piece-table & text-buffer: Use `const`.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/piece-table.c b/src/piece-table.c
index 14f456f..c18c162 100644
--- a/src/piece-table.c
+++ b/src/piece-table.c
@@ -156,7 +156,7 @@ piece_table_piece_find (piece_table *pt, size_t pos)
 
 
 void
-piece_table_insert (piece_table *pt, size_t pos, char *in, size_t len)
+piece_table_insert (piece_table *pt, size_t pos, const char *in, size_t len)
 {
   piece *start, *end, *new;
 
@@ -272,7 +272,7 @@ piece_table_delete (piece_table *pt, size_t pos, size_t len)
 }
 
 piece_table *
-piece_table_create_from_str (char *orig, size_t size)
+piece_table_create_from_str (const char *orig, size_t size)
 {
   piece *original;
   piece_table * pt = malloc (sizeof (*pt));
@@ -303,7 +303,7 @@ piece_table_create_from_str (char *orig, size_t size)
 }
 
 piece_table *
-piece_table_create (char *orig, size_t size)
+piece_table_create (void)
 {
   return piece_table_create_from_str ("", 0);
 }