summaryrefslogtreecommitdiff
path: root/usage.c
blob: e774d2ef32726af0707d817cdb63fc8751ddc9d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include <stdarg.h>
#include "cache.h"
 
static void report(const char *prefix, const char *err, va_list params)
{
	fputs(prefix, stderr);
	vfprintf(stderr, err, params);
	fputs("\n", stderr);
}
 
void usage(const char *err)
{
	fprintf(stderr, "usage: %s\n", err);
	exit(1);
}
 
void die(const char *err, ...)
{
	va_list params;
 
	va_start(params, err);
	report("fatal: ", err, params);
	va_end(params);
	exit(1);
}
 
int error(const char *err, ...)
{
	va_list params;
 
	va_start(params, err);
	report("error: ", err, params);
	va_end(params);
	return -1;
}