emory/tools/emory.cpp

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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2019 Danny Robson <danny@nerdcruft.net>
*/
#include <iostream>
#include <cstddef>
#include <sstream>
#include <unistd.h>
#include <cruft/util/debug.hpp>
#include <cruft/util/posix/except.hpp>
enum {
ARG_SELF,
ARG_CHILD,
NUM_ARGS
};
static void print_usage (std::ostream &os, int argc, char **argv)
{
(void)argc;
os << "Usage: " << argv[ARG_SELF] << " <command> [args] ...\n";
}
int main (int argc, char **argv)
{
if (argc < NUM_ARGS) {
print_usage (std::cerr, argc, argv);
return EXIT_FAILURE;
}
std::ostringstream os;
os << argv[ARG_SELF] << '-' << argv[ARG_CHILD];
cruft::posix::error::try_call (execv, os.str ().c_str (), argv + 1);
unreachable ();
}