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ps: Disallow using -q with any other filtering options

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This matches the behavior of `ps` on Linux.
This commit is contained in:
Tim Ledbetter 2023-07-09 15:27:36 +01:00 • committed by Sam Atkins
parent 5e24b97275
commit a758e27153
1 changed files with 6 additions and 4 deletions
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10
Userland/Utilities/ps.cpp
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@ -1,6 +1,7 @@
/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2023, Tim Ledbetter <timledbetter@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -80,7 +81,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
bool every_process_flag = false;
bool every_terminal_process_flag = false;
bool full_format_flag = false;
bool provided_pid_list = false;
bool provided_filtering_option = false;
bool provided_quick_pid_list = false;
Vector<pid_t> pid_list;
Vector<uid_t> uid_list;
@ -91,7 +92,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
args_parser.add_option(every_process_flag, "Show every process (Equivalent to -A)", nullptr, 'e');
args_parser.add_option(full_format_flag, "Full format", nullptr, 'f');
args_parser.add_option(make_list_option(pid_list, "Show processes with a matching PID. (Comma- or space-separated list)", nullptr, 'p', "pid-list", [&](StringView pid_string) {
provided_pid_list = true;
provided_filtering_option = true;
auto pid = pid_string.to_int();
if (!pid.has_value())
warnln("Could not parse '{}' as a PID.", pid_string);
@ -105,6 +106,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
return pid;
}));
args_parser.add_option(make_list_option(uid_list, "Show processes with a matching user ID or login name. (Comma- or space-separated list.)", nullptr, 'u', "user-list", [&](StringView user_string) -> Optional<uid_t> {
provided_filtering_option = true;
if (auto uid = user_string.to_uint<uid_t>(); uid.has_value()) {
return uid.value();
}
@ -118,8 +120,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
}));
args_parser.parse(arguments);
if (provided_pid_list && provided_quick_pid_list) {
warnln("`-p` and `-q` cannot be specified together.");
if (provided_filtering_option && provided_quick_pid_list) {
warnln("The -q option cannot be combined with other filtering options.");
return 1;
}