refactor userdiff textconv code

diff --git a/usage.c b/usage.c
index a5fc4ec5fae66823266862fa0254474696c220e6..24f5fc00c2501c1a1cc317f0b74b458ea50c8b0e 100644 (file)
--- a/usage.c
+++ b/usage.c
@@ -41,27 +41,11 @@ static void (*die_routine)(const char *err, va_list params) NORETURN = die_built
 static void (*error_routine)(const char *err, va_list params) = error_builtin;
 static void (*warn_routine)(const char *err, va_list params) = warn_builtin;
 
-void set_usage_routine(void (*routine)(const char *err) NORETURN)
-{
-       usage_routine = routine;
-}
-
 void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN)
 {
        die_routine = routine;
 }
 
-void set_error_routine(void (*routine)(const char *err, va_list params))
-{
-       error_routine = routine;
-}
-
-void set_warn_routine(void (*routine)(const char *warn, va_list params))
-{
-       warn_routine = routine;
-}
-
-
 void usage(const char *err)
 {
        usage_routine(err);