linux/tools/perf/util/usage.c

29 lines
604 B
C

// 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 <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);
}