From c7520629b0d655bde1db9cbe0012f91502265b5d Mon Sep 17 00:00:00 2001
From: James Bursa <james@netsurf-browser.org>
Date: Wed, 16 Jul 2003 17:38:46 +0000
Subject: [project @ 2003-07-16 17:38:46 by bursa] Make fetchcache return 0 on
 failure to parse URL.

svn path=/import/netsurf/; revision=225
---
 content/content.c    | 12 +++++++++---
 content/fetch.c      |  5 ++++-
 content/fetchcache.c |  6 ++++++
 3 files changed, 19 insertions(+), 4 deletions(-)

(limited to 'content')

diff --git a/content/content.c b/content/content.c
index 2c7f5d00e..253caea16 100644
--- a/content/content.c
+++ b/content/content.c
@@ -121,6 +121,7 @@ struct content * content_create(char *url)
 	c->url = xstrdup(url);
 	c->type = CONTENT_UNKNOWN;
 	c->status = CONTENT_STATUS_TYPE_UNKNOWN;
+	c->cache = 0;
 	c->size = sizeof(struct content);
 	c->fetch = 0;
 	strcpy(c->status_message, "Loading");
@@ -178,6 +179,8 @@ void content_convert(struct content *c, unsigned long width, unsigned long heigh
 	if (handler_map[c->type].convert(c, width, height)) {
 		/* convert failed, destroy content */
 		content_broadcast(c, CONTENT_MSG_ERROR, "Conversion failed");
+		if (c->cache)
+			cache_destroy(c);
 		content_destroy(c);
 		return;
 	}
@@ -305,10 +308,13 @@ void content_remove_user(struct content *c,
 		if (c->fetch != 0)
 			fetch_abort(c->fetch);
 		if (c->status < CONTENT_STATUS_READY) {
-			cache_destroy(c);
+			if (c->cache)
+				cache_destroy(c);
 			content_destroy(c);
-		} else
-			cache_freeable(c);
+		} else {
+			if (c->cache)
+				cache_freeable(c);
+		}
 	}
 }
 
diff --git a/content/fetch.c b/content/fetch.c
index 3b057c266..330f68d3b 100644
--- a/content/fetch.c
+++ b/content/fetch.c
@@ -119,7 +119,10 @@ struct fetch * fetch_start(char *url, char *referer,
 	LOG(("fetch %p, url '%s'", fetch, url));
 
 	uri = xmlParseURI(url);
-	assert(uri != 0);
+	if (uri == 0) {
+		LOG(("warning: failed to parse url"));
+		return 0;
+	}
 
 	/* construct a new fetch structure */
 	fetch->start_time = time(0);
diff --git a/content/fetchcache.c b/content/fetchcache.c
index 844111376..99686efe0 100644
--- a/content/fetchcache.c
+++ b/content/fetchcache.c
@@ -46,6 +46,12 @@ struct content * fetchcache(const char *url0, char *referer,
 	c->width = width;
 	c->height = height;
 	c->fetch = fetch_start(url, referer, fetchcache_callback, c);
+	if (c->fetch == 0) {
+		LOG(("warning: fetch_start failed"));
+		cache_destroy(c);
+		content_destroy(c);
+		return 0;
+	}
 	return c;
 }
 
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