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// orphan.c, version 1.0.1
// OMKOV coreutils orphan
// Copyright (C) 2020, Jakob Wakeling
// MIT Licence
#include "util/error.h"
#include "util/optget.h"
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#define VERSION "1.0.1"
static struct lop lops[] = {
{ "help", ARG_NUL, 256 },
{ "version", ARG_NUL, 257 },
{ NULL, 0, 0 }
};
static void hlp(void);
static void ver(void);
int main(int ac, char *av[]) { A0 = av[0];
struct opt opt = OPTGET_INIT; opt.str = ""; opt.lops = lops;
for (int o; (o = optget(&opt, av, 0)) != -1;) switch (o) {
case 256: { hlp(); return 0; }
case 257: { ver(); return 0; }
default: { return 1; }
}
if (opt.ind == ac) { error(1, "missing operand"); }
switch (fork()) {
case -1: { error(1, "%s", serr()); }
case 0: {
execvp(av[opt.ind], &av[opt.ind]);
warn("%s: %s", av[opt.ind], serr());
}
default: { return 0; }
}
}
static void hlp(void) {
puts("orphan - invoke a command as an orphan\n");
puts("usage: orphan command [argument...]\n");
puts("options:");
puts(" --help Display help information");
puts(" --version Display version information");
}
static void ver(void) {
puts("OMKOV cryptutils orphan, version " VERSION);
puts("Copyright (C) 2020, Jakob Wakeling");
puts("MIT Licence (https://opensource.org/licenses/MIT)");
}
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