CDRIVER-2173 unused argument

Author: ajdavis

src/mongoc/mongoc-async-cmd.c

@@ -280,7 +280,7 @@ mongoc_async_cmd_result_t
 _mongoc_async_cmd_phase_recv_len (mongoc_async_cmd_t *acmd)
 {
    ssize_t bytes = _mongoc_buffer_try_append_from_stream (
-      &acmd->buffer, acmd->stream, acmd->bytes_to_read, 0, &acmd->error);
+      &acmd->buffer, acmd->stream, acmd->bytes_to_read, 0);
    uint32_t msg_len;
 
    if (bytes < 0) {
@@ -326,7 +326,7 @@ mongoc_async_cmd_result_t
 _mongoc_async_cmd_phase_recv_rpc (mongoc_async_cmd_t *acmd)
 {
    ssize_t bytes = _mongoc_buffer_try_append_from_stream (
-      &acmd->buffer, acmd->stream, acmd->bytes_to_read, 0, &acmd->error);
+      &acmd->buffer, acmd->stream, acmd->bytes_to_read, 0);
 
    if (bytes < 0) {
       bson_set_error (&acmd->error,

src/mongoc/mongoc-buffer-private.h

@@ -60,8 +60,7 @@ ssize_t
 _mongoc_buffer_try_append_from_stream (mongoc_buffer_t *buffer,
                                        mongoc_stream_t *stream,
                                        size_t size,
-                                       int32_t timeout_msec,
-                                       bson_error_t *error);
+                                       int32_t timeout_msec);
 
 ssize_t
 _mongoc_buffer_fill (mongoc_buffer_t *buffer,

src/mongoc/mongoc-buffer.c

@@ -277,20 +277,18 @@ _mongoc_buffer_fill (mongoc_buffer_t *buffer,
  * @stream: The stream to read from.
  * @size: The number of bytes to read.
  * @timeout_msec: The number of milliseconds to wait or -1 for the default
- * @error: A location for a bson_error_t, or NULL.
  *
  * Reads from stream @size bytes and stores them in @buffer. This can be used
  * in conjunction with reading RPCs from a stream. You read from the stream
  * into this buffer and then scatter the buffer into the RPC.
  *
- * Returns: bytes read if successful; otherwise -1 and @error is set.
+ * Returns: bytes read if successful; otherwise 0 or -1.
  */
 ssize_t
 _mongoc_buffer_try_append_from_stream (mongoc_buffer_t *buffer,
                                        mongoc_stream_t *stream,
                                        size_t size,
-                                       int32_t timeout_msec,
-                                       bson_error_t *error)
+                                       int32_t timeout_msec)
 {
    uint8_t *buf;
    ssize_t ret;