#pragma once
+#include <algorithm>
#include <cstdint>
#include <climits>
-#include <getopt.h>
+#include <functional>
#include <iostream>
#include <string>
#include <vector>
-struct client_options {
- static const int first_flag = '/';
- static const int last_flag = 'z';
- static const int flag_count = last_flag - first_flag + 1;
-
- enum class flag : int {
- _success = -1,
- _failure = '?',
-
- absolute = '/',
- flush = '0',
- add_cmd = 'A',
- buffer = 'B',
- concurrency = 'C',
- flags = 'F',
- hash = 'H',
- load = 'L',
- tcp_nodelay = 'N',
- query = 'Q',
- replace_cmd = 'R',
- set_cmd = 'S',
- udp = 'U',
- version = 'V',
- analyze = 'a',
- binary = 'b',
- debug = 'd',
- expire = 'e',
- file = 'f',
- help = 'h',
- non_block = 'n',
- password = 'p',
- quiet = 'q',
- repeat = 'r',
- servers = 's',
- test = 't',
- username = 'u',
- verbose = 'v',
- zero = 'z',
- };
+#include "libmemcached/common.h"
- struct flags {
- int absolute;
- int flush;
- int add_cmd;
- int buffer;
- int flags;
- int tcp_nodelay;
- int replace_cmd;
- int set_cmd;
- int udp;
- int version;
- int analyze;
- int binary;
- int debug;
- int help;
- int non_block;
- int quiet;
- int verbose;
- int zero;
- } flags;
-
- struct args {
- unsigned long concurrency;
- const char *hash;
- unsigned long load;
- const char *query;
- const char *file;
- unsigned long expire;
- const char *password;
- unsigned long repeat;
- const char *servers;
- const char *test;
- const char *username;
- const char * const *positional;
- } args;
-
- option avail[flag_count];
- const char *help[flag_count];
-
- std::string short_opts;
- std::vector<struct option> long_opts;
-
- const char *progname;
- const char *progvers;
- const char *progdesc;
-
- client_options(const char *prg, const char *ver, const char *dsc, const std::vector<client_options::flag> &f)
- : flags{}
- , args{}
- , avail{}
- , help{}
- , short_opts{}
- , long_opts{}
- , progname{prg}
- , progvers{ver}
- , progdesc{dsc}
- {
+#ifdef HAVE_GETOPT_H
+# include <getopt.h>
+#elif defined _MSC_VER
+# include "win32/getopt.h"
+#endif
-# define opt_flag(s, a, h) opt_flag_ex(#s, s, a, h)
-# define opt_flag_ex(n, v, a, h) \
- [static_cast<int>(flag::v)-first_flag] = {n, a, &flags.v, static_cast<int>(flag::v)}; \
- help[static_cast<int>(flag::v)-first_flag] = h
-
-# define opt_data(s, a, h) opt_data_ex(#s, s, a, h)
-# define opt_data_ex(n, v, a, h) \
- [static_cast<int>(flag::v)-first_flag] = {n, a, nullptr, static_cast<int>(flag::v)}; \
- help[static_cast<int>(flag::v)-first_flag] = h
-
- avail opt_flag( absolute, no_argument, "Use absolute path names.");
- avail opt_flag( flush, no_argument, "Flush the server(s).");
- avail opt_flag_ex("add", add_cmd, no_argument, "Perform ADD operations.");
- avail opt_flag( buffer, no_argument, "Buffer requests.");
- avail opt_data( concurrency,required_argument,"Level of concurrency.");
- avail opt_flag( flags, no_argument, "Print or set associated flags for key(s).");
- avail opt_data( hash, required_argument,"Select key hash.");
- avail opt_data( load, required_argument,"Initial load.");
- avail opt_flag_ex("tcp-nodelay",tcp_nodelay,no_argument, "Disable Nagle's algorithm.");
- avail opt_data( query, no_argument, "Query arguments.");
- avail opt_flag_ex("replace", replace_cmd,no_argument, "Perform REPLACE operations.");
- avail opt_flag_ex("set", set_cmd, no_argument, "Perform SET operations.");
- avail opt_flag( udp, no_argument, "Use UDP.");
- avail opt_flag( version, no_argument, "Print program version.");
- avail opt_flag( analyze, no_argument, "Analyze the server's statistics.");
- avail opt_flag( binary, no_argument, "Use the binary memcached protocol.");
- avail opt_flag( debug, no_argument, "Print output useful only for debugging.");
- avail opt_data( expire, required_argument,"Set associated expiry time for key(s).");
- avail opt_data( file, required_argument,"File to save to or read from.");
- avail opt_flag( help, no_argument, "Print this help.");
- avail opt_flag_ex("non-block", non_block, no_argument, "Use non blocking connections.");
- avail opt_data( password, required_argument,"SASL password.");
- avail opt_flag( quiet, no_argument, "Print no output, not even errors.");
- avail opt_data( repeat, required_argument,"Repeat operation n times.");
- avail opt_data( servers, required_argument,"List of servers to connect to.");
- avail opt_data( test, required_argument,"Test to perform.");
- avail opt_data( username, required_argument,"SASL username.");
- avail opt_flag( verbose, no_argument, "Print more informational output.");
- avail opt_flag( zero, no_argument, "Zero.");
-
- long_opts.reserve(f.size() + 1);
- short_opts.reserve(f.size() * 3);
-
- for (auto o : f) {
- auto &opt = avail[static_cast<int>(o)-first_flag];
-
- long_opts.push_back(opt);
- short_opts.push_back(opt.val);
-
- for (int i = 0; i < opt.has_arg; ++i) {
- short_opts.push_back(':');
- }
- }
+class client_options {
+public:
- long_opts.push_back(option{});
- }
+ struct extended_option {
+ option opt;
+ std::string help;
+ std::function<bool(client_options &, extended_option &)> parse;
+ std::function<bool(const client_options &, const extended_option &, memcached_st *)> apply;
+ char *arg;
+ bool set;
+ };
- void printVersion() const {
- std::cout << progname << " v" << progvers
- << " (libmemcached v" << LIBMEMCACHED_VERSION_STRING << ")"
- << std::endl;
- }
+ std::vector<extended_option> options;
+ std::vector<extended_option> defaults;
+
+ const char *prog_name;
+ const char *prog_vers;
+ const char *prog_desc;
+ const char *prog_argp;
+
+ client_options(const char *prg, const char *ver, const char *dsc, const char *arg = nullptr)
+ : options{}
+ , defaults{}
+ , prog_name{prg}
+ , prog_vers{ver}
+ , prog_desc{dsc}
+ , prog_argp{arg}
+ {
- void printHelp(const char *positional_args, const char *extra_doc = nullptr) const {
- printVersion();
- std::cout << "\n\t" << progdesc << "\n\n";
- std::cout << "Usage:\n\t" << progname << " -[";
- for (auto &opt : long_opts) {
- if (!opt.has_arg) {
- std::cout << (char) opt.val;
+ def("help", 'h', no_argument, "Print this help.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *) {
+ if (ext.set) {
+ opt.print_help();
+ exit(EXIT_SUCCESS);
}
- }
- std::cout << "] [--";
- for (auto &opt : long_opts) {
- if (opt.has_arg) {
- std::cout << (char) opt.val;
- if ((&opt)+1 != &*long_opts.rbegin())
- std::cout << '|';
+ return true;
+ };
+ def("version", 'V', no_argument, "Print program version.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *) {
+ if (ext.set) {
+ opt.print_version();
+ exit(EXIT_SUCCESS);
}
- }
- std::cout << " <arg>] ";
-
- std::cout << positional_args << "\n\n";
- std::cout << "Options:\n";
- for (auto &opt : long_opts) {
- if (opt.name) {
- std::cout << "\t-" << (char) opt.val << "|--" << opt.name;
- if (opt.has_arg) {
- if (opt.has_arg == optional_argument) {
- std::cout << "[";
+ return true;
+ };
+
+ def("verbose", 'v', no_argument, "Print more informational output.")
+ .parse = [](client_options &opt, extended_option &) {
+ opt.unset("quiet");
+ return true;
+ };
+ def("debug", 'd', no_argument, "Print output useful only for debugging.")
+ .parse = [](client_options &opt, extended_option &) {
+ opt.set("verbose");
+ opt.unset("quiet");
+ return true;
+ };
+ def("quiet", 'q', no_argument, "Print no output, not even errors.")
+ .parse = [](client_options &opt, extended_option &) {
+ opt.unset("verbose");
+ opt.unset("debug");
+ return true;
+ };
+
+ def("password", 'p', required_argument, "SASL password.");
+ def("username", 'u', required_argument, "SASL username.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (auto username = ext.arg) {
+#if !LIBMEMCACHED_WITH_SASL_SUPPORT
+ if (!opt.isset("quiet")) {
+ std::cerr
+ << "SASL username was supplied, but binary was not built with SASL support.\n";
}
- std::cout << "=arg";
- if (opt.has_arg == optional_argument) {
- std::cout << "]";
+ return false;
+#else
+ if (memc) {
+ if (MEMCACHED_SUCCESS
+ != memcached_set_sasl_auth_data(memc, username, opt.argof("password"))) {
+ if (!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ return false;
}
}
- std::cout << "\n\t\t" << help[opt.val - first_flag];
- std::cout << std::endl;
+#endif
}
- }
-
- if (extra_doc) {
- std::cout << extra_doc << std::endl;
- }
- }
-
- void printLastError(memcached_st *memc) const {
- if (!flags.quiet) {
- std::cerr << memcached_last_error_message(memc);
- }
- }
-
- memcached_hash_t getHash() const {
- memcached_hash_t hash = MEMCACHED_HASH_DEFAULT;
- if (args.hash && *args.hash) {
- if (flags.verbose) {
- std::cerr << "Checking for hash '" << args.hash << "'.\n";
+ return true;
+ };
+
+ def("binary", 'b', no_argument, "Use the binary memcached protocol.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, ext.set)) {
+ if(!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ return false;
}
- for (int h = hash; h < MEMCACHED_HASH_MAX; ++h) {
- auto hash_type = static_cast<memcached_hash_t>(h);
- std::string hash_string{libmemcached_string_hash(hash_type)};
- std::string hash_wanted{args.hash};
-
- if (hash_wanted.length() == hash_string.length()) {
- auto ci = std::equal(hash_string.begin(), hash_string.end(), hash_wanted.begin(), [](int a, int b) {
- return std::tolower(a) == std::tolower(b);
- });
- if (ci) {
- hash = hash_type;
- break;
- }
+ return true;
+ };
+ def("buffer", 'B', no_argument, "Buffer requests.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, ext.set)) {
+ if(!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
}
+ return false;
}
- if (hash == MEMCACHED_HASH_DEFAULT) {
- if (!flags.quiet) {
- std::cerr << "Could not find hash '" << args.hash << "'.\n";
+ return true;
+ };
+ def("non-blocking", 'n', no_argument, "Use non-blocking connections.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, ext.set)) {
+ if(!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
}
+ return false;
}
- }
- return hash;
- }
-
- memcached_server_st *getServers() {
- if (!args.servers) {
- if (flags.verbose) {
- std::cerr << "Checking environment for a server list in MEMCACHED_SERVERS.\n";
+ return true;
+ };
+ def("tcp-nodelay", 'N', no_argument, "Disable Nagle's algorithm.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, ext.set)) {
+ if(!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ return false;
}
- args.servers = getenv("MEMCACHED_SERVERS");
- if (!args.servers || !*args.servers) {
- if (!flags.quiet) {
- std::cerr << "No servers provided.\n";
+ return true;
+ };
+ def("servers", 's', required_argument, "List of servers to connect to.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ auto servers = ext.arg;
+ if (!servers) {
+ if (opt.isset("verbose")) {
+ std::cerr << "Checking environment for a server list in MEMCACHED_SERVERS.\n";
+ }
+ servers = getenv("MEMCACHED_SERVERS");
+ if (!servers || !*servers) {
+ if (!opt.isset("quiet")) {
+ std::cerr << "No servers provided.\n";
+ }
+ return false;
}
- return nullptr;
}
- }
- auto servers = memcached_servers_parse(args.servers);
- if (!servers || !memcached_server_list_count(servers)) {
- if (!flags.quiet) {
- std::cerr << "Invalid server list provided: '" << args.servers << "'\n";
+ auto server_list = memcached_servers_parse(servers);
+ if (!server_list || !memcached_server_list_count(server_list)) {
+ if (!opt.isset("quiet")) {
+ std::cerr << "Invalid server list provided: '" << servers << "'\n";
+ }
+ if (server_list) {
+ memcached_server_list_free(server_list);
+ }
+ return false;
}
- if (servers) {
- memcached_server_list_free(servers);
+
+ if (MEMCACHED_SUCCESS != memcached_server_push(memc, server_list)) {
+ if (!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ memcached_server_list_free(server_list);
+ return false;
}
- return nullptr;
- }
+ memcached_server_list_free(server_list);
+ return true;
+ };
+ def("hash", 'H', required_argument, "Key hashing method.")
+ .apply = [](const client_options &opt, const extended_option &ext, memcached_st *memc) {
+ if (ext.set) {
+ std::string hash_wanted{ext.arg};
+ memcached_hash_t hash = MEMCACHED_HASH_DEFAULT;
+
+ std::transform(hash_wanted.begin(), hash_wanted.end(), hash_wanted.begin(), ::toupper);
+
+ if (opt.isset("verbose")) {
+ std::cerr << "Checking for hash '" << hash_wanted << "'.\n";
+ }
+ for (int h = MEMCACHED_HASH_DEFAULT; h < MEMCACHED_HASH_MAX; ++h) {
+ auto hash_type = static_cast<memcached_hash_t>(h);
+ std::string hash_string{libmemcached_string_hash(hash_type)};
+
+ if (hash_wanted.length() == hash_string.length()) {
+ auto ci = std::equal(hash_string.begin(), hash_string.end(), hash_wanted.begin(),
+ [](int a, int b) { return ::toupper(a) == b; });
+ if (ci) {
+ hash = hash_type;
+ break;
+ }
+ }
+ }
+ if (hash == MEMCACHED_HASH_DEFAULT) {
+ if (!opt.isset("quiet")) {
+ std::cerr << "Could not find hash '" << hash_wanted << "'.\n";
+ }
+ }
+ if (MEMCACHED_SUCCESS != memcached_behavior_set_key_hash(memc, hash)) {
+ if (!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ return false;
+ }
+ }
+ return true;
+ };
+ }
- return servers;
+ extended_option &def(option opt, std::string help) {
+ defaults.emplace_back(extended_option{opt, std::move(help), {}, {}, nullptr, false});
+ return defaults.back();
}
- bool setupServers(memcached_st *memc) {
- auto servers = getServers();
- if (!servers) {
- return false;
- }
- if (MEMCACHED_SUCCESS != memcached_server_push(memc, servers)) {
- printLastError(memc);
- memcached_server_list_free(servers);
- return false;
- }
- memcached_server_list_free(servers);
- return true;
+ extended_option &def(const char *name, char flag, int has_arg, const char *help) {
+ return def(option{name, has_arg, nullptr, flag}, help);
}
- bool setupBehavior(memcached_st *memc) const {
- if (MEMCACHED_SUCCESS != memcached_behavior_set_key_hash(memc, getHash())) {
- goto failure;
- }
- if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, flags.binary)) {
- goto failure;
- }
- if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BUFFER_REQUESTS, flags.buffer)) {
- goto failure;
- }
- if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, flags.tcp_nodelay)) {
- goto failure;
- }
- if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, flags.non_block)) {
- goto failure;
- }
- if (MEMCACHED_SUCCESS != memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_USE_UDP, flags.udp)) {
- goto failure;
- }
- return true;
+ extended_option &add(extended_option ext) {
+ options.emplace_back(std::move(ext));
+ return options.back();
+ }
- failure:
- printLastError(memc);
- return false;
+ extended_option &add(option opt, std::string help) {
+ options.emplace_back(extended_option{opt, std::move(help), nullptr, nullptr, nullptr, false});
+ return options.back();
}
- bool setupSASL(memcached_st *memc) const {
- if (args.username) {
- if (!LIBMEMCACHED_WITH_SASL_SUPPORT) {
- if (!flags.quiet) {
- std::cerr << "SASL username was supplied, but binary was not built with SASL support.\n";
- return false;
- }
- }
- if (MEMCACHED_SUCCESS != memcached_set_sasl_auth_data(memc, args.username, args.password)) {
- printLastError(memc);
- return false;
- }
- }
- return true;
+ extended_option &add(const char *name, char flag, int has_arg, const char *help) {
+ return add(option{name, has_arg, nullptr, flag}, help);
+ }
+
+ extended_option &get(const std::string &name) {
+ // UB if not found
+ return *find(name);
+ }
+ extended_option &get(int c) {
+ // UB if not found
+ return *find(c);
+ }
+
+ const extended_option &get(const std::string &name) const {
+ // UB if not found
+ return *find(name);
+ }
+ const extended_option &get(int c) const {
+ // UB if not found
+ return *find(c);
+ }
+
+ bool has(const std::string &name) const {
+ auto found = find(name);
+ return found != options.cend();
+ }
+ bool has(int c) const {
+ auto found = find(c);
+ return found != options.cend();
+ }
+
+ bool isset(const std::string &name) const {
+ return has(name) && get(name).set;
+ }
+ bool isset(int c) const {
+ return has(c) && get(c).set;
+ }
+
+ void unset(const std::string &name) {
+ set(name, false);
+ }
+ void unset(int c) {
+ set(c, false);
}
- bool apply(memcached_st *memc) {
- if (!setupBehavior(memc)) {
- return false;
+ void set(const std::string &name, bool set_ = true, char *optarg_ = nullptr) {
+ if (has(name)) {
+ auto &opt = get(name);
+ opt.set = set_;
+ opt.arg = optarg_;
}
- if (!setupServers(memc)) {
- return false;
+ }
+ void set(int c, bool set_ = true, char *optarg_ = nullptr) {
+ if (has(c)) {
+ auto &opt = get(c);
+ opt.set = set_;
+ opt.arg = optarg_;
}
- if (!setupSASL(memc)) {
- return false;
+ }
+
+ char *argof(const std::string &name) const {
+ if (has(name)) {
+ return get(name).arg;
}
-#if defined(_WIN32)
- WSADATA wsaData;
- if (WSAStartup(MAKEWORD(2, 0), &wsaData)) {
- std::cerr << "Socket Initialization Error.\n";
- return false;
+ return nullptr;
+ }
+ char *argof(int c) const {
+ if (has(c)) {
+ return get(c).arg;
}
-#endif // #if defined(_WIN32)
+ return nullptr;
+ }
- return true;
+ const extended_option &operator[](const std::string &name) const {
+ return get(name);
+ }
+ const extended_option &operator[](int c) const {
+ return get(c);
}
- bool parse(int argc, char *argv[]) {
- optind = 1;
+ void print_version() const;
+ void print_help() const;
- while (true) {
- auto opt = getopt_long(argc, argv, short_opts.c_str(), long_opts.data(), nullptr);
+ bool parse(int argc, char *argv[], char ***argp = nullptr);
+ bool apply(memcached_st *memc);
- if (flags.debug && opt != -1 && opt != '?') {
- std::cerr << "Processing option '" << (char) opt << "'\n";
- }
+private:
+ using iterator = std::vector<extended_option>::iterator;
+ using const_iterator = std::vector<extended_option>::const_iterator;
+ using predicate = std::function<bool(const extended_option &ext)>;
- switch (static_cast<flag>(opt)) {
- case flag::_success:
- args.positional = &argv[optind];
- return true;
- case flag::_failure:
- return false;
- case flag::absolute:
- flags.absolute = true;
- break;
- case flag::flush:
- flags.flush = true;
- break;
- case flag::add_cmd:
- flags.add_cmd = true;
- flags.replace_cmd = false;
- flags.set_cmd = false;
- break;
- case flag::buffer:
- flags.buffer = true;
- break;
- case flag::concurrency:
- args.concurrency = std::stoul(optarg);
- break;
- case flag::flags:
- flags.flags = true;
- break;
- case flag::hash:
- args.hash = optarg;
- break;
- case flag::load:
- args.load = std::stoul(optarg);
- break;
- case flag::tcp_nodelay:
- flags.tcp_nodelay = true;
- break;
- case flag::query:
- args.query = optarg;
- break;
- case flag::replace_cmd:
- flags.add_cmd = false;
- flags.replace_cmd = true;
- flags.set_cmd = false;
- break;
- case flag::set_cmd:
- flags.add_cmd = false;
- flags.replace_cmd = false;
- flags.set_cmd = true;
- break;
- case flag::udp:
- flags.udp = true;
- break;
- case flag::version:
- flags.version = true;
- break;
- case flag::analyze:
- flags.analyze = true;
- break;
- case flag::binary:
- flags.binary = true;
- break;
- case flag::debug:
- flags.debug = true;
- flags.quiet = false;
- flags.verbose = true;
- break;
- case flag::expire:
- args.expire = std::stoul(optarg);
- break;
- case flag::file:
- args.file = optarg;
- break;
- case flag::help:
- flags.help = true;
- break;
- case flag::non_block:
- flags.non_block = true;
- break;
- case flag::password:
- args.password = optarg;
- break;
- case flag::quiet:
- flags.debug = false;
- flags.quiet = true;
- flags.verbose = false;
- break;
- case flag::repeat:
- args.repeat = std::stoul(optarg);
- break;
- case flag::servers:
- args.servers = optarg;
- break;
- case flag::test:
- args.test = optarg;
- break;
- case flag::username:
- args.username = optarg;
- break;
- case flag::verbose:
- flags.quiet = false;
- flags.verbose = true;
- break;
- case flag::zero:
- flags.zero = true;
- break;
- }
- }
+ const_iterator find(const predicate &pred) const {
+ return std::find_if(options.cbegin(), options.cend(), pred);
+ }
+ const_iterator find(const std::string &name) const {
+ return find([&name](const extended_option &ext) {
+ return ext.opt.name && ext.opt.name == name;
+ });
+ }
+ const_iterator find(int c) const {
+ return find([c](const extended_option &ext) {
+ return ext.opt.val == c || (c == 1 && ext.opt.val == '-');
+ });
+ }
+
+ iterator find(const predicate &pred) {
+ return std::find_if(options.begin(), options.end(), pred);
+ }
+ iterator find(const std::string &name) {
+ return find([&name](const extended_option &ext) {
+ return ext.opt.name && ext.opt.name == name;
+ });
+ }
+ iterator find(int c) {
+ return find([c](const extended_option &ext) {
+ return ext.opt.val == c || (c == 1 && ext.opt.val == '-');
+ });
}
};
projects / awesomized / libmemcached / blobdiff