X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Futils.c;h=3ac1b60926d20014808dcaf708d59f6adb33ee1a;hb=1cadc16803b43f7841f5e67aaa7bc12a7b59fdd9;hp=6cf80fe3d229a2fab28ec00dd4b9149e0e11279f;hpb=356d8d558d844412119aa18c8e5a113bc6459c7b;p=ppp.git

diff --git a/pppd/utils.c b/pppd/utils.c
index 6cf80fe..3ac1b60 100644
--- a/pppd/utils.c
+++ b/pppd/utils.c
@@ -296,6 +296,8 @@ vslprintf(buf, buflen, fmt, args)
 	case 'q':		/* quoted string */
 	    quoted = c == 'q';
 	    p = va_arg(args, unsigned char *);
+	    if (p == NULL)
+		    p = (unsigned char *)"<NULL>";
 	    if (fillch == '0' && prec >= 0) {
 		n = prec;
 	    } else {
@@ -623,7 +625,7 @@ print_string(p, len, printer, arg)
 		printer(arg, "\\t");
 		break;
 	    default:
-		printer(arg, "\\%.3o", c);
+		printer(arg, "\\%.3o", (unsigned char) c);
 	    }
 	}
     }