X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Futils.c;h=3ac1b60926d20014808dcaf708d59f6adb33ee1a;hb=1cadc16803b43f7841f5e67aaa7bc12a7b59fdd9;hp=062b17e4a8db64cc11e42c43ffe184219f313f51;hpb=18d1bf125b75c5211aefd678c36d622fef28f59f;p=ppp.git

diff --git a/pppd/utils.c b/pppd/utils.c
index 062b17e..3ac1b60 100644
--- a/pppd/utils.c
+++ b/pppd/utils.c
@@ -68,8 +68,7 @@ extern char *strerror();
 static void logit __P((int, char *, va_list));
 static void log_write __P((int, char *));
 static void vslp_printer __P((void *, char *, ...));
-static void format_packet __P((u_char *, int, void (*) (void *, char *, ...),
-			       void *));
+static void format_packet __P((u_char *, int, printer_func, void *));
 
 struct buffer_info {
     char *ptr;
@@ -287,19 +286,6 @@ vslprintf(buf, buflen, fmt, args)
 		     (ip >> 16) & 0xff, (ip >> 8) & 0xff, ip & 0xff);
 	    str = num;
 	    break;
-#if 0	/* not used, and breaks on S/390, apparently */
-	case 'r':
-	    f = va_arg(args, char *);
-#ifndef __powerpc__
-	    n = vslprintf(buf, buflen + 1, f, va_arg(args, va_list));
-#else
-	    /* On the powerpc, a va_list is an array of 1 structure */
-	    n = vslprintf(buf, buflen + 1, f, va_arg(args, void *));
-#endif
-	    buf += n;
-	    buflen -= n;
-	    continue;
-#endif
 	case 't':
 	    time(&t);
 	    str = ctime(&t);
@@ -310,6 +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 {
@@ -475,7 +463,7 @@ static void
 format_packet(p, len, printer, arg)
     u_char *p;
     int len;
-    void (*printer) __P((void *, char *, ...));
+    printer_func printer;
     void *arg;
 {
     int i, n;
@@ -613,7 +601,7 @@ void
 print_string(p, len, printer, arg)
     char *p;
     int len;
-    void (*printer) __P((void *, char *, ...));
+    printer_func printer;
     void *arg;
 {
     int c;
@@ -637,7 +625,7 @@ print_string(p, len, printer, arg)
 		printer(arg, "\\t");
 		break;
 	    default:
-		printer(arg, "\\%.3o", c);
+		printer(arg, "\\%.3o", (unsigned char) c);
 	    }
 	}
     }
@@ -653,10 +641,9 @@ logit(level, fmt, args)
     char *fmt;
     va_list args;
 {
-    int n;
     char buf[1024];
 
-    n = vslprintf(buf, sizeof(buf), fmt, args);
+    vslprintf(buf, sizeof(buf), fmt, args);
     log_write(level, buf);
 }