Customizable error handlers

diff --git a/git-compat-util.h b/git-compat-util.h
index 5d543d29f85e432a89bb8cbfbe2d18205599b06f..b3d4cf532e5728e6b962d0d65789f6e8e4bd7fe5 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -40,6 +40,10 @@ extern void usage(const char *err) NORETURN;
 extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));
 extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
 
+extern void set_usage_routine(void (*routine)(const char *err) NORETURN);
+extern void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN);
+extern void set_error_routine(void (*routine)(const char *err, va_list params));
+
 #ifdef NO_MMAP
 
 #ifndef PROT_READ