Rocco Rutte:

[apps/madmutt.git] / nntp / newsrc.c

diff --git a/nntp/newsrc.c b/nntp/newsrc.c
index ef9537e..28a6d8b 100644 (file)
--- a/nntp/newsrc.c
+++ b/nntp/newsrc.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdlib.h>
+#include <libgen.h>
 #include <sys/stat.h>
 
 void nntp_add_to_list (NNTP_SERVER * s, NNTP_DATA * d)
@@ -337,6 +338,8 @@ NNTP_SERVER *mutt_select_newsserver (char *server)
   NNTP_SERVER *serv;
   CONNECTION *conn;
 
+  memset (&acct, 0, sizeof (ACCOUNT));
+
   if (!server || !*server) {
     mutt_error _("No newsserver defined!");
 
@@ -632,9 +635,9 @@ static int mutt_update_list_file (char *filename, char *section,
   FILE *ifp;
   FILE *ofp;
   char buf[HUGE_STRING];
-  char tmpfile[_POSIX_PATH_MAX];
+  char tmpfile[_POSIX_PATH_MAX], link[_POSIX_PATH_MAX];
   char *c;
-  int ext = 0, done = 0, r = 0;
+  int ext = 0, done = 0, r = 0, l = 0;
 
   /* if file not exist, create it */
   if ((ifp = safe_fopen (filename, "a")))
@@ -649,7 +652,14 @@ static int mutt_update_list_file (char *filename, char *section,
     mutt_error (_("Unable to lock %s"), filename);
     return -1;
   }
-  snprintf (tmpfile, sizeof(tmpfile), "%s.tmp", filename);
+  /* use mutt_adv_mktemp() to get a tempfile in the same
+   * directory as filename is so that we can follow symlinks
+   * via rename(2); as dirname(2) may modify its argument,
+   * temporarily use buf as copy of it
+   */
+  strncpy (buf, filename, sizeof (buf));
+  strncpy (tmpfile, basename (filename), sizeof (tmpfile));
+  mutt_adv_mktemp ((const char*) dirname (buf), tmpfile, sizeof (tmpfile));
   debug_print (1, ("Opening %s\n", tmpfile));
   if (!(ofp = fopen (tmpfile, "w"))) {
     fclose (ifp);
@@ -721,9 +731,13 @@ static int mutt_update_list_file (char *filename, char *section,
     mutt_error (_("Can't write %s"), tmpfile);
     return -1;
   }
-  if (rename (tmpfile, filename) < 0) {
+  link[0] = '\0';
+  if ((l = readlink (filename, link, sizeof (link)-1)) > 0)
+    link[l] = '\0';
+  debug_print (1, ("Renaming %s to %s\n",tmpfile, l > 0 ? link : filename));
+  if (rename (tmpfile, l > 0 ? link : filename) < 0) {
     unlink (tmpfile);
-    mutt_error (_("Can't rename %s to %s"), tmpfile, filename);
+    mutt_error (_("Can't rename %s to %s"), tmpfile, l > 0 ? link : filename);
     return -1;
   }
   return 0;
@@ -1065,26 +1079,50 @@ NNTP_DATA *mutt_newsgroup_uncatchup (NNTP_SERVER * news, char *group)
 }
 
 /* this routine gives the first newsgroup with new messages */
-void nntp_buffy (char *s)
-{
+void nntp_buffy (char* dst, size_t dstlen) {
   LIST *list;
+  int count = 0;
 
+  /* forward to current group */
   for (list = CurrentNewsSrv->list; list; list = list->next) {
     NNTP_DATA *data = (NNTP_DATA *) list->data;
+    if (data && data->subscribed && data->unread && 
+        Context && Context->magic == M_NNTP &&
+        str_cmp (data->group, ((NNTP_DATA *) Context->data)->group) == 0) {
+      list = list->next;
+      break;
+    }
+  }
+
+  *dst = '\0';
 
-    if (data && data->subscribed && data->unread) {
-      if (Context && Context->magic == M_NNTP &&
-          !str_cmp (data->group, ((NNTP_DATA *) Context->data)->group)) {
-        unsigned int i, unread = 0;
+  while (count < 2) {
 
-        for (i = 0; i < Context->msgcount; i++)
-          if (!Context->hdrs[i]->read && !Context->hdrs[i]->deleted)
-            unread++;
-        if (!unread)
-          continue;
+    if (!list)
+      list = CurrentNewsSrv->list;
+
+    for (; list; list = list->next) {
+      NNTP_DATA *data = (NNTP_DATA *) list->data;
+
+      if (data && data->subscribed && data->unread) {
+        if (Context && Context->magic == M_NNTP &&
+            !str_cmp (data->group, ((NNTP_DATA *) Context->data)->group)) {
+          unsigned int i, unread = 0;
+
+          for (i = 0; i < Context->msgcount; i++)
+            if (!Context->hdrs[i]->read && !Context->hdrs[i]->deleted)
+              unread++;
+          if (!unread)
+            continue;
+        }
+        strncpy (dst, data->group, dstlen);
+        break;
       }
-      strcpy (s, data->group);
-      break;
     }
+    /* done if found */
+    if (dst && *dst)
+      return;
+    count++;
   }
+  *dst = '\0';
 }