From 1d82485e0277efce7a74c579584a588f681c7c89 Mon Sep 17 00:00:00 2001
From: Art Cancro <ajc@uncensored.citadel.org>
Date: Tue, 7 Jun 2011 00:15:52 -0400
Subject: [PATCH] feed generator: read entire message into memory first.  This
 will allow us to do decision making before output begins.

---
 webcit/feed_generator.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/webcit/feed_generator.c b/webcit/feed_generator.c
index 25af56e71..648309cc4 100644
--- a/webcit/feed_generator.c
+++ b/webcit/feed_generator.c
@@ -26,26 +26,34 @@
  * RSS feed generator -- do one message
  */
 void feed_rss_one_message(long msgnum) {
-	char buf[1024];
 	int in_body = 0;
 	int in_messagetext = 0;
 	int found_title = 0;
 	int found_guid = 0;
 	char pubdate[128];
 	StrBuf *messagetext = NULL;
+	int is_top_level_post = 1;
+	const char *BufPtr = NULL;
+	StrBuf *Line = NewStrBufPlain(NULL, 1024);
+	char buf[1024];
 
 	/* FIXME if this is a blog room we only want to include top-level messages */
 
 	serv_printf("MSG4 %ld", msgnum);
 	serv_getln(buf, sizeof buf);
 	if (buf[0] != '1') return;
+	StrBuf *ServerResponse = NewStrBuf();
+	while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+		StrBufAppendPrintf(ServerResponse, "%s\n", buf);
+	}
 
 	wc_printf("<item>");
 	wc_printf("<link>%s/readfwd?go=", ChrPtr(site_prefix));
 	urlescputs(ChrPtr(WC->CurRoom.name));
 	wc_printf("?start_reading_at=%ld</link>", msgnum);
 
-	while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+	while (StrBufSipLine(Line, ServerResponse, &BufPtr), ((BufPtr!=StrBufNOTNULL)&&(BufPtr!=NULL)) ) {
+		safestrncpy(buf, ChrPtr(Line), sizeof buf);
 		if (in_body) {
 			if (in_messagetext) {
 				StrBufAppendBufPlain(messagetext, buf, -1, 0);
@@ -71,6 +79,9 @@ void feed_rss_one_message(long msgnum) {
 			http_datestring(pubdate, sizeof pubdate, atol(&buf[5]));
 			wc_printf("<pubDate>%s</pubDate>", pubdate);
 		}
+		else if (!strncasecmp(buf, "wefw=", 5)) {
+			is_top_level_post = 0;	/* presence of references means it's a reply/comment */
+		}
 		else if (!strncasecmp(buf, "text", 4)) {
 			if (!found_title) {
 				wc_printf("<title>Message #%ld</title>", msgnum);
@@ -94,6 +105,9 @@ void feed_rss_one_message(long msgnum) {
 	}
 
 	wc_printf("</item>");
+	FreeStrBuf(&Line);
+	FreeStrBuf(&ServerResponse);
+	return;
 }
 
 /*
-- 
2.39.2