- Gabriel Kuri reported a problem with CURLINFO_CONTENT_LENGTH_DOWNLOAD if the

  download was 0 bytes, as libcurl would then return the size as unknown (-1)
  and not 0. I wrote a fix and test case 566 to verify it.

CHANGES

@@ -6,6 +6,11 @@
 
                                   Changelog
 
+Daniel Stenberg (31 Oct 2009)
+- Gabriel Kuri reported a problem with CURLINFO_CONTENT_LENGTH_DOWNLOAD if the
+  download was 0 bytes, as libcurl would then return the size as unknown (-1)
+  and not 0. I wrote a fix and test case 566 to verify it.
+
 Daniel Stenberg (30 Oct 2009)
 - Liza Alenchery mentioned a problem with re-used SCP connection when a bad
   auth is used, as it caused a crash. I failed to repeat the issue, but still

RELEASE-NOTES

@@ -44,6 +44,7 @@ This release includes the following bugfixes:
  o unparsable cookie expire dates make cookies get treated as session coookies
  o POST with Digest authentication and "Transfer-Encoding: chunked"
  o SCP connection re-use with wrong auth
+ o CURLINFO_CONTENT_LENGTH_DOWNLOAD for 0 bytes transfers
 
 This release includes the following known bugs:
 
@@ -57,6 +58,6 @@ advice from friends like these:
  Claes Jakobsson, Sven Anders, Chris Mumford, John P. McCaskey,
  Constantine Sapuntzakis, Michael Stillwell, Tom Mueller, Dan Fandrich,
  Kevin Baughman, John Dennis, Ray Dassen, Johan van Selst, Dima Barsky,
- Liza Alenchery
+ Liza Alenchery, Gabriel Kuri
 
         Thanks! (and sorry if I forgot to mention someone)

lib/progress.c

@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -211,7 +211,7 @@ void Curl_pgrsSetUploadCounter(struct SessionHandle *data, curl_off_t size)
 void Curl_pgrsSetDownloadSize(struct SessionHandle *data, curl_off_t size)
 {
   data->progress.size_dl = size;
-  if(size > 0)
+  if(size >= 0)
     data->progress.flags |= PGRS_DL_SIZE_KNOWN;
   else
     data->progress.flags &= ~PGRS_DL_SIZE_KNOWN;
@@ -220,7 +220,7 @@ void Curl_pgrsSetDownloadSize(struct SessionHandle *data, curl_off_t size)
 void Curl_pgrsSetUploadSize(struct SessionHandle *data, curl_off_t size)
 {
   data->progress.size_ul = size;
-  if(size > 0)
+  if(size >= 0)
     data->progress.flags |= PGRS_UL_SIZE_KNOWN;
   else
     data->progress.flags &= ~PGRS_UL_SIZE_KNOWN;

tests/libtest/lib566.c

@@ -17,7 +17,7 @@ int test(char *URL)
   CURLcode res;
   CURL *curl;
 
-  long content_length;
+  double content_length = 3;
 
   if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
     fprintf(stderr, "curl_global_init() failed\n");
@@ -41,7 +41,7 @@ int test(char *URL)
                             &content_length);
     moo = fopen(libtest_arg2, "wb");
     if(moo) {
-      fprintf(moo, "CL: %ld\n", content_length);
+      fprintf(moo, "CL: %.0f\n", content_length);
       fclose(moo);
     }
   }