PPP: Fix inaccurate variable names

diff --git a/print-ppp.c b/print-ppp.c
index 532df1c08995bcf875948ff16914275d45d4fd6b..f4b911bc9d454290634f0ac1e3e74d2c6e0cb255 100644 (file)
--- a/print-ppp.c
+++ b/print-ppp.c
@@ -417,7 +417,7 @@ handle_ctrl_proto(netdissect_options *ndo,
        const char *typestr;
        u_int code, len;
        u_int (*pfunc)(netdissect_options *, const u_char *, u_int);
-       u_int x, j;
+       u_int tlen, advance;
         const u_char *tptr;
 
         tptr=pptr;
@@ -483,7 +483,7 @@ handle_ctrl_proto(netdissect_options *ndo,
        case CPCODES_CONF_ACK:
        case CPCODES_CONF_NAK:
        case CPCODES_CONF_REJ:
-               x = len - 4;    /* Code(1), Identifier(1) and Length(2) */
+               tlen = len - 4; /* Code(1), Identifier(1) and Length(2) */
                do {
                        switch (proto) {
                        case PPP_LCP:
@@ -513,11 +513,11 @@ handle_ctrl_proto(netdissect_options *ndo,
                        if (pfunc == NULL) /* catch the above null pointer if unknown CP */
                                break;
 
-                       if ((j = (*pfunc)(ndo, tptr, len)) == 0)
+                       if ((advance = (*pfunc)(ndo, tptr, len)) == 0)
                                break;
-                       x -= j;
-                       tptr += j;
-               } while (x != 0);
+                       tlen -= advance;
+                       tptr += advance;
+               } while (tlen != 0);
                break;
 
        case CPCODES_TERM_REQ: