API: Refactor: Implement buffer_get_number

2 files changed, 19 insertions, 0 deletions

diff --git a/src/nvim/api/buffer.c b/src/nvim/api/buffer.c
index 9a4285d74c..0796f5a324 100644
--- a/src/nvim/api/buffer.c
+++ b/src/nvim/api/buffer.c
@@ -293,6 +293,18 @@ void buffer_set_option(Buffer buffer, String name, Object value, Error *err)
   set_option_to(buf, SREQ_BUF, name, value, err);
 }
 
+Integer buffer_get_number(Buffer buffer, Error *err)
+{
+  Integer rv = 0;
+  buf_T *buf = find_buffer(buffer, err);
+
+  if (!buf) {
+    return rv;
+  }
+
+  return buf->b_fnum;
+}
+
 String buffer_get_name(Buffer buffer, Error *err)
 {
   String rv = {.size = 0, .data = ""};
diff --git a/src/nvim/api/buffer.h b/src/nvim/api/buffer.h
index 2350f7f41d..52a3b7cdb3 100644
--- a/src/nvim/api/buffer.h
+++ b/src/nvim/api/buffer.h
@@ -104,6 +104,13 @@ Object buffer_get_option(Buffer buffer, String name, Error *err);
 /// @param[out] err Details of an error that may have occurred
 void buffer_set_option(Buffer buffer, String name, Object value, Error *err);
 
+/// Gets the buffer number
+///
+/// @param buffer The buffer handle
+/// @param[out] err Details of an error that may have occurred
+/// @return The buffer number
+Integer buffer_get_number(Buffer buffer, Error *err);
+
 /// Gets the full file name for the buffer
 ///
 /// @param buffer The buffer handle