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ping: Fix broken count argument error

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By storing count as an Optional<size_t>, we can leverage count's empty
state to proceed with pinging indefinitely, and ensure a proper value is
passed when count does have a value.

This returns pings expected behavior to send infinite packets when a
count is not specified, stop after sending a specified count, and
disallow any count < 1.

Closes #12524
This commit is contained in:
brapru 2022-02-15 19:48:05 -05:00 • committed by Tim Flynn
parent 24da85d059
commit 4cbce0e34c
1 changed files with 4 additions and 4 deletions
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8
Userland/Utilities/ping.cpp
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@ -26,7 +26,7 @@
static uint32_t total_pings;
static int successful_pings;
static uint32_t count;
static Optional<size_t> count;
static uint32_t total_ms;
static int min_ms;
static int max_ms;
@ -67,8 +67,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_option(payload_size, "Amount of bytes to send as payload in the ECHO_REQUEST packets.", "size", 's', "size");
args_parser.parse(arguments);
if (count < 1 || count > UINT32_MAX) {
warnln("invalid count argument: '{}': out of range: 1 <= value <= {}", count, UINT32_MAX);
if (count.has_value() && (count.value() < 1 || count.value() > UINT32_MAX)) {
warnln("invalid count argument: '{}': out of range: 1 <= value <= {}", count.value(), UINT32_MAX);
return 1;
}
@ -157,7 +157,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
struct timeval tv_send;
gettimeofday(&tv_send, nullptr);
if (count && total_pings == count)
if (count.has_value() && total_pings == count.value())
closing_statistics();
else
total_pings++;