history_add: make 2nd parameter const

2 files changed, 2 insertions, 2 deletions

diff --git a/src/history.c b/src/history.c
index 89c6699..82c94fe 100644
--- a/src/history.c
+++ b/src/history.c
@@ -162,7 +162,7 @@ history_add_upto (int history_id, const char *item, size_t max)
 }
 
 void
-history_add (int history_id, char *item)
+history_add (int history_id, const char *item)
 {
   history_add_upto (history_id, item, defaults.history_size);
 }
diff --git a/src/history.h b/src/history.h
index f6b6dd9..308e212 100644
--- a/src/history.h
+++ b/src/history.h
@@ -33,7 +33,7 @@ void  history_load (void);
 void  history_save (void);
 void  history_resize (int size);
 void  history_reset (void);
-void  history_add (int, char *item);
+void  history_add (int, const char *item);
 const char *history_next (int);
 const char *history_previous (int);
 int   history_expand_line (int, char *string, char **output);