From: Micah Cowan <micah@cowan.name>
Date: Thu, 13 Nov 2008 08:59:53 +0000 (-0800)
Subject: Don't download content just to ignore it.
X-Git-Tag: v1.13~373^2
X-Git-Url: http://sjero.net/git/?p=wget;a=commitdiff_plain;h=c7f74c62d3e518387a8eaa51011ec83259440105

Don't download content just to ignore it.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 736a90e0..99cd940c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2008-11-13  Micah Cowan  <micah@cowan.name>
+
+	* http.c (gethttp): Don't do anything when content-length >= our
+	requested range.
+
 2008-11-12  Micah Cowan  <micah@cowan.name>
 
 	* ftp-ls.c (ftp_index): HTML-escape dir name in title, h1, a:href.
diff --git a/src/http.c b/src/http.c
index 0866f922..cd0dba85 100644
--- a/src/http.c
+++ b/src/http.c
@@ -2148,11 +2148,15 @@ File %s already there; not retrieving.\n\n"), quote (hs->local_file));
         }
     }
 
-  if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE)
+  if (statcode == HTTP_STATUS_RANGE_NOT_SATISFIABLE
+      || (hs->restval > 0 && statcode == HTTP_STATUS_OK
+          && contrange == 0 && hs->restval >= contlen)
+     )
     {
       /* If `-c' is in use and the file has been fully downloaded (or
          the remote file has shrunk), Wget effectively requests bytes
-         after the end of file and the server response with 416.  */
+         after the end of file and the server response with 416
+         (or 200 with a <= Content-Length.  */
       logputs (LOG_VERBOSE, _("\
 \n    The file is already fully retrieved; nothing to do.\n\n"));
       /* In case the caller inspects. */