diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-14 11:47:52 +0400 |
---|---|---|
committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-06-14 11:47:52 +0400 |
commit | 1adf681e87f5cd81841f8a3d84a8d9bdf83c7406 (patch) | |
tree | 57a5fe616110791c62485bcdac6eb66978e5edb9 /networking/traceroute.c | |
parent | 26017b1b048900fa994029d492987fbef2eb3b43 (diff) |
traceroute: stop using floating point needlessly; nuke useless assignment.
.rodata 129308 129312 +4
freehostinfo 35 29 -6
traceroute_main 4308 4300 -8
Diffstat (limited to 'networking/traceroute.c')
-rw-r--r-- | networking/traceroute.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/networking/traceroute.c b/networking/traceroute.c index 5d39ae3cf..40533a82d 100644 --- a/networking/traceroute.c +++ b/networking/traceroute.c @@ -710,16 +710,6 @@ send_probe(int seq, int ttl, struct timeval *tp) } } -static inline double -deltaT(struct timeval *t1p, struct timeval *t2p) -{ - double dt; - - dt = (double)(t2p->tv_sec - t1p->tv_sec) * 1000.0 + - (double)(t2p->tv_usec - t1p->tv_usec) / 1000.0; - return dt; -} - #if ENABLE_FEATURE_TRACEROUTE_VERBOSE /* * Convert an ICMP "type" field to a printable string. @@ -901,9 +891,8 @@ static void freehostinfo(struct hostinfo *hi) { free(hi->name); - hi->name = NULL; - free((char *)hi->addrs); - free((char *)hi); + free(hi->addrs); + free(hi); } #if ENABLE_FEATURE_TRACEROUTE_SOURCE_ROUTE @@ -918,6 +907,12 @@ getaddr(uint32_t *ap, const char *host) } #endif +static void +print_delta_ms(struct timeval *t1p, struct timeval *t2p) +{ + unsigned tt = (t2p->tv_sec - t1p->tv_sec) * 1000000 + (t2p->tv_usec - t1p->tv_usec); + printf(" %u.%03u ms", tt/1000, tt%1000); +} int traceroute_main(int argc, char **argv); int traceroute_main(int argc, char **argv) @@ -1256,7 +1251,7 @@ int traceroute_main(int argc, char **argv) lastaddr = from->sin_addr.s_addr; ++gotlastaddr; } - printf(" %.3f ms", deltaT(&t1, &t2)); + print_delta_ms(&t1, &t2); ip = (struct ip *)packet; if (op & OPT_TTL_FLAG) printf(" (%d)", ip->ip_ttl); |