From: "Richard W.M. Jones" <[email protected]>

curl_easy_setopt takes a variable argument that depends on what
CURLOPT you are setting.  Some require a long constant.  Passing a
plain int constant is potentially wrong on some platforms.

With warnings enabled, multiple warnings like this were printed:

../block/curl.c: In function ‘curl_init_state’:
../block/curl.c:474:13: warning: call to ‘_curl_easy_setopt_err_long’ declared 
with attribute warning: curl_easy_setopt expects a long argument 
[-Wattribute-warning]
  474 |             curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1) ||
      |             ^

Signed-off-by: Richard W.M. Jones <[email protected]>
Signed-off-by: Chenxi Mao <[email protected]>
Reviewed-by: Daniel P. Berrangé <[email protected]>
Reviewed-by: Akihiko Odaki <[email protected]>
Reviewed-by: Thomas Huth <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
Message-ID: <[email protected]>
(cherry picked from commit ed26056d90ddff21351f3efd2cb47fea4f0e1d45)
Signed-off-by: Michael Tokarev <[email protected]>

diff --git a/block/curl.c b/block/curl.c
index 00b949ea45..1102a3aa2f 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -471,11 +471,11 @@ static int curl_init_state(BDRVCURLState *s, CURLState 
*state)
                              (void *)curl_read_cb) ||
             curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state) ||
             curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state) ||
-            curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1) ||
-            curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1) ||
-            curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1) ||
+            curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1L) ||
+            curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1L) ||
+            curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1L) ||
             curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg) 
||
-            curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1)) {
+            curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1L)) {
             goto err;
         }
         if (s->username) {
@@ -800,7 +800,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, 
int flags,
     }
 
     s->accept_range = false;
-    if (curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1) ||
+    if (curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1L) ||
         curl_easy_setopt(state->curl, CURLOPT_HEADERFUNCTION, curl_header_cb) 
||
         curl_easy_setopt(state->curl, CURLOPT_HEADERDATA, s)) {
         pstrcpy(state->errmsg, CURL_ERROR_SIZE,
diff --git a/contrib/elf2dmp/download.c b/contrib/elf2dmp/download.c
index 21306b3fd4..fa8da0f9a2 100644
--- a/contrib/elf2dmp/download.c
+++ b/contrib/elf2dmp/download.c
@@ -27,8 +27,8 @@ bool download_url(const char *name, const char *url)
     if (curl_easy_setopt(curl, CURLOPT_URL, url) != CURLE_OK
             || curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, NULL) != CURLE_OK
             || curl_easy_setopt(curl, CURLOPT_WRITEDATA, file) != CURLE_OK
-            || curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1) != CURLE_OK
-            || curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0) != CURLE_OK
+            || curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L) != CURLE_OK
+            || curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L) != CURLE_OK
             || curl_easy_perform(curl) != CURLE_OK) {
         unlink(name);
         fclose(file);
-- 
2.47.3


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