]>
Commit | Line | Data |
---|---|---|
0fcfd160 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
4050c0df | 6 | #include "git-compat-util.h" |
0fcfd160 LT |
7 | |
8 | static void report(const char *prefix, const char *err, va_list params) | |
9 | { | |
389d1767 | 10 | char msg[1024]; |
d048a96e NP |
11 | vsnprintf(msg, sizeof(msg), err, params); |
12 | fprintf(stderr, "%s%s\n", prefix, msg); | |
0fcfd160 LT |
13 | } |
14 | ||
ce88ac5b | 15 | static NORETURN void usage_builtin(const char *err) |
0fcfd160 LT |
16 | { |
17 | fprintf(stderr, "usage: %s\n", err); | |
5d1a5c02 | 18 | exit(129); |
0fcfd160 LT |
19 | } |
20 | ||
ce88ac5b | 21 | static NORETURN void die_builtin(const char *err, va_list params) |
39a3f5ea PB |
22 | { |
23 | report("fatal: ", err, params); | |
24 | exit(128); | |
25 | } | |
26 | ||
ce88ac5b | 27 | static void error_builtin(const char *err, va_list params) |
39a3f5ea PB |
28 | { |
29 | report("error: ", err, params); | |
30 | } | |
31 | ||
fa39b6b5 SP |
32 | static void warn_builtin(const char *warn, va_list params) |
33 | { | |
34 | report("warning: ", warn, params); | |
35 | } | |
39a3f5ea PB |
36 | |
37 | /* If we are in a dlopen()ed .so write to a global variable would segfault | |
38 | * (ugh), so keep things static. */ | |
39 | static void (*usage_routine)(const char *err) NORETURN = usage_builtin; | |
40 | static void (*die_routine)(const char *err, va_list params) NORETURN = die_builtin; | |
41 | static void (*error_routine)(const char *err, va_list params) = error_builtin; | |
fa39b6b5 | 42 | static void (*warn_routine)(const char *err, va_list params) = warn_builtin; |
39a3f5ea | 43 | |
39a3f5ea PB |
44 | void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN) |
45 | { | |
46 | die_routine = routine; | |
47 | } | |
48 | ||
39a3f5ea PB |
49 | void usage(const char *err) |
50 | { | |
51 | usage_routine(err); | |
52 | } | |
53 | ||
0fcfd160 LT |
54 | void die(const char *err, ...) |
55 | { | |
56 | va_list params; | |
57 | ||
58 | va_start(params, err); | |
39a3f5ea | 59 | die_routine(err, params); |
0fcfd160 | 60 | va_end(params); |
0fcfd160 LT |
61 | } |
62 | ||
63 | int error(const char *err, ...) | |
64 | { | |
65 | va_list params; | |
66 | ||
67 | va_start(params, err); | |
39a3f5ea | 68 | error_routine(err, params); |
0fcfd160 LT |
69 | va_end(params); |
70 | return -1; | |
71 | } | |
fa39b6b5 | 72 | |
46efd2d9 | 73 | void warning(const char *warn, ...) |
fa39b6b5 SP |
74 | { |
75 | va_list params; | |
76 | ||
77 | va_start(params, warn); | |
78 | warn_routine(warn, params); | |
79 | va_end(params); | |
80 | } |