linux/tools/perf/util/usage.c
Arnaldo Carvalho de Melo 215a0d305c perf tools: Add missing headers, mostly stdlib.h
Part of the erosion of util/util.h, that will lose its include stdlib.h,
we need to add it to places where it is needed but was getting it
indirectly.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-1imnqezw99ahc07fjeb51qby@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-09 10:13:22 -03:00

30 lines
623 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 "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);
}