494098..91fbc41 100644
--- a/lib/fields.cc
+++ b/lib/fields.cc
@@ -1,53 +1,55 @@
 #include <opkele/types.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
+#include <algorithm>
 
 namespace opkele {
+    using std::for_each;
     using std::unary_function;
 
     struct __om_copier : public unary_function<const string&,void> {
         public:
             const basic_fields& from;
             basic_fields& to;
 
             __om_copier(basic_fields& t,const basic_fields& f)
                 : from(f), to(t) { }
 
             result_type operator()(argument_type f) {
                 to.set_field(f,from.get_field(f)); }
     };
 
     basic_fields::basic_fields(const basic_fields& x) {
         x.copy_to(*this);
     }
     void basic_fields::copy_to(basic_fields& x) const {
         x.reset_fields();
         for_each(fields_begin(),fields_end(),
                 __om_copier(x,*this) );
     }
     void basic_fields::append_to(basic_fields& x) const {
         for_each(fields_begin(),fields_end(),
                 __om_copier(x,*this) );
     }
 
     struct __om_query_builder : public unary_function<const string&,void> {
         public:
             const basic_fields& om;
             bool first;
             string& rv;
             const char *pfx;
 
             __om_query_builder(const char *p,string& r,const basic_fields& m)
                 : om(m), first(true), rv(r), pfx(p) {
                     for_each(om.fields_begin(),om.fields_end(),*this);
                 }
             __om_query_builder(const char *p,string& r,const basic_fields& m,const string& u)
                 : om(m), first(true), rv(r), pfx(p) {
                     rv = u;
                     if(rv.find('?')==string::npos)
                         rv += '?';
                     else
                         first = false;
                     for_each(om.fields_begin(),om.fields_end(),*this);
                 }
 
diff --git a/lib/message.cc b/lib/message.cc
index b2324b7..524946a 100644
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -1,49 +1,51 @@
 #include <cassert>
+#include <algorithm>
+
 #include <opkele/types.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
 #include <opkele/debug.h>
 
 #include "config.h"
 
 namespace opkele {
     using std::input_iterator_tag;
     using std::unary_function;
 
 
     struct __om_ns_finder : public unary_function<const string&,bool> {
         public:
             const basic_openid_message& om;
             const string& uri;
 
             __om_ns_finder(const basic_openid_message& m,
                     const string& u) : om(m), uri(u) { }
 
             result_type operator()(argument_type f) {
                 return
                     (!strncmp(f.c_str(),"ns.",sizeof("ns.")-1))
                         && om.get_field(f)==uri ;
             }
     };
 
     bool basic_openid_message::has_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         return !(i==ei);
     }
     string basic_openid_message::get_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         if(i==ei)
             throw failed_lookup(OPKELE_CP_ string("failed to find namespace ")+uri);
         return i->substr(3);
     }
 
     void basic_openid_message::from_keyvalues(const string& kv) {
         reset_fields();
         string::size_type p = 0;
         while(true) {
             string::size_type co = kv.find(':',p);
             if(co==string::npos)