[PATCH trivial] block/curl: drop old/unuspported curl version checks

[PATCH trivial] block/curl: drop old/unuspported curl version checks

[Michael Tokarev]

We currently require libcurl >=7.29.0.  Drop older LIBCURL_VERSION_NUM
checks from the driver.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 block/curl.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/block/curl.c b/block/curl.c
index 00b949ea45..444f258ea3 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -516,7 +516,7 @@ static int curl_init_state(BDRVCURLState *s, CURLState *state)
                              CURLOPT_REDIR_PROTOCOLS_STR, PROTOCOLS)) {
             goto err;
         }
-#elif LIBCURL_VERSION_NUM >= 0x071304
+#else
         if (curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS) ||
             curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS)) {
             goto err;
@@ -821,22 +821,11 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
         goto out;
     }
 #endif
-    /* Prior CURL 7.19.4 return value of 0 could mean that the file size is not
-     * know or the size is zero. From 7.19.4 CURL returns -1 if size is not
-     * known and zero if it is really zero-length file. */
-#if LIBCURL_VERSION_NUM >= 0x071304
-    if (cl < 0) {
-        pstrcpy(state->errmsg, CURL_ERROR_SIZE,
-                "Server didn't report file size.");
-        goto out;
-    }
-#else
     if (cl <= 0) {
         pstrcpy(state->errmsg, CURL_ERROR_SIZE,
                 "Unknown file size or zero-length file.");
         goto out;
     }
-#endif
 
     s->len = cl;
 
-- 
2.47.2

Re: [PATCH trivial] block/curl: drop old/unuspported curl version checks

[Markus Armbruster]

Michael Tokarev <mjt@tls.msk.ru> writes:

> We currently require libcurl >=7.29.0.  Drop older LIBCURL_VERSION_NUM
> checks from the driver.
>
> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
> ---
>  block/curl.c | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/block/curl.c b/block/curl.c
> index 00b949ea45..444f258ea3 100644
> --- a/block/curl.c
> +++ b/block/curl.c
> @@ -516,7 +516,7 @@ static int curl_init_state(BDRVCURLState *s, CURLState *state)
>                               CURLOPT_REDIR_PROTOCOLS_STR, PROTOCOLS)) {
>              goto err;
>          }
> -#elif LIBCURL_VERSION_NUM >= 0x071304
> +#else
>          if (curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS) ||
>              curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS)) {
>              goto err;
> @@ -821,22 +821,11 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
>          goto out;
>      }
>  #endif
> -    /* Prior CURL 7.19.4 return value of 0 could mean that the file size is not
> -     * know or the size is zero. From 7.19.4 CURL returns -1 if size is not
> -     * known and zero if it is really zero-length file. */
> -#if LIBCURL_VERSION_NUM >= 0x071304

This is the version for new libcurl.

> -    if (cl < 0) {
> -        pstrcpy(state->errmsg, CURL_ERROR_SIZE,
> -                "Server didn't report file size.");
> -        goto out;
> -    }
> -#else

This is the version for old libcurl.

>      if (cl <= 0) {
>          pstrcpy(state->errmsg, CURL_ERROR_SIZE,
>                  "Unknown file size or zero-length file.");
>          goto out;
>      }
> -#endif

Am I confused or does your patch keep the wrong version?

>  
>      s->len = cl;

Re: [PATCH trivial] block/curl: drop old/unuspported curl version checks

[Michael Tokarev]

On 25.08.2025 11:22, Markus Armbruster wrote:

> Am I confused or does your patch keep the wrong version?

It's the latter ;)

Thank you for the review!  I'll send a v2 soon.

/mjt