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ws: fix type conversion check

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- Fix logic that checks whether a size_t will fit in a curl_off_t.

Reported-by: Viktor Szakats

Fixes https://github.com/curl/curl/issues/19017
Closes https://github.com/curl/curl/pull/19036
This commit is contained in:
Jay Satiro 2025-10-12 18:35:22 -04:00
parent fe06127ded
commit 97ae9ec8ef
1 changed files with 2 additions and 2 deletions
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4
lib/ws.c
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@ -654,8 +654,8 @@ static curl_off_t ws_payload_remain(curl_off_t payload_total,
curl_off_t remain = payload_total - payload_offset;
if((payload_total < 0) || (payload_offset < 0) || (remain < 0))
return -1;
#if SIZEOF_OFF_T <= SIZEOF_SIZE_T
if((curl_off_t)payload_buffered < 0)
#if SIZEOF_SIZE_T >= SIZEOF_CURL_OFF_T
if(payload_buffered > (size_t)CURL_OFF_T_MAX)
return -1;
#endif
if(remain < (curl_off_t)payload_buffered)