[gtksourceview] bufferoutputstream: add profiling support for write_fn

[Christian Hergert <chergert src gnome org>]

commit 4c7e6f93fdf68aec0eb9ebdd3f664b88646e38c8
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 1 13:27:55 2022 -0700

    bufferoutputstream: add profiling support for write_fn
    
    This just lets us see a bit more about what is going on during write
    operations as they pass through the streams. This can be useful as the
    stream writing is synchronous and performed on the UI thread generally.

 gtksourceview/gtksourcebufferoutputstream.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)
---
diff --git a/gtksourceview/gtksourcebufferoutputstream.c b/gtksourceview/gtksourcebufferoutputstream.c
index 9d33ffaa..730e03a6 100644
--- a/gtksourceview/gtksourcebufferoutputstream.c
+++ b/gtksourceview/gtksourcebufferoutputstream.c
@@ -889,13 +889,16 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
        gchar *text;
        gsize len;
        gboolean freetext = FALSE;
+       gssize ret = -1;
+
+       GTK_SOURCE_PROFILER_BEGIN_MARK
 
        ostream = GTK_SOURCE_BUFFER_OUTPUT_STREAM (stream);
 
        if (g_cancellable_set_error_if_cancelled (cancellable, error) ||
            ostream->source_buffer == NULL)
        {
-               return -1;
+               goto failure;
        }
 
        if (!ostream->is_initialized)
@@ -911,7 +914,7 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
                                             GTK_SOURCE_FILE_LOADER_ERROR_ENCODING_AUTO_DETECTION_FAILED,
                                             "It is not possible to detect the encoding automatically");
 
-                       return -1;
+                       goto failure;
                }
 
                /* Do not initialize iconv if we are not going to convert anything */
@@ -944,7 +947,7 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
                                g_free (from_charset);
                                g_clear_object (&ostream->charset_conv);
 
-                               return -1;
+                               goto failure;
                        }
 
                        g_free (from_charset);
@@ -1004,7 +1007,7 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
                                g_free (text);
                        }
 
-                       return -1;
+                       goto failure;
                }
 
                /* manage the previous conversion buffer */
@@ -1044,7 +1047,7 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
                                g_free (text);
                        }
 
-                       return -1;
+                       goto failure;
                }
 
                if (freetext)
@@ -1064,7 +1067,12 @@ gtk_source_buffer_output_stream_write (GOutputStream  *stream,
                g_free (text);
        }
 
-       return count;
+       ret = (gssize)count;
+
+failure:
+       GTK_SOURCE_PROFILER_END_MARK ("BufferOutputStream", "gtk_source_buffer_output_stream_write");
+
+       return ret;
 }
 
 static gboolean