ovni/src/emu/emu_args.c

63 lines
1.4 KiB
C

/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
* SPDX-License-Identifier: GPL-3.0-or-later */
#define _POSIX_C_SOURCE 2
#include "emu_args.h"
#include "common.h"
#include <unistd.h>
#include <string.h>
static char progname[] = "ovniemu";
static void
usage(void)
{
rerr("Usage: %s [-c offsetfile] [-lh] tracedir\n", progname);
rerr("\n");
rerr("Options:\n");
rerr(" -c offsetfile Use the given offset file to correct\n");
rerr(" the clocks among nodes. It can be\n");
rerr(" generated by the ovnisync program\n");
rerr("\n");
rerr(" -l Enable linter mode. Extra tests will\n");
rerr(" be performed.\n");
rerr("\n");
rerr(" -h Show help.\n");
rerr("\n");
rerr(" tracedir The output trace dir generated by ovni.\n");
rerr("\n");
rerr("The output PRV files are placed in the tracedir directory.\n");
exit(EXIT_FAILURE);
}
void
emu_args_init(struct emu_args *args, int argc, char *argv[])
{
memset(args, 0, sizeof(struct emu_args));
int opt;
while ((opt = getopt(argc, argv, "c:lh")) != -1) {
switch (opt) {
case 'c':
args->clock_offset_file = optarg;
break;
case 'l':
args->linter_mode = 1;
break;
case 'h':
default: /* '?' */
usage();
}
}
if (optind >= argc) {
err("missing tracedir\n");
usage();
}
args->tracedir = argv[optind];
}