Cregit: Linux 5.3: usage.c

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Ingo Molnar	58	78.38%	2	28.57%
Arnaldo Carvalho de Melo	14	18.92%	3	42.86%
Greg Kroah-Hartman	1	1.35%	1	14.29%
Namhyung Kim	1	1.35%	1	14.29%
Total	74		7

// SPDX-License-Identifier: GPL-2.0
/*
 * usage.c
 *
 * Various reporting routines.
 * Originally copied from GIT source.
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "util.h"
#include "debug.h"
#include <stdio.h>
#include <stdlib.h>
#include <linux/compiler.h>

static __noreturn void usage_builtin(const char *err)
{
	fprintf(stderr, "\n Usage: %s\n", err);
	exit(129);
}

/* If we are in a dlopen()ed .so write to a global variable would segfault
 * (ugh), so keep things static. */
static void (*usage_routine)(const char *err) __noreturn = usage_builtin;

void usage(const char *err)
{
	usage_routine(err);
}