imap-send: be more careful when casting to `curl_off_t`

When casting a `size_t` to `curl_off_t`, there is a currently uncommon chance that the value can be cut off (`curl_off_t` is expected to be a signed 64-bit data type). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Johannes Schindelin committed Sep 26, 2025 at 10:32 UTC 580cf0f2f6d38221fc4c5f17155c311915301a5c
1 file changed +1 -1
imap-send.c
+1 -1
index 2e812f5a6e..29dc86ff27 100644 --- a/imap-send.c +++ b/imap-send.c @@ -1475,7 +1475,7 @@ static int curl_append_msgs_to_imap(struct imap_server_conf *server, lf_to_crlf(&msgbuf.buf); curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, - (curl_off_t)(msgbuf.buf.len-prev_len)); + cast_size_t_to_curl_off_t(msgbuf.buf.len-prev_len)); res = curl_easy_perform(curl);