[PATCH] debuginfod-client.c: Fix download size not correctly fallbacks to x-debuginfod-size header

[lilydjwg@gmail.com]

From: lilydjwg <lilydjwg@gmail.com>

Currently when the debuginfod server doesn't set Content-Length but set
x-debuginfod-size header, it's ignored and the progressfn doesn't know
the total size.

This happens for me with Arch Linux's debuginfod server and gdb.

The reason is that when Content-Length is unavailable, cl is set to -1
by curl but dl_size remains as 0, but later dl_size == -1 is checked.

Signed-off-by: lilydjwg <lilydjwg@gmail.com>
---
 ChangeLog                      | 5 +++++
 debuginfod/debuginfod-client.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 10c23002..05697a02 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2023-03-29  lilydjwg  <lilydjwg@gmail.com>
+
+	* debuginfod/debuginfod-client.c: Fix download size not correctly
+	fallbacks to x-debuginfod-size header
+
 2023-03-03  Mark Wielaard  <mark@klomp.org>
 
 	* NEWS: Add ELFCOMPRESS_ZSTD support for libelf and elfcompress.
diff --git a/debuginfod/debuginfod-client.c b/debuginfod/debuginfod-client.c
index b33408eb..e494adec 100644
--- a/debuginfod/debuginfod-client.c
+++ b/debuginfod/debuginfod-client.c
@@ -1479,7 +1479,7 @@ debuginfod_query_server (debuginfod_client *c,
           curl_res = curl_easy_getinfo(target_handle,
                                        CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
                                        &cl);
-          if (curl_res == CURLE_OK && cl >= 0)
+          if (curl_res == CURLE_OK)
             dl_size = (cl > LONG_MAX ? LONG_MAX : (long)cl);
 #else
           double cl;
-- 
2.40.0