piece-table: Add text_buffer_resize

1 files changed, 8 insertions, 4 deletions

diff --git a/src/piece-table.c b/src/piece-table.c
index 53a9088..21dbb1b 100644
--- a/src/piece-table.c
+++ b/src/piece-table.c
@@ -72,6 +72,13 @@ text_buffer_init (text_buffer *tb)
 }
 
 void
+text_buffer_resize (text_buffer *tb, size_t size)
+{
+  tb->size = size;
+  tb->contents = realloc (tb->contents, sizeof (*tb->contents) * size);
+}
+
+void
 text_buffer_append (text_buffer *tb, char c)
 {
   size_t base_size = 1024;
@@ -81,10 +88,7 @@ text_buffer_append (text_buffer *tb, char c)
       tb->size = base_size;
     }
   else if (tb->size == tb->used)
-    {
-      tb->contents = realloc (tb->contents,
-                              sizeof (*tb->contents) * tb->used*2);
-    }
+    text_buffer_resize (tb, tb->size * 2);
   tb->contents[tb->used++] = c;
 }