Fix compile error on netbsd

Include config.h from sources under examples.  Added kevent.udata type
check.

configure.ac

@@ -59,6 +59,10 @@ AM_CONDITIONAL([HAVE_STDCXX_11],
 
 # Checks for libraries.
 
+# Search for dlsym function, which is used in tests. Linux needs -ldl,
+# but netbsd does not need it.
+AC_SEARCH_LIBS([dlsym], [dl])
+
 # zlib
 PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3])
 LIBS="$ZLIB_LIBS $LIBS"
@@ -163,6 +167,23 @@ AM_CONDITIONAL([HAVE_EPOLL], [ test "x${have_epoll}" = "xyes" ])
 AC_CHECK_FUNCS([kqueue], [have_kqueue=yes])
 AM_CONDITIONAL([HAVE_KQUEUE], [test "x${have_kqueue}" = "xyes"])
 
+AC_MSG_CHECKING([whether struct kevent.udata is intptr_t])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+]],
+[[
+struct kevent event;
+event.udata = (intptr_t*)(&event);
+]])],
+[kevent_udata_intptr_t=yes], [kevent_udata_intptr_t=no])
+AC_MSG_RESULT([$kevent_udata_intptr_t])
+if test "x$kevent_udata_intptr_t" = "xyes"; then
+  AC_DEFINE([KEVENT_UDATA_INTPTR_T], [1],
+            [Define to 1 if struct kevent.udata is intptr_t])
+fi
+
 if test "x$maintainer_mode" != "xno"; then
     CFLAGS="$CFLAGS -Wall -Wextra -Werror"
     CFLAGS="$CFLAGS -Wmissing-prototypes -Wstrict-prototypes"

examples/EventPoll.h

@@ -25,9 +25,7 @@
 #ifndef EVENT_POLL_H
 #define EVENT_POLL_H
 
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif // HAVE_CONFIG_H
+#include "spdylay_config.h"
 
 #ifdef HAVE_EPOLL
 #  include "EventPoll_epoll.h"

examples/EventPollEvent.h

@@ -25,6 +25,8 @@
 #ifndef EVENT_POLL_EVENT_H
 #define EVENT_POLL_EVENT_H
 
+#include "spdylay_config.h"
+
 namespace spdylay {
 
 enum EventPollEvent {

examples/EventPoll_epoll.h

@@ -25,6 +25,8 @@
 #ifndef EVENT_POLL_EPOLL_H
 #define EVENT_POLL_EPOLL_H
 
+#include "spdylay_config.h"
+
 #include <cstdlib>
 
 #include <sys/epoll.h>

examples/EventPoll_kqueue.cc

@@ -29,6 +29,12 @@
 #include <cerrno>
 #include <cassert>
 
+#ifdef KEVENT_UDATA_INTPTR_T
+# define PTR_TO_UDATA(X) (reinterpret_cast<intptr_t>(X))
+#else // !KEVENT_UDATA_INTPTR_T
+# define PTR_TO_UDATA(X) (X)
+#endif // !KEVENT_UDATA_INTPTR_T
+
 namespace spdylay {
 
 EventPoll::EventPoll(size_t max_events)
@@ -74,7 +80,7 @@ int EventPoll::get_num_events()
 
 void* EventPoll::get_user_data(size_t p)
 {
-  return evlist_[p].udata;
+  return reinterpret_cast<void*>(evlist_[p].udata);
 }
 
 int EventPoll::get_events(size_t p)
@@ -96,10 +102,10 @@ int update_event(int kq, int fd, int events, void *user_data)
   struct kevent changelist[2];
   EV_SET(&changelist[0], fd, EVFILT_READ,
          EV_ADD | ((events & EP_POLLIN) ? EV_ENABLE : EV_DISABLE),
-         0, 0, user_data);
+         0, 0, PTR_TO_UDATA(user_data));
   EV_SET(&changelist[1], fd, EVFILT_WRITE,
          EV_ADD | ((events & EP_POLLOUT) ? EV_ENABLE : EV_DISABLE),
-         0, 0, user_data);
+         0, 0, PTR_TO_UDATA(user_data));
   timespec ts = { 0, 0 };
   return kevent(kq, changelist, 2, changelist, 0, &ts);
 }

examples/EventPoll_kqueue.h

@@ -25,6 +25,8 @@
 #ifndef EVENT_POLL_KQUEUE_H
 #define EVENT_POLL_KQUEUE_H
 
+#include "spdylay_config.h"
+
 #include <cstdlib>
 
 #include <sys/types.h>

examples/HtmlParser.h

@@ -25,9 +25,7 @@
 #ifndef HTML_PARSER_H
 #define HTML_PARSER_H
 
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif // HAVE_CONFIG_H
+#include "spdylay_config.h"
 
 #include <vector>
 #include <string>

examples/Makefile.am

@@ -36,7 +36,7 @@ bin_PROGRAMS += shrpx
 endif # HAVE_LIBEVENT_OPENSSL
 
 HELPER_OBJECTS = uri.cc util.cc spdylay_ssl.cc
-HELPER_HFILES = uri.h util.h spdylay_ssl.h
+HELPER_HFILES = uri.h util.h spdylay_ssl.h spdylay_config.h
 
 EVENT_OBJECTS =
 EVENT_HFILES = EventPoll.h EventPollEvent.h

examples/SpdyServer.h

@@ -25,6 +25,8 @@
 #ifndef SPDY_SERVER_H
 #define SPDY_SERVER_H
 
+#include "spdylay_config.h"
+
 #include <stdint.h>
 #include <sys/types.h>
 

examples/shrpx_spdy_upstream.cc

@@ -569,9 +569,8 @@ int SpdyUpstream::rst_stream(Downstream *downstream, int status_code)
     LOG(FATAL) << "spdylay_submit_rst_stream() failed: "
                << spdylay_strerror(rv);
     DIE();
-  } else {
-    return 0;
   }
+  return 0;
 }
 
 int SpdyUpstream::window_update(Downstream *downstream)
@@ -584,9 +583,8 @@ int SpdyUpstream::window_update(Downstream *downstream)
     LOG(FATAL) << "spdylay_submit_window_update() failed: "
                << spdylay_strerror(rv);
     DIE();
-  } else {
-    return 0;
   }
+  return 0;
 }
 
 namespace {
@@ -645,9 +643,8 @@ int SpdyUpstream::error_reply(Downstream *downstream, int status_code)
     LOG(FATAL) << "spdylay_submit_response() failed: "
                << spdylay_strerror(rv);
     DIE();
-  } else {
-    return 0;
   }
+  return 0;
 }
 
 bufferevent_data_cb SpdyUpstream::get_downstream_readcb()

examples/spdy.h

@@ -22,6 +22,11 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
+#ifndef SPDY_H
+#define SPDY_H
+
+#include "spdylay_config.h"
+
 #include <signal.h>
 
 #include <vector>
@@ -232,3 +237,5 @@ int run(Server& server)
 } // namespace reactor
 
 } // namespace spdylay
+
+#endif // SPDY_H

examples/spdycat.cc

@@ -22,9 +22,7 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif // HAVE_CONFIG_H
+#include "spdylay_config.h"
 
 #include <sys/types.h>
 #include <sys/socket.h>

examples/spdylay_config.h

@@ -0,0 +1,32 @@
+/*
+ * Spdylay - SPDY Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef SPDYLAY_CONFIG_H
+#define SPDYLAY_CONFIG_H
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif // HAVE_CONFIG_H
+
+#endif // SPDYLAY_CONFIG_H

examples/spdylay_ssl.h

@@ -25,6 +25,8 @@
 #ifndef SPDYLAY_SSL_H
 #define SPDYLAY_SSL_H
 
+#include "spdylay_config.h"
+
 #include <stdint.h>
 #include <cstdlib>
 #include <sys/time.h>

examples/uri.h

@@ -25,6 +25,8 @@
 #ifndef URI_H
 #define URI_H
 
+#include "spdylay_config.h"
+
 #include <stdint.h>
 
 #include <string>

examples/util.h

@@ -25,6 +25,8 @@
 #ifndef UTIL_H
 #define UTIL_H
 
+#include "spdylay_config.h"
+
 #include <vector>
 #include <string>
 #include <algorithm>

lib/spdylay_session.c

@@ -349,7 +349,7 @@ int spdylay_session_add_frame(spdylay_session *session,
                               void *abs_frame,
                               void *aux_data)
 {
-  int r;
+  int r = 0;
   spdylay_outbound_item *item;
   item = malloc(sizeof(spdylay_outbound_item));
   if(item == NULL) {
@@ -929,7 +929,7 @@ int spdylay_session_prep_credential(spdylay_session *session,
 static ssize_t spdylay_session_prep_frame(spdylay_session *session,
                                           spdylay_outbound_item *item)
 {
-  ssize_t framebuflen;
+  ssize_t framebuflen = 0;
   if(item->frame_cat == SPDYLAY_CTRL) {
     spdylay_frame *frame;
     spdylay_frame_type frame_type;

tests/Makefile.am

@@ -46,7 +46,7 @@ main_LDFLAGS = -static @CUNIT_LIBS@
 failmalloc_SOURCES = failmalloc.c failmalloc_test.c failmalloc_test.h \
 	malloc_wrapper.c malloc_wrapper.h \
 	spdylay_test_helper.c spdylay_test_helper.h
-failmalloc_LDADD = $(main_LDADD) -ldl
+failmalloc_LDADD = $(main_LDADD)
 failmalloc_LDFLAGS = $(main_LDFLAGS)
 
 AM_CFLAGS = -Wall -I${top_srcdir}/lib -I${top_srcdir}/lib/includes -I${top_builddir}/lib/includes \