4 files changed, 31 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 47040b9e6c..08674227fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Wed Jan 14 13:09:00 2009  Nobuyoshi Nakada  <[email protected]>
+
+	* ext/socket/extconf.rb (gai_strerror): checks if available and if
+	  returns const pointer.
+
+	* ext/socket/getaddrinfo.c (gai_strerror): defines only if non
+	  available.  [ruby-core:21328]
+
 Tue Jan 13 00:57:56 2009  Tanaka Akira  <[email protected]>
 
 	* ext/socket/socket.c (sock_s_unpack_sockaddr_in): check too short
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 3bc82a3a3a..93c395f9f8 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -261,6 +261,19 @@ unless getaddr_info_ok and have_func("getnameinfo", "netdb.h") and have_func("ge
   have_func("inet_ntop") or have_func("inet_ntoa")
   have_func("inet_pton") or have_func("inet_aton")
   have_func("getservbyport")
+  if have_func("gai_strerror")
+    unless checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)}
+#{cpp_include(headers)}
+#include <stdlib.h>
+void
+conftest_gai_strerror_is_const()
+{
+    *gai_strerror(0) = 0;
+}
+EOF
+      $defs << "-DGAI_STRERROR_CONST"
+    end
+  end
   have_header("arpa/nameser.h")
   have_header("resolv.h")
 end
diff --git a/ext/socket/getaddrinfo.c b/ext/socket/getaddrinfo.c
index 43034a3fd8..b5729a4dce 100644
--- a/ext/socket/getaddrinfo.c
+++ b/ext/socket/getaddrinfo.c
@@ -39,6 +39,9 @@
  */
 
 #include "config.h"
+#ifdef RUBY_EXTCONF_H
+#include RUBY_EXTCONF_H
+#endif
 #include <sys/types.h>
 #if !defined(_WIN32) && !defined(__VMS)
 #include <sys/param.h>
@@ -199,7 +202,8 @@ if (pai->ai_flags & AI_CANONNAME) {\
 
 #define ERR(err) { error = (err); goto bad; }
 
-#if defined __UCLIBC__
+#ifndef HAVE_GAI_STRERROR
+#ifdef GAI_STRERROR_CONST
 const
 #endif
 char *
@@ -210,6 +214,7 @@ gai_strerror(ecode)
 		ecode = EAI_MAX;
 	return (char *)ai_errlist[ecode];
 }
+#endif
 
 void
 freeaddrinfo(ai)
@@ -388,7 +393,7 @@ getaddrinfo(hostname, servname, hints, res)
 			port = htons((unsigned short)atoi(servname));
 		} else {
 			struct servent *sp;
-			char *proto;
+			const char *proto;
 
 			proto = NULL;
 			switch (pai->ai_socktype) {
diff --git a/version.h b/version.h
index 683d5f40e2..89de4d56a0 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2009-01-13"
+#define RUBY_RELEASE_DATE "2009-01-14"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20090113
+#define RUBY_RELEASE_CODE 20090114
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 13
+#define RUBY_RELEASE_DAY 14
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];