piece-table: text-buffer: Fix append on empty case

1 files changed, 8 insertions, 2 deletions

diff --git a/src/piece-table.c b/src/piece-table.c
index 497c71a..a8ddd1e 100644
--- a/src/piece-table.c
+++ b/src/piece-table.c
@@ -74,9 +74,15 @@ text_buffer_init (text_buffer *tb)
 void
 text_buffer_append (text_buffer *tb, char c)
 {
-  if (tb->size == tb->len)
+  size_t base_size = 1024;
+  if (tb->size == 0)
     {
-      tb->contents = realloc(tb->contents, sizeof(*tb->contents) * tb->len*2);
+      tb->contents = malloc (sizeof(*tb->contents) * base_size);
+      tb->size = base_size;
+    }
+  else if (tb->size == tb->len)
+    {
+      tb->contents = realloc (tb->contents, sizeof(*tb->contents) * tb->len*2);
     }
   tb->contents[tb->len++] = c;
 }