text-buffer: clean interface

3 files changed, 10 insertions, 13 deletions

diff --git a/src/piece-table.c b/src/piece-table.c
index fa7cd48..24e3671 100644
--- a/src/piece-table.c
+++ b/src/piece-table.c
@@ -317,8 +317,8 @@ piece_table_create (char *orig, size_t size)
 void
 piece_table_destroy (piece_table *pt)
 {
-  text_buffer_free (&pt->orig);
-  text_buffer_free (&pt->add);
+  text_buffer_clear (&pt->orig);
+  text_buffer_clear (&pt->add);
   piece_buffer_destroy (pt->pieces);
   free (pt);
 }
@@ -357,7 +357,7 @@ piece_table_optimize (piece_table *pt)
   piece_table_to_string (pt, buff, pt->length);
   text_buffer_fill (&pt->orig, buff, pt->length);
   free (buff);
-  text_buffer_empty (&pt->add);
+  text_buffer_clear (&pt->add);
   text_buffer_init (&pt->add);
 
   piece_buffer_empty (pt->pieces);
diff --git a/src/text-buffer.c b/src/text-buffer.c
index caa1c3e..215e446 100644
--- a/src/text-buffer.c
+++ b/src/text-buffer.c
@@ -55,7 +55,7 @@ text_buffer_index (text_buffer *tb, size_t pos)
 }
 
 void
-text_buffer_empty (text_buffer *tb)
+text_buffer_clear (text_buffer *tb)
 {
   free (tb->contents);
   text_buffer_init (tb);
@@ -74,10 +74,3 @@ text_buffer_fill (text_buffer *tb, char *fill, size_t size)
       tb->contents[i] = fill[i];
     }
 }
-
-void
-text_buffer_free (text_buffer *tb)
-{
-  free (tb->contents);
-  text_buffer_init (tb);
-}
diff --git a/src/text-buffer.h b/src/text-buffer.h
index 5361534..3c85816 100644
--- a/src/text-buffer.h
+++ b/src/text-buffer.h
@@ -15,6 +15,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/*
+ * This is a growable char buffer, it grows automatically on append.
+ * It must be cleared after use as it allocates memory.
+ */
+
 #ifndef TEXT_BUFFER_H
 #define TEXT_BUFFER_H
 
@@ -32,8 +37,7 @@ void text_buffer_init (text_buffer *tb);
 void text_buffer_resize (text_buffer *tb, size_t size);
 void text_buffer_append (text_buffer *tb, char c);
 char text_buffer_index (text_buffer *tb, size_t pos);
-void text_buffer_empty (text_buffer *tb);
 void text_buffer_fill (text_buffer *tb, char *fill, size_t size);
-void text_buffer_free (text_buffer *tb);
+void text_buffer_clear (text_buffer *tb);
 
 #endif /* TEXT_BUFFER_H */