From d88fe953ae572e78356421bdd705126eef8a865a Mon Sep 17 00:00:00 2001
From: Jouni Ahto <jah@php.net>
Date: Sat, 29 Jul 2000 04:24:11 +0000
Subject: [PATCH] This should fix #5826.

---
 ext/pgsql/config.m4   | 3 ++-
 ext/pgsql/pgsql.c     | 6 ++++++
 ext/pgsql/php_pgsql.h | 2 ++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/ext/pgsql/config.m4 b/ext/pgsql/config.m4
index 895cfa6e96..dfe1cea051 100644
--- a/ext/pgsql/config.m4
+++ b/ext/pgsql/config.m4
@@ -30,7 +30,8 @@ if test "$PHP_PGSQL" != "no"; then
   LDFLAGS="$LDFLAGS -L$PGSQL_LIBDIR"
   AC_CHECK_LIB(pq, PQcmdTuples,AC_DEFINE(HAVE_PQCMDTUPLES,1,[ ]))
   AC_CHECK_LIB(pq, PQoidValue,AC_DEFINE(HAVE_PQOIDVALUE,1,[ ]))
-  AC_CHECK_LIB(pq, pg_encoding_to_char,AC_DEFINE(HAVE_PQCLIENTENCODING,1,[ ]))
+  AC_CHECK_LIB(pq, PQclientEncoding,AC_DEFINE(HAVE_PQCLIENTENCODING,1,[ ]))
+  AC_CHECK_LIB(pq, pg_encoding_to_char,AC_DEFINE(HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT,1,[ ]))
   LIBS="$old_LIBS"
   LDFLAGS="$old_LDFLAGS"
   
diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index c234715707..fa009ec469 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -1665,6 +1665,12 @@ PHP_FUNCTION(pg_clientencoding)
 
 	ZEND_FETCH_RESOURCE2(pgsql, PGconn *, pgsql_link, id, "PostgreSQL link", le_link, le_plink);
 
+	/* Just do the same as found in PostgreSQL sources... */
+
+#ifndef HAVE_PGSQL_WITH_MULTIBYTE_SUPPORT
+#define pg_encoding_to_char(x) "SQL_ASCII"
+#endif
+
 	return_value->value.str.val 
 		= (char *) pg_encoding_to_char(PQclientEncoding(pgsql));
 	return_value->value.str.len = strlen(return_value->value.str.val);
diff --git a/ext/pgsql/php_pgsql.h b/ext/pgsql/php_pgsql.h
index 0cd96cac19..9101128dc8 100644
--- a/ext/pgsql/php_pgsql.h
+++ b/ext/pgsql/php_pgsql.h
@@ -85,8 +85,10 @@ PHP_FUNCTION(pg_lowrite);
 PHP_FUNCTION(pg_loreadall);
 PHP_FUNCTION(pg_loimport);
 PHP_FUNCTION(pg_loexport);
+#if HAVE_PQCLIENTENCODING
 PHP_FUNCTION(pg_clientencoding);
 PHP_FUNCTION(pg_setclientencoding);
+#endif
 
 void php_pgsql_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent);
 int php_pgsql_get_default_link(INTERNAL_FUNCTION_PARAMETERS);
-- 
2.50.1