# \[PATCH v10 36/40\] usage: add set\_warn\_routine()

- From: Christian Couder \<hidden\>
- Date: 2016-08-08 21:05:09 
- List: git
- Page: https://ratatoskr.run/git/2016/08/7687590
- Thread: https://ratatoskr.run/git/2016/08/7687563/t.md

```text
There are already set_die_routine() and set_error_routine(),
so let's add set_warn_routine() as this will be needed in a
following commit.

Signed-off-by: Christian Couder <redacted>
---
 git-compat-util.h | 1 +
 usage.c           | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/git-compat-util.h b/git-compat-util.h
index 590bfdd..c7a51f8 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -440,6 +440,7 @@ static inline int const_error(void)
 
 extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
 extern void set_error_routine(void (*routine)(const char *err, va_list params));
+extern void set_warn_routine(void (*routine)(const char *warn, va_list params));
 extern void set_die_is_recursing_routine(int (*routine)(void));
 extern void set_error_handle(FILE *);
 
diff --git a/usage.c b/usage.c
index 1dad03f..67e5526 100644
--- a/usage.c
+++ b/usage.c
@@ -70,6 +70,11 @@ 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 set_die_is_recursing_routine(int (*routine)(void))
 {
 	die_is_recursing = routine;
-- 
2.9.2.614.g4980f51

```