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# Filename: package/.../tcp_wrappers/0025-tcp_wrappers-7.6-siglongjmp.patch
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diff -ruNp tcp_wrappers_7.6.orig/rfc931.c tcp_wrappers_7.6/rfc931.c
--- tcp_wrappers_7.6.orig/rfc931.c	2004-08-29 18:42:25.000000000 +0200
+++ tcp_wrappers_7.6/rfc931.c	2004-08-29 18:41:04.000000000 +0200
@@ -33,7 +33,7 @@ static char sccsid[] = "@(#) rfc931.c 1.
 
 int     rfc931_timeout = RFC931_TIMEOUT;/* Global so it can be changed */
 
-static jmp_buf timebuf;
+static sigjmp_buf timebuf;
 
 /* fsocket - open stdio stream on top of socket */
 
@@ -62,7 +62,7 @@ int     protocol;
 static void timeout(sig)
 int     sig;
 {
-    longjmp(timebuf, sig);
+    siglongjmp(timebuf, sig);
 }
 
 /* rfc931 - return remote user name, given socket structures */
@@ -135,7 +135,7 @@ char   *dest;
 	 * Set up a timer so we won't get stuck while waiting for the server.
 	 */
 
-	if (setjmp(timebuf) == 0) {
+	if (sigsetjmp(timebuf, 1) == 0) {
 	    /* Save SIGALRM timer and handler. Sudheer Abdul-Salam, SUN. */
 	    saved_timeout = alarm(0);
 	    nact.sa_handler = timeout;