There is no need to initialise global and static local variables to zero,

they are like that by default.
OK florian@

diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c
index 8abf4f6..158de79 100644 (file)
--- a/sbin/ping/ping.c
+++ b/sbin/ping/ping.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ping.c,v 1.227 2018/07/18 15:46:49 florian Exp $      */
+/*     $OpenBSD: ping.c,v 1.228 2018/07/21 07:27:54 claudio Exp $      */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -179,7 +179,7 @@ char BSPACE = '\b';         /* characters written for flood */
 char DOT = '.';
 char *hostname;
 int ident;                     /* process id to identify our packets */
-int v6flag = 0;                        /* are we ping6? */
+int v6flag;                    /* are we ping6? */
 
 /* counters */
 int64_t npackets;              /* max packets to transmit */
@@ -190,13 +190,13 @@ int64_t nmissedmax = 1;           /* max value of ntransmitted - nreceived - 1 */
 struct timeval interval = {1, 0}; /* interval between packets */
 
 /* timing */
-int timing = 0;                        /* flag to do timing */
-int timinginfo = 0;
+int timing;                    /* flag to do timing */
+int timinginfo;
 unsigned int maxwait = MAXWAIT_DEFAULT;        /* max seconds to wait for response */
 double tmin = 999999999.0;     /* minimum round trip time */
-double tmax = 0.0;             /* maximum round trip time */
-double tsum = 0.0;             /* sum of all times, for doing average */
-double tsumsq = 0.0;           /* sum of all times squared, for std. dev. */
+double tmax;                   /* maximum round trip time */
+double tsum;                   /* sum of all times, for doing average */
+double tsumsq;                 /* sum of all times squared, for std. dev. */
 
 struct tv64 tv64_offset;
 SIPHASH_KEY mac_key;
@@ -991,7 +991,7 @@ void
 retransmit(int s)
 {
        struct itimerval itimer;
-       static int last_time = 0;
+       static int last_time;
 
        if (last_time) {
                seenint = 1;    /* break out of ping event loop */