Follow changes in c_glib, fix Doxygen warning

c_glib/arrow-glib/input-stream.cpp

@@ -24,6 +24,7 @@
 #include <arrow/io/interfaces.h>
 #include <arrow/io/memory.h>
 #include <arrow/ipc/reader.h>
+#include <arrow/util/string_view.h>
 
 #include <arrow-glib/buffer.hpp>
 #include <arrow-glib/codec.hpp>
@@ -397,12 +398,20 @@ garrow_seekable_input_stream_read_at(GArrowSeekableInputStream *input_stream,
  */
 GBytes *
 garrow_seekable_input_stream_peek(GArrowSeekableInputStream *input_stream,
-                                  gint64 n_bytes)
+                                  gint64 n_bytes,
+                                  GError **error)
 {
   auto arrow_random_access_file =
     garrow_seekable_input_stream_get_raw(input_stream);
-  auto string_view = arrow_random_access_file->Peek(n_bytes);
-  return g_bytes_new_static(string_view.data(), string_view.size());
+
+  arrow::util::string_view view;
+  auto status = arrow_random_access_file->Peek(n_bytes, &view);
+
+  if (garrow_error_check(error, status, "[seekable-input-stream][peek]")) {
+    return g_bytes_new_static(view.data(), view.size());
+  } else {
+    return NULL;
+  }
 }
 
 

c_glib/arrow-glib/input-stream.h

@@ -68,7 +68,8 @@ GArrowBuffer *garrow_seekable_input_stream_read_at(GArrowSeekableInputStream *in
                                                    GError **error);
 GARROW_AVAILABLE_IN_0_12
 GBytes *garrow_seekable_input_stream_peek(GArrowSeekableInputStream *input_stream,
-                                          gint64 n_bytes);
+                                          gint64 n_bytes,
+                                          GError **error);
 
 
 #define GARROW_TYPE_BUFFER_INPUT_STREAM         \

cpp/src/arrow/io/interfaces.h

@@ -128,7 +128,8 @@ class ARROW_EXPORT InputStream : virtual public FileInterface, virtual public Re
   /// returns 0-length string_view. May trigger buffering if the
   /// requested size is larger than the number of buffered bytes
   /// \param[in] nbytes the maximum number of bytes to see
-  /// \return arrow::util::string_view
+  /// \param[out] out the returned arrow::util::string_view
+  /// \return Status
   virtual Status Peek(int64_t nbytes, util::string_view* out);
 
   /// \brief Return true if InputStream is capable of zero copy Buffer reads