Free newly created strings from g_markup_printf_escaped

Fixes also build with hardening flags:
• rssyl_update_feed.c:124:6: error: format not a string literal and no
  format arguments [-Werror=format-security]
• rssyl_update_feed.c:135:8: error: format not a string literal and no
  format arguments [-Werror=format-security]
• rssyl_update_feed.c:222:6: error: format not a string literal and no
  format arguments [-Werror=format-security]

diff --git a/src/plugins/rssyl/rssyl_update_feed.c b/src/plugins/rssyl/rssyl_update_feed.c
index 7f032fa..63b0c6f 100644 (file)
--- a/src/plugins/rssyl/rssyl_update_feed.c
+++ b/src/plugins/rssyl/rssyl_update_feed.c
@@ -118,10 +118,14 @@ void rssyl_fetch_feed(RFetchCtx *ctx, gboolean verbose)
        if( ctx->error != NULL ) {
                /* libcurl wasn't happy */
                debug_print("RSSyl: Error: %s\n", ctx->error);
-               if( verbose )
-                       alertpanel_error(g_markup_printf_escaped(C_("First parameter is URL, second is error text",
+               if( verbose ) {
+                       gchar *msg = g_markup_printf_escaped(
+                                       (const char *) C_("First parameter is URL, second is error text",
                                                "Error fetching feed at\n<b>%s</b>:\n\n%s"),
-                                       feed_get_url(ctx->feed), ctx->error));
+                                       feed_get_url(ctx->feed), ctx->error);
+                       alertpanel_error("%s", msg);
+                       g_free(msg);
+               }
 
                log_error(LOG_PROTOCOL, RSSYL_LOG_ERROR_FETCH, ctx->feed->url, ctx->error);
 
@@ -130,9 +134,13 @@ void rssyl_fetch_feed(RFetchCtx *ctx, gboolean verbose)
                if( feed_get_title(ctx->feed) == NULL ) {
                        /* libcurl was happy, but libfeed wasn't */
                        debug_print("RSSyl: Error reading feed\n");
-                       if( verbose )
-                               alertpanel_error(g_markup_printf_escaped(_("No valid feed found at\n<b>%s</b>"),
-                                                       feed_get_url(ctx->feed)));
+                       if( verbose ) {
+                               gchar *msg = g_markup_printf_escaped(
+                                               (const char *) _("No valid feed found at\n<b>%s</b>"),
+                                               feed_get_url(ctx->feed));
+                               alertpanel_error("%s", msg);
+                               g_free(msg);
+                       }
 
                        log_error(LOG_PROTOCOL, RSSYL_LOG_ERROR_NOFEED,
                                        feed_get_url(ctx->feed));
@@ -217,9 +225,14 @@ gboolean rssyl_update_feed(RFolderItem *ritem, gboolean verbose)
   if( ctx->success && !(ctx->success = rssyl_parse_feed(ritem, ctx->feed)) ) {
                /* both libcurl and libfeed were happy, but we weren't */
                debug_print("RSSyl: Error processing feed\n");
-               if( verbose )
-                       alertpanel_error(g_markup_printf_escaped(_("Couldn't process feed at\n<b>%s</b>\n\nPlease contact developers, this should not happen."),
-                                       feed_get_url(ctx->feed)));
+               if( verbose ) {
+                       gchar *msg = g_markup_printf_escaped(
+                                       (const char *) _("Couldn't process feed at\n<b>%s</b>\n\n"
+                                               "Please contact developers, this should not happen."),
+                                       feed_get_url(ctx->feed));
+                       alertpanel_error("%s", msg);
+                       g_free(msg);
+               }
 
                log_error(LOG_PROTOCOL, RSSYL_LOG_ERROR_PROC, ctx->feed->url);
        }