Clean up remaining gethostbyname(_r) detritus

Includes some global state as well.

Author: NattyNarwhal

configure.ac

@@ -625,8 +625,6 @@ dnl Check for functions inside their belonging headers.
 AC_CHECK_HEADER([sys/prctl.h], [AC_CHECK_FUNCS([prctl])])
 AC_CHECK_HEADER([sys/procctl.h], [AC_CHECK_FUNCS([procctl])])
 
-AX_FUNC_WHICH_GETHOSTBYNAME_R
-
 dnl Some systems (Solaris 10) do not have nanosleep in libc.
 AC_CHECK_FUNCS([nanosleep],,
   [AC_SEARCH_LIBS([nanosleep], [rt], [AC_DEFINE([HAVE_NANOSLEEP], [1])])])

ext/standard/file.c

@@ -133,11 +133,6 @@ static void file_globals_ctor(php_file_globals *file_globals_p)
 
 static void file_globals_dtor(php_file_globals *file_globals_p)
 {
-#if defined(HAVE_GETHOSTBYNAME_R)
-	if (file_globals_p->tmp_host_buf) {
-		free(file_globals_p->tmp_host_buf);
-	}
-#endif
 }
 
 static PHP_INI_MH(OnUpdateAutoDetectLineEndings)

ext/standard/file.h

@@ -102,11 +102,6 @@ typedef struct {
 	HashTable *stream_filters;			/* per-request copy of stream_filters_hash */
 	HashTable *wrapper_errors;			/* key: wrapper address; value: linked list of char* */
 	int pclose_wait;
-#ifdef HAVE_GETHOSTBYNAME_R
-	struct hostent tmp_host_info;
-	char *tmp_host_buf;
-	size_t tmp_host_buf_len;
-#endif
 } php_file_globals;
 
 #ifdef ZTS

main/php_network.h

@@ -81,7 +81,7 @@ END_EXTERN_C()
 #include <sys/socket.h>
 #endif
 
-#ifdef HAVE_GETHOSTBYNAME_R
+#ifndef PHP_WIN32
 #include <netdb.h>
 #endif