|  | // 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" | 
|  |  | 
|  | 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); | 
|  | } |