--- glibc-2.2.4/resolv/res_init.c.old	Sat Aug 25 17:09:38 2001
+++ glibc-2.2.4/resolv/res_init.c	Sat Aug 25 17:18:44 2001
@@ -156,6 +156,9 @@
 #ifndef RFC1535
 	int dots;
 #endif
+#ifndef DISALLOW_ENV_PATH_RESCONF
+	char *path_resconf;
+#endif
 
 	if (!preinit) {
 		statp->retrans = RES_TIMEOUT;
@@ -226,7 +229,17 @@
 	(line[sizeof(name) - 1] == ' ' || \
 	 line[sizeof(name) - 1] == '\t'))
 
-	if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
+	fp = NULL;
+
+#ifndef DISALLOW_ENV_PATH_RESCONF
+	if ((path_resconf = getenv("PATH_RESCONF")) != NULL)
+		fp = fopen(path_resconf, "r");
+#endif
+
+	if (fp == NULL)
+		fp = fopen(_PATH_RESCONF, "r");
+
+	if (fp != NULL) {
 		/* No threads use this stream.  */
 		__fsetlocking (fp, FSETLOCKING_BYCALLER);
 	    /* read the config file */