Handle zero-length legacy netconfig files correctly (just delete them)

[citadel.git] / citadel / modules / rssclient / serv_rssclient.c

diff --git a/citadel/modules/rssclient/serv_rssclient.c b/citadel/modules/rssclient/serv_rssclient.c
index 697b63b47b986111ca86f2e88609010b90e09f9b..acae637871a5830a0b3aac56ead9ab2662b36738 100644 (file)
--- a/citadel/modules/rssclient/serv_rssclient.c
+++ b/citadel/modules/rssclient/serv_rssclient.c
@@ -1,7 +1,7 @@
 /*
  * Bring external RSS feeds into rooms.
  *
- * Copyright (c) 2007-2015 by the citadel.org team
+ * Copyright (c) 2007-2016 by the citadel.org team
  *
  * This program is open source software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3.
@@ -375,20 +375,25 @@ int rss_format_item(AsyncIO *IO, networker_save_message *SaveMsg)
                StrBufSpaceToBlank(SaveMsg->title);
                len = StrLength(SaveMsg->title);
                Sbj = html_to_ascii(ChrPtr(SaveMsg->title), len, 512, 0);
-               len = strlen(Sbj);
-               if ((len > 0) && (Sbj[len - 1] == '\n'))
-               {
-                       len --;
-                       Sbj[len] = '\0';
-               }
-               Encoded = NewStrBufPlain(Sbj, len);
-               free(Sbj);
-
-               StrBufTrim(Encoded);
-               StrBufRFC2047encode(&QPEncoded, Encoded);
+               if (!IsEmptyStr(Sbj)) {
+                       len = strlen(Sbj);
+                       if ((Sbj[len - 1] == '\n'))
+                       {
+                               len --;
+                               Sbj[len] = '\0';
+                       }
+                       Encoded = NewStrBufPlain(Sbj, len);
+               
 
-               CM_SetAsFieldSB(&SaveMsg->Msg, eMsgSubject, &QPEncoded);
-               FreeStrBuf(&Encoded);
+                       StrBufTrim(Encoded);
+                       StrBufRFC2047encode(&QPEncoded, Encoded);
+                       
+                       CM_SetAsFieldSB(&SaveMsg->Msg, eMsgSubject, &QPEncoded);
+                       FreeStrBuf(&Encoded);
+               }
+               if (Sbj != NULL) {
+                       free(Sbj);
+               }
        }
        if (SaveMsg->link == NULL)
                SaveMsg->link = NewStrBufPlain(HKEY(""));
@@ -502,9 +507,9 @@ eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO)
 
 void UpdateLastKnownGood(pRSSConfig *pCfg, time_t now)
 {
-       OneRoomNetCfg* pRNCfg;
+       OneRoomNetCfg *pRNCfg;
        begin_critical_section(S_NETCONFIGS);
-       pRNCfg = CtdlGetNetCfgForRoom (pCfg->QRnumber);
+       pRNCfg = CtdlGetNetCfgForRoom(pCfg->QRnumber);
        if (pRNCfg != NULL)
        {
                RSSCfgLine *RSSCfg = (RSSCfgLine *)pRNCfg->NetConfigs[rssclient];
@@ -523,6 +528,8 @@ void UpdateLastKnownGood(pRSSConfig *pCfg, time_t now)
                }
        }
 
+       SaveRoomNetConfigFile(pRNCfg, pCfg->QRnumber);
+       FreeRoomNetworkStruct(&pRNCfg);
        end_critical_section(S_NETCONFIGS);
 }
 
@@ -765,6 +772,8 @@ void rssclient_scan_room(struct ctdlroom *qrbuf, void *data, OneRoomNetCfg *OneR
        rss_aggregator *use_this_RSSAggr = NULL;
        void *vptr;
 
+       TRACE;
+
        pthread_mutex_lock(&RSSQueueMutex);
        if (GetHash(RSSQueueRooms, LKEY(qrbuf->QRnumber), &vptr))
        {