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imap-send: be more careful when casting to curl_off_t

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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>
This commit is contained in:
Johannes Schindelin
2025-09-26 10:32:51 +00:00
committed by Junio C Hamano
parent e4efcd7060
commit 580cf0f2f6
1 changed files with 1 additions and 1 deletions
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imap-send.c
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@@ -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);