2 * GIT - The information manager from hell
4 * Copyright (C) Linus Torvalds, 2005
6 #include "git-compat-util.h"
8 static void report(const char *prefix, const char *err, va_list params)
10 fputs(prefix, stderr);
11 vfprintf(stderr, err, params);
15 static NORETURN void usage_builtin(const char *err)
17 fprintf(stderr, "usage: %s\n", err);
21 static NORETURN void die_builtin(const char *err, va_list params)
23 report("fatal: ", err, params);
27 static void error_builtin(const char *err, va_list params)
29 report("error: ", err, params);
33 /* If we are in a dlopen()ed .so write to a global variable would segfault
34 * (ugh), so keep things static. */
35 static void (*usage_routine)(const char *err) NORETURN = usage_builtin;
36 static void (*die_routine)(const char *err, va_list params) NORETURN = die_builtin;
37 static void (*error_routine)(const char *err, va_list params) = error_builtin;
39 void set_usage_routine(void (*routine)(const char *err) NORETURN)
41 usage_routine = routine;
44 void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN)
46 die_routine = routine;
49 void set_error_routine(void (*routine)(const char *err, va_list params))
51 error_routine = routine;
55 void usage(const char *err)
60 void die(const char *err, ...)
64 va_start(params, err);
65 die_routine(err, params);
69 int error(const char *err, ...)
73 va_start(params, err);
74 error_routine(err, params);