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