split out blank handler for about scheme

content/fetchers/about/Makefile

@@ -1,6 +1,6 @@
 # about fetcher sources
 
-S_FETCHER_ABOUT := about.c imagecache.c
+S_FETCHER_ABOUT := about.c imagecache.c blank.c
 
 # The following files depend on the testament
 content/fetchers/about/about.c: testament $(OBJROOT)/testament.h

content/fetchers/about/about.c

@@ -49,6 +49,7 @@
 #include "desktop/system_colour.h"
 
 #include "private.h"
+#include "blank.h"
 #include "imagecache.h"
 #include "about.h"
 
@@ -235,40 +236,6 @@ static bool fetch_about_srverror(struct fetch_about_context *ctx)
 }
 
 
-/**
- * Handler to generate about scheme cache page.
- *
- * \param ctx The fetcher context.
- * \return true if handled false if aborted.
- */
-static bool fetch_about_blank_handler(struct fetch_about_context *ctx)
-{
-	fetch_msg msg;
-	const char buffer[2] = { ' ', '\0' };
-
-	/* content is going to return ok */
-	fetch_set_http_code(ctx->fetchh, 200);
-
-	/* content type */
-	if (fetch_about_send_header(ctx, "Content-Type: text/html"))
-		goto fetch_about_blank_handler_aborted;
-
-	msg.type = FETCH_DATA;
-	msg.data.header_or_data.buf = (const uint8_t *) buffer;
-	msg.data.header_or_data.len = strlen(buffer);
-
-	if (fetch_about_send_callback(&msg, ctx))
-		goto fetch_about_blank_handler_aborted;
-
-	msg.type = FETCH_FINISHED;
-
-	fetch_about_send_callback(&msg, ctx);
-
-	return true;
-
-fetch_about_blank_handler_aborted:
-	return false;
-}
 
 
 /**

content/fetchers/about/blank.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf.
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * content generator for the about scheme blank page
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "netsurf/types.h"
+#include "utils/errors.h"
+
+#include "private.h"
+#include "blank.h"
+
+/**
+ * Handler to generate about scheme cache page.
+ *
+ * \param ctx The fetcher context.
+ * \return true if handled false if aborted.
+ */
+bool fetch_about_blank_handler(struct fetch_about_context *ctx)
+{
+	const char buffer[2] = { ' ', '\0' };
+
+	/* content is going to return ok */
+	fetch_about_set_http_code(ctx, 200);
+
+	/* content type */
+	if (fetch_about_send_header(ctx, "Content-Type: text/html"))
+		goto fetch_about_blank_handler_aborted;
+
+	fetch_about_senddata(ctx, (const uint8_t *) buffer, strlen(buffer));
+
+	fetch_about_send_finished(ctx);
+
+	return true;
+
+fetch_about_blank_handler_aborted:
+	return false;
+}

content/fetchers/about/blank.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf.
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * about scheme blank handler interface
+ */
+
+#ifndef NETSURF_CONTENT_FETCHERS_ABOUT_BLANK_H
+#define NETSURF_CONTENT_FETCHERS_ABOUT_BLANK_H
+
+/**
+ * Handler to generate about scheme blank page.
+ *
+ * \param ctx The fetcher context.
+ * \return true if handled false if aborted.
+ */
+bool fetch_about_blank_handler(struct fetch_about_context *ctx);
+
+#endif