ping: add -t TTL option
function old new delta common_ping_main 1755 1796 +41 packed_usage 27954 27971 +17 bbconfig_config_bz2 4965 4966 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 59/0) Total: 59 bytes Signed-off-by: Joachim Nilsson <joachim.nilsson@vmlinux.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Joachim Nilsson
committed by
Denys Vlasenko
Denys Vlasenko
parent
713d241852
commit
714e2b7e6a
@@ -263,8 +263,6 @@ IF_OPENVT(APPLET(openvt, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_PASSWD(APPLET(passwd, _BB_DIR_USR_BIN, _BB_SUID_REQUIRE))
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IF_PGREP(APPLET(pgrep, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_PIDOF(APPLET(pidof, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_PING(APPLET(ping, _BB_DIR_BIN, _BB_SUID_MAYBE))
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IF_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_MAYBE))
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IF_PIPE_PROGRESS(APPLET(pipe_progress, _BB_DIR_BIN, _BB_SUID_DROP))
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IF_PIVOT_ROOT(APPLET(pivot_root, _BB_DIR_SBIN, _BB_SUID_DROP))
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IF_PKILL(APPLET_ODDNAME(pkill, pgrep, _BB_DIR_USR_BIN, _BB_SUID_DROP, pkill))
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@@ -2859,61 +2859,6 @@ INSERT
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IF_FEATURE_PIDOF_OMIT( \
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"$ pidof /bin/sh -o %PPID\n20351 5950")
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#if !ENABLE_FEATURE_FANCY_PING
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#define ping_trivial_usage \
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"host"
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#define ping_full_usage "\n\n" \
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"Send ICMP ECHO_REQUEST packets to network hosts"
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#define ping6_trivial_usage \
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"host"
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#define ping6_full_usage "\n\n" \
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"Send ICMP ECHO_REQUEST packets to network hosts"
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#else
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#define ping_trivial_usage \
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"[OPTIONS] HOST"
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#define ping_full_usage "\n\n" \
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"Send ICMP ECHO_REQUEST packets to network hosts\n" \
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"\nOptions:" \
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"\n -4,-6 Force IP or IPv6 name resolution" \
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"\n -c CNT Send only CNT pings" \
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"\n -s SIZE Send SIZE data bytes in packets (default:56)" \
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"\n -I IFACE/IP Use interface or IP address as source" \
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"\n -W SEC Seconds to wait for the first response (default:10)" \
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"\n (after all -c CNT packets are sent)" \
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"\n -w SEC Seconds until ping exits (default:infinite)" \
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"\n (can exit earlier with -c CNT)" \
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"\n -q Quiet, only displays output at start" \
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"\n and when finished" \
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#define ping6_trivial_usage \
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"[OPTIONS] HOST"
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#define ping6_full_usage "\n\n" \
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"Send ICMP ECHO_REQUEST packets to network hosts\n" \
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"\nOptions:" \
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"\n -c CNT Send only CNT pings" \
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"\n -s SIZE Send SIZE data bytes in packets (default:56)" \
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"\n -I IFACE/IP Use interface or IP address as source" \
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"\n -q Quiet, only displays output at start" \
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"\n and when finished" \
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#endif
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#define ping_example_usage \
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"$ ping localhost\n" \
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"PING slag (127.0.0.1): 56 data bytes\n" \
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"64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=20.1 ms\n" \
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"\n" \
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"--- debian ping statistics ---\n" \
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"1 packets transmitted, 1 packets received, 0% packet loss\n" \
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"round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
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#define ping6_example_usage \
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"$ ping6 ip6-localhost\n" \
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"PING ip6-localhost (::1): 56 data bytes\n" \
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"64 bytes from ::1: icmp6_seq=0 ttl=64 time=20.1 ms\n" \
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"\n" \
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"--- ip6-localhost ping statistics ---\n" \
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"1 packets transmitted, 1 packets received, 0% packet loss\n" \
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"round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
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#define pipe_progress_trivial_usage NOUSAGE_STR
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#define pipe_progress_full_usage ""
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@@ -684,29 +684,6 @@ config FEATURE_NTPD_SERVER
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Make ntpd usable as a NTP server. If you disable this option
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ntpd will be usable only as a NTP client.
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config PING
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bool "ping"
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default y
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depends on PLATFORM_LINUX
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help
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ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to
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elicit an ICMP ECHO_RESPONSE from a host or gateway.
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config PING6
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bool "ping6"
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default y
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depends on FEATURE_IPV6 && PING
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help
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This will give you a ping that can talk IPv6.
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config FEATURE_FANCY_PING
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bool "Enable fancy ping output"
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default y
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depends on PING
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help
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Make the output from the ping applet include statistics, and at the
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same time provide full support for ICMP packets.
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config PSCAN
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bool "pscan"
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default y
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@@ -30,8 +30,6 @@ lib-$(CONFIG_NC) += nc.o
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lib-$(CONFIG_NETSTAT) += netstat.o
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lib-$(CONFIG_NSLOOKUP) += nslookup.o
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lib-$(CONFIG_NTPD) += ntpd.o
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lib-$(CONFIG_PING) += ping.o
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lib-$(CONFIG_PING6) += ping.o
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lib-$(CONFIG_PSCAN) += pscan.o
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lib-$(CONFIG_ROUTE) += route.o
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lib-$(CONFIG_SLATTACH) += slattach.o
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@@ -29,6 +29,92 @@
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#include <netinet/ip_icmp.h>
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#include "libbb.h"
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//config:config PING
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//config: bool "ping"
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//config: default y
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//config: depends on PLATFORM_LINUX
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//config: help
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//config: ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to
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//config: elicit an ICMP ECHO_RESPONSE from a host or gateway.
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//config:
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//config:config PING6
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//config: bool "ping6"
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//config: default y
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//config: depends on FEATURE_IPV6 && PING
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//config: help
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//config: This will give you a ping that can talk IPv6.
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//config:
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//config:config FEATURE_FANCY_PING
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//config: bool "Enable fancy ping output"
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//config: default y
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//config: depends on PING
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//config: help
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//config: Make the output from the ping applet include statistics, and at the
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//config: same time provide full support for ICMP packets.
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//applet:IF_PING(APPLET(ping, _BB_DIR_BIN, _BB_SUID_MAYBE))
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//applet:IF_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_MAYBE))
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//kbuild:lib-$(CONFIG_PING) += ping.o
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//kbuild:lib-$(CONFIG_PING6) += ping.o
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//usage:#if !ENABLE_FEATURE_FANCY_PING
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//usage:# define ping_trivial_usage
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//usage: "HOST"
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//usage:# define ping_full_usage "\n\n"
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//usage: "Send ICMP ECHO_REQUEST packets to network hosts"
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//usage:# define ping6_trivial_usage
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//usage: "HOST"
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//usage:# define ping6_full_usage "\n\n"
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//usage: "Send ICMP ECHO_REQUEST packets to network hosts"
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//usage:#else
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//usage:# define ping_trivial_usage
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//usage: "[OPTIONS] HOST"
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//usage:# define ping_full_usage "\n\n"
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//usage: "Send ICMP ECHO_REQUEST packets to network hosts\n"
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//usage: "\nOptions:"
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//usage: "\n -4,-6 Force IP or IPv6 name resolution"
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//usage: "\n -c CNT Send only CNT pings"
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//usage: "\n -s SIZE Send SIZE data bytes in packets (default:56)"
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//usage: "\n -t TTL Set TTL"
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//usage: "\n -I IFACE/IP Use interface or IP address as source"
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//usage: "\n -W SEC Seconds to wait for the first response (default:10)"
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//usage: "\n (after all -c CNT packets are sent)"
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//usage: "\n -w SEC Seconds until ping exits (default:infinite)"
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//usage: "\n (can exit earlier with -c CNT)"
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//usage: "\n -q Quiet, only displays output at start"
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//usage: "\n and when finished"
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//usage:
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//usage:# define ping6_trivial_usage
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//usage: "[OPTIONS] HOST"
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//usage:# define ping6_full_usage "\n\n"
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//usage: "Send ICMP ECHO_REQUEST packets to network hosts\n"
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//usage: "\nOptions:"
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//usage: "\n -c CNT Send only CNT pings"
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//usage: "\n -s SIZE Send SIZE data bytes in packets (default:56)"
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//usage: "\n -I IFACE/IP Use interface or IP address as source"
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//usage: "\n -q Quiet, only displays output at start"
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//usage: "\n and when finished"
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//usage:
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//usage:#endif
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//usage:
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//usage:#define ping_example_usage
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//usage: "$ ping localhost\n"
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//usage: "PING slag (127.0.0.1): 56 data bytes\n"
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//usage: "64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=20.1 ms\n"
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//usage: "\n"
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//usage: "--- debian ping statistics ---\n"
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//usage: "1 packets transmitted, 1 packets received, 0% packet loss\n"
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//usage: "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
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//usage:#define ping6_example_usage
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//usage: "$ ping6 ip6-localhost\n"
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//usage: "PING ip6-localhost (::1): 56 data bytes\n"
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//usage: "64 bytes from ::1: icmp6_seq=0 ttl=64 time=20.1 ms\n"
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//usage: "\n"
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//usage: "--- ip6-localhost ping statistics ---\n"
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//usage: "1 packets transmitted, 1 packets received, 0% packet loss\n"
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//usage: "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
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#if ENABLE_PING6
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# include <netinet/icmp6.h>
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/* I see RENUMBERED constants in bits/in.h - !!?
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@@ -223,17 +309,18 @@ static int common_ping_main(sa_family_t af, char **argv)
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/* Full(er) version */
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#define OPT_STRING ("qvc:s:w:W:I:4" IF_PING6("6"))
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#define OPT_STRING ("qvc:s:t:w:W:I:4" IF_PING6("6"))
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enum {
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OPT_QUIET = 1 << 0,
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OPT_VERBOSE = 1 << 1,
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OPT_c = 1 << 2,
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OPT_s = 1 << 3,
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OPT_w = 1 << 4,
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OPT_W = 1 << 5,
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OPT_I = 1 << 6,
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OPT_IPV4 = 1 << 7,
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OPT_IPV6 = (1 << 8) * ENABLE_PING6,
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OPT_t = 1 << 4,
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OPT_w = 1 << 5,
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OPT_W = 1 << 6,
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OPT_I = 1 << 7,
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OPT_IPV4 = 1 << 8,
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OPT_IPV6 = (1 << 9) * ENABLE_PING6,
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};
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@@ -244,6 +331,7 @@ struct globals {
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len_and_sockaddr *source_lsa;
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unsigned datalen;
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unsigned pingcount; /* must be int-sized */
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unsigned opt_ttl;
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unsigned long ntransmitted, nreceived, nrepeats;
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uint16_t myid;
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unsigned tmin, tmax; /* in us */
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@@ -275,6 +363,7 @@ struct globals {
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#define nreceived (G.nreceived )
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#define nrepeats (G.nrepeats )
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#define pingcount (G.pingcount )
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#define opt_ttl (G.opt_ttl )
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#define myid (G.myid )
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#define tmin (G.tmin )
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#define tmax (G.tmax )
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@@ -586,6 +675,10 @@ static void ping4(len_and_sockaddr *lsa)
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sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */
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setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
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if (opt_ttl != 0)
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//setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl));
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setsockopt(pingsock, IPPROTO_IP, IP_TTL, &opt_ttl, sizeof(opt_ttl));
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signal(SIGINT, print_stats_and_exit);
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/* start the ping's going ... */
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@@ -735,9 +828,9 @@ static int common_ping_main(int opt, char **argv)
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INIT_G();
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/* exactly one argument needed; -v and -q don't mix; -c NUM, -w NUM, -W NUM */
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opt_complementary = "=1:q--v:v--q:c+:w+:W+";
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opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &deadline, &timeout, &str_I);
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/* exactly one argument needed; -v and -q don't mix; -c NUM, -t NUM, -w NUM, -W NUM */
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opt_complementary = "=1:q--v:v--q:c+:t+:w+:W+";
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opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I);
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if (opt & OPT_s)
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datalen = xatou16(str_s); // -s
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if (opt & OPT_I) { // -I
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