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curl/docs/libcurl/opts/CURLOPT_FTP_RESPONSE_TIMEOUT.3
Daniel Stenberg 172ce9cc19
setopt: avoid integer overflows when setting millsecond values
... that are multiplied by 1000 when stored.

For 32 bit long systems, the max value accepted (2147483 seconds) is >
596 hours which is unlikely to ever be set by a legitimate application -
and previously it didn't work either, it just caused undefined behavior.

Also updated the man pages for these timeout options to mention the
return code.

Closes #1938
2017-10-16 09:23:19 +02:00

63 lines
2.5 KiB
Groff

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.TH CURLOPT_FTP_RESPONSE_TIMEOUT 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
.SH NAME
CURLOPT_FTP_RESPONSE_TIMEOUT \- time allowed to wait for FTP response
.SH SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FTP_RESPONSE_TIMEOUT, long timeout);
.SH DESCRIPTION
Pass a long. Causes libcurl to set a \fItimeout\fP period (in seconds) on the
amount of time that the server is allowed to take in order to send a response
message for a command before the session is considered dead. While libcurl is
waiting for a response, this value overrides \fICURLOPT_TIMEOUT(3)\fP. It is
recommended that if used in conjunction with \fICURLOPT_TIMEOUT(3)\fP, you set
\fICURLOPT_FTP_RESPONSE_TIMEOUT(3)\fP to a value smaller than
\fICURLOPT_TIMEOUT(3)\fP.
.SH DEFAULT
None
.SH PROTOCOLS
FTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/slow.txt");
/* wait no more than 23 seconds */
curl_easy_setopt(curl, CURLOPT_FTP_RESPONSE_TIMEOUT, 23L);
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
Added in 7.10.8
.SH RETURN VALUE
Returns CURLE_OK if FTP is supported, and CURLE_UNKNOWN_OPTION if not. Returns
CURLE_BAD_FUNCTION_ARGUMENT if set to a negative value or a value that when
converted to milliseconds is too large.
.SH "SEE ALSO"
.BR CURLOPT_TIMEOUT "(3), " CURLOPT_CONNECTTIMEOUT "(3), "
.BR CURLOPT_LOW_SPEED_LIMIT "(3), "