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

Git fork

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>

authored by

Johannes Schindelin and committed by

Junio C Hamano 5 months ago 580cf0f2 e4efcd70

+1 -1

1 changed file

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unified split

imap-send.c

+1 -1

imap-send.c

··· 1475 1475 lf_to_crlf(&msgbuf.buf); 1476 1476 1477 1477 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, 1478 - (curl_off_t)(msgbuf.buf.len-prev_len)); 1478 + cast_size_t_to_curl_off_t(msgbuf.buf.len-prev_len)); 1479 1479 1480 1480 res = curl_easy_perform(curl); 1481 1481