mirror of https://github.com/moparisthebest/curl
clarified ERRORBUFFER - some errors just don't write a string even though
they should. And I removed all uses 'Note' (as they are pretty useless) and did some other language and phrasing cleanups.
This commit is contained in:
Daniel Stenberg
parent
b6f0aa4394
commit
6af5ea38ce
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@ -44,11 +44,11 @@ between transfers, so if you want subsequent transfers with different options,
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you must change them between the transfers. You can optionally reset all
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options back to internal default with \fIcurl_easy_reset(3)\fP.
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\fBNOTE:\fP strings passed to libcurl as 'char *' arguments, will not be
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copied by the library. Instead you should keep them available until libcurl no
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longer needs them. Failing to do so will cause very odd behavior or even
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crashes. libcurl will need them until you call \fIcurl_easy_cleanup(3)\fP or
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you set the same option again to use a different pointer.
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Strings passed to libcurl as 'char *' arguments, will not be copied by the
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library. Instead you should keep them available until libcurl no longer needs
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them. Failing to do so will cause very odd behavior or even crashes. libcurl
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will need them until you call \fIcurl_easy_cleanup(3)\fP or you set the same
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option again to use a different pointer.
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The \fIhandle\fP is the return code from a \fIcurl_easy_init(3)\fP or
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\fIcurl_easy_duphandle(3)\fP call.
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@ -70,8 +70,8 @@ preceding the data (like HTTP).
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A non-zero parameter tells the library to shut off the built-in progress meter
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completely.
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\fBNOTE:\fP future versions of libcurl is likely to not have any built-in
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progress meter at all.
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Future versions of libcurl is likely to not have any built-in progress meter
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at all.
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.IP CURLOPT_NOSIGNAL
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Pass a long. If it is non-zero, libcurl will not use any functions that
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install signal handlers or any functions that cause signals to be sent to the
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@ -102,20 +102,20 @@ default function will write the data to the FILE * given with
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Set the \fIstream\fP argument with the \fICURLOPT_WRITEDATA\fP option.
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\fBNOTE:\fP you will be passed as much data as possible in all invokes, but
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you cannot possibly make any assumptions. It may be one byte, it may be
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The callback function will be passed as much data as possible in all invokes,
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but you cannot possibly make any assumptions. It may be one byte, it may be
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thousands. The maximum amount of data that can be passed to the write callback
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is defined in the curl.h header file: CURL_MAX_WRITE_SIZE.
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.IP CURLOPT_WRITEDATA
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Data pointer to pass to the file write function. Note that if you specify the
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\fICURLOPT_WRITEFUNCTION\fP, this is the pointer you'll get as input. If you
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don't use a callback, you must pass a 'FILE *' as libcurl will pass this to
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fwrite() when writing data.
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Data pointer to pass to the file write function. If you use the
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\fICURLOPT_WRITEFUNCTION\fP option, this is the pointer you'll get as
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input. If you don't use a callback, you must pass a 'FILE *' as libcurl will
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pass this to fwrite() when writing data.
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The internal \fICURLOPT_WRITEFUNCTION\fP will write the data to the FILE *
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given with this option, or to stdout if this option hasn't been set.
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\fBNOTE:\fP If you're using libcurl as a win32 DLL, you MUST use the
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If you're using libcurl as a win32 DLL, you \fBMUST\fP use the
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\fICURLOPT_WRITEFUNCTION\fP if you set this option or you will experience
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crashes.
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@ -140,11 +140,11 @@ In libcurl 7.12.1 and later, the read callback may return
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\fICURL_READFUNC_ABORT\fP to stop the current operation at once, with a
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\fICURLE_ABORTED_BY_CALLBACK\fP error code from the transfer.
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.IP CURLOPT_READDATA
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Data pointer to pass to the file read function. Note that if you specify the
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\fICURLOPT_READFUNCTION\fP, this is the pointer you'll get as input. If you
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don't specify a read callback, this must be a valid FILE *.
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Data pointer to pass to the file read function. If you use the
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\fICURLOPT_READFUNCTION\fP option, this is the pointer you'll get as input. If
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you don't specify a read callback, this must be a valid FILE *.
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\fBNOTE:\fP If you're using libcurl as a win32 DLL, you MUST use a
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If you're using libcurl as a win32 DLL, you MUST use a
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\fICURLOPT_READFUNCTION\fP if you set this option.
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This option is also known with the older name \fICURLOPT_INFILE\fP, the name
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@ -170,8 +170,8 @@ data, the upload size will remain 0). Returning a non-zero value from this
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callback will cause libcurl to abort the transfer and return
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\fICURLE_ABORTED_BY_CALLBACK\fP.
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Also note that \fICURLOPT_NOPROGRESS\fP must be set to FALSE to make this
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function actually get called.
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\fICURLOPT_NOPROGRESS\fP must be set to FALSE to make this function actually
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get called.
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.IP CURLOPT_PROGRESSDATA
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Pass a pointer that will be untouched by libcurl and passed as the first
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argument in the progress callback set with \fICURLOPT_PROGRESSFUNCTION\fP.
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@ -243,10 +243,10 @@ option was introduced in 7.11.0.
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This function will get called on all new connections made to a server, during
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the SSL negotiation. The SSL_CTX pointer will be a new one every time.
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\fBNOTE:\fP To use this properly, a non-trivial amount of knowledge of the
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openssl libraries is necessary. Using this function allows for example to use
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openssl callbacks to add additional validation code for certificates, and even
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to change the actual URI of an HTTPS request (example used in the lib509 test
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To use this properly, a non-trivial amount of knowledge of the openssl
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libraries is necessary. Using this function allows for example to use openssl
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callbacks to add additional validation code for certificates, and even to
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change the actual URI of an HTTPS request (example used in the lib509 test
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case). See also the example section for a replacement of the key, certificate
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and trust file settings.
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.IP CURLOPT_SSL_CTX_DATA
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@ -256,14 +256,21 @@ parameter, otherwise \fBNULL\fP. (Added in 7.11.0)
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.SH ERROR OPTIONS
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.IP CURLOPT_ERRORBUFFER
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Pass a char * to a buffer that the libcurl may store human readable error
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messages in. This may be more helpful than just the return code from the
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library. The buffer must be at least CURL_ERROR_SIZE big.
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messages in. This may be more helpful than just the return code from
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\fIcurl_easy_perform\fP. The buffer must be at least CURL_ERROR_SIZE big.
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Use \fICURLOPT_VERBOSE\fP and \fICURLOPT_DEBUGFUNCTION\fP to better
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debug/trace why errors happen.
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\fBNote:\fP if the library does not return an error, the buffer may not have
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been touched. Do not rely on the contents in those cases.
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If the library does not return an error, the buffer may not have been
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touched. Do not rely on the contents in those cases.
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In a few rare cases, there is no text string associated with the error in
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libcurl and then you may not get a string in the buffer even though it returns
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an error. This is considered a bug and we appreciate your reports about these
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cases. Anyway, you can avoid problems with these cases in your program by
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making sure to clear the first byte of the error buffer before you call
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curl_easy_perform().
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.IP CURLOPT_STDERR
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Pass a FILE * as parameter. Tell libcurl to use this stream instead of stderr
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when showing the progress meter and displaying \fICURLOPT_VERBOSE\fP data.
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@ -284,7 +291,7 @@ given protocol of the set URL is not supported, libcurl will return on error
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\fIcurl_multi_perform(3)\fP. Use \fIcurl_version_info(3)\fP for detailed info
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on which protocols that are supported.
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\fBNOTE:\fP \fICURLOPT_URL\fP is the only option that must be set before
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\fICURLOPT_URL\fP is the only option that must be set before
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\fIcurl_easy_perform(3)\fP is called.
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.IP CURLOPT_PROXY
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Set HTTP proxy to use. The parameter should be a char * to a zero terminated
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@ -317,9 +324,9 @@ this are \fICURLPROXY_HTTP\fP and \fICURLPROXY_SOCKS5\fP, with the HTTP one
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being default. (Added in 7.10)
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.IP CURLOPT_HTTPPROXYTUNNEL
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Set the parameter to non-zero to get the library to tunnel all operations
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through a given HTTP proxy. Note that there is a big difference between using
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a proxy and to tunnel through it. If you don't know what this means, you
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probably don't want this tunneling option.
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through a given HTTP proxy. There is a big difference between using a proxy
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and to tunnel through it. If you don't know what this means, you probably
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don't want this tunneling option.
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.IP CURLOPT_INTERFACE
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Pass a char * as parameter. This set the interface name to use as outgoing
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network interface. The name can be an interface name, an IP address or a host
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@ -371,9 +378,9 @@ This parameter controls the preference of libcurl between using user names and
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passwords from your \fI~/.netrc\fP file, relative to user names and passwords
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in the URL supplied with \fICURLOPT_URL\fP.
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\fBNote:\fP libcurl uses a user name (and supplied or prompted password)
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supplied with \fICURLOPT_USERPWD\fP in preference to any of the options
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controlled by this parameter.
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libcurl uses a user name (and supplied or prompted password) supplied with
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\fICURLOPT_USERPWD\fP in preference to any of the options controlled by this
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parameter.
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Pass a long, set to one of the values described below.
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.RS
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@ -397,9 +404,8 @@ and to search the file with the host only.
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Only machine name, user name and password are taken into account
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(init macros and similar things aren't supported).
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\fBNote:\fP libcurl does not verify that the file has the correct properties
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set (as the standard Unix ftp client does). It should only be readable by
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user.
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libcurl does not verify that the file has the correct properties set (as the
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standard Unix ftp client does). It should only be readable by user.
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.IP CURLOPT_NETRC_FILE
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Pass a char * as parameter, pointing to a zero terminated string containing
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the full path name to the file you want libcurl to use as .netrc file. If this
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@ -424,9 +430,9 @@ Pass a long as parameter, which is set to a bitmask, to tell libcurl what
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authentication method(s) you want it to use. The available bits are listed
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below. If more than one bit is set, libcurl will first query the site to see
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what authentication methods it supports and then pick the best one you allow
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it to use. Note that for some methods, this will induce an extra network
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round-trip. Set the actual name and password with the \fICURLOPT_USERPWD\fP
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option. (Added in 7.10.6)
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it to use. For some methods, this will induce an extra network round-trip. Set
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the actual name and password with the \fICURLOPT_USERPWD\fP option. (Added in
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7.10.6)
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.RS
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.IP CURLAUTH_BASIC
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HTTP Basic authentication. This is the default choice, and the only method
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@ -444,15 +450,13 @@ applications. It is primarily meant as a support for Kerberos5 authentication
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but may be also used along with another authentication methods. For more
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information see IETF draft draft-brezak-spnego-http-04.txt.
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\fBNOTE\fP that you need to build libcurl with a suitable GSS-API library for
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this to work.
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You need to build libcurl with a suitable GSS-API library for this to work.
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.IP CURLAUTH_NTLM
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HTTP NTLM authentication. A proprietary protocol invented and used by
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Microsoft. It uses a challenge-response and hash concept similar to Digest, to
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prevent the password from being eavesdropped.
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\fBNOTE\fP that you need to build libcurl with SSL support for this option to
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work.
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You need to build libcurl with SSL support for this option to work.
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.IP CURLAUTH_ANY
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This is a convenience macro that sets all bits and thus makes libcurl pick any
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it finds suitable. libcurl will automatically select the one it finds most
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@ -467,11 +471,11 @@ Pass a long as parameter, which is set to a bitmask, to tell libcurl what
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authentication method(s) you want it to use for your proxy authentication. If
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more than one bit is set, libcurl will first query the site to see what
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authentication methods it supports and then pick the best one you allow it to
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use. Note that for some methods, this will induce an extra network
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round-trip. Set the actual name and password with the
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\fICURLOPT_PROXYUSERPWD\fP option. The bitmask can be constructed by or'ing
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together the bits listed above for the \fICURLOPT_HTTPAUTH\fP option. As of
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this writing, only Basic, Digest and NTLM work. (Added in 7.10.7)
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use. For some methods, this will induce an extra network round-trip. Set the
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actual name and password with the \fICURLOPT_PROXYUSERPWD\fP option. The
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bitmask can be constructed by or'ing together the bits listed above for the
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\fICURLOPT_HTTPAUTH\fP option. As of this writing, only Basic, Digest and NTLM
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work. (Added in 7.10.7)
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.SH HTTP OPTIONS
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.IP CURLOPT_AUTOREFERER
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Pass a non-zero parameter to enable this. When enabled, libcurl will
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@ -494,14 +498,14 @@ lib/README.encoding for details.
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A non-zero parameter tells the library to follow any Location: header that the
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server sends as part of an HTTP header.
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\fBNOTE:\fP this means that the library will re-send the same request on the
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new location and follow new Location: headers all the way until no more such
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headers are returned. \fICURLOPT_MAXREDIRS\fP can be used to limit the number
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of redirects libcurl will follow.
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This means that the library will re-send the same request on the new location
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and follow new Location: headers all the way until no more such headers are
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returned. \fICURLOPT_MAXREDIRS\fP can be used to limit the number of redirects
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libcurl will follow.
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.IP CURLOPT_UNRESTRICTED_AUTH
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A non-zero parameter tells the library it can continue to send authentication
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(user+password) when following locations, even when hostname changed. Note
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that this is meaningful only when setting \fICURLOPT_FOLLOWLOCATION\fP.
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(user+password) when following locations, even when hostname changed. This
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option is meaningful only when setting \fICURLOPT_FOLLOWLOCATION\fP.
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.IP CURLOPT_MAXREDIRS
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Pass a long. The set number will be the redirection limit. If that many
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redirections have been followed, the next redirect will cause an error
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@ -560,8 +564,8 @@ commonly used one by HTML forms. See also the \fICURLOPT_POST\fP. Using
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Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header.
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You can disable this header with \fICURLOPT_HTTPHEADER\fP as usual.
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\fBNote:\fP to make multipart/formdata posts (aka rfc1867-posts), check out
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the \fICURLOPT_HTTPPOST\fP option.
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To make multipart/formdata posts (aka rfc1867-posts), check out the
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\fICURLOPT_HTTPPOST\fP option.
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.IP CURLOPT_POSTFIELDSIZE
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If you want to post data to the server without letting libcurl do a strlen()
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to measure the data size, this option must be used. When this option is used
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@ -616,7 +620,7 @@ request-line are headers.
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Pass a NULL to this to reset back to no custom headers.
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\fBNOTE:\fP The most commonly replaced headers have "shortcuts" in the options
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The most commonly replaced headers have "shortcuts" in the options
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\fICURLOPT_COOKIE\fP, \fICURLOPT_USERAGENT\fP and \fICURLOPT_REFERER\fP.
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.IP CURLOPT_HTTP200ALIASES
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Pass a pointer to a linked list of aliases to be treated as valid HTTP 200
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@ -629,9 +633,9 @@ The linked list should be a fully valid list of struct curl_slist structs, and
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be properly filled in. Use \fIcurl_slist_append(3)\fP to create the list and
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\fIcurl_slist_free_all(3)\fP to clean up an entire list.
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\fBNOTE:\fP The alias itself is not parsed for any version strings. So if your
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alias is "MYHTTP/9.9", Libcurl will not treat the server as responding with
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HTTP version 9.9. Instead Libcurl will use the value set by option
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The alias itself is not parsed for any version strings. So if your alias is
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\&"MYHTTP/9.9", Libcurl will not treat the server as responding with HTTP
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version 9.9. Instead Libcurl will use the value set by option
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\fICURLOPT_HTTP_VERSION\fP.
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.IP CURLOPT_COOKIE
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Pass a pointer to a zero terminated string as parameter. It will be used to
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@ -666,7 +670,7 @@ instead have the cookies written to stdout. Using this option also enables
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cookies for this session, so if you for example follow a location it will make
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matching cookies get sent accordingly.
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\fBNOTE:\fP If the cookie jar file can't be created or written to (when the
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If the cookie jar file can't be created or written to (when the
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\fIcurl_easy_cleanup(3)\fP is called), libcurl will not and cannot report an
|
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error for this. Using \fICURLOPT_VERBOSE\fP or \fICURLOPT_DEBUGFUNCTION\fP
|
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will get a warning to display, but that is the only visible feedback you get
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@ -773,9 +777,9 @@ directory. (Added in 7.10.7)
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.IP CURLOPT_FTP_RESPONSE_TIMEOUT
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Pass a long. Causes curl to set a timeout period (in seconds) on the amount
|
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of time that the server is allowed to take in order to generate a response
|
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message for a command before the session is considered hung. Note that while
|
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curl is waiting for a response, this value overrides \fICURLOPT_TIMEOUT\fP. It
|
||||
is recommended that if used in conjunction with \fICURLOPT_TIMEOUT\fP, you set
|
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message for a command before the session is considered hung. While curl is
|
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waiting for a response, this value overrides \fICURLOPT_TIMEOUT\fP. It is
|
||||
recommended that if used in conjunction with \fICURLOPT_TIMEOUT\fP, you set
|
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\fICURLOPT_FTP_RESPONSE_TIMEOUT\fP to a value smaller than
|
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\fICURLOPT_TIMEOUT\fP. (Added in 7.10.8)
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.IP CURLOPT_FTP_SKIP_PASV_IP
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@ -835,10 +839,9 @@ stdout to binary mode. This option can be usable when transferring text data
|
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between systems with different views on certain characters, such as newlines
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or similar.
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\fBNOTE:\fP libcurl does not do a complete ASCII conversion when doing ASCII
|
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transfers over FTP. This is a known limitation/flaw that nobody has
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rectified. libcurl simply sets the mode to ascii and performs a standard
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transfer.
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libcurl does not do a complete ASCII conversion when doing ASCII transfers
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over FTP. This is a known limitation/flaw that nobody has rectified. libcurl
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simply sets the mode to ascii and performs a standard transfer.
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.IP CURLOPT_CRLF
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Convert Unix newlines to CRLF newlines on transfers.
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.IP CURLOPT_RANGE
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@ -864,11 +867,11 @@ server supports the command first.
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Restore to the internal default by setting this to NULL.
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|
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\fBNOTE:\fP Many people have wrongly used this option to replace the entire
|
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request with their own, including multiple headers and POST contents. While
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that might work in many cases, it will cause libcurl to send invalid requests
|
||||
and it could possibly confuse the remote server badly. Use \fICURLOPT_POST\fP
|
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and \fICURLOPT_POSTFIELDS\fP to set POST data. Use \fICURLOPT_HTTPHEADER\fP to
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Many people have wrongly used this option to replace the entire request with
|
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their own, including multiple headers and POST contents. While that might work
|
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in many cases, it will cause libcurl to send invalid requests and it could
|
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possibly confuse the remote server badly. Use \fICURLOPT_POST\fP and
|
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\fICURLOPT_POSTFIELDS\fP to set POST data. Use \fICURLOPT_HTTPHEADER\fP to
|
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replace or extend the set of headers sent by libcurl. Use
|
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\fICURLOPT_HTTP_VERSION\fP to change HTTP version.
|
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.IP CURLOPT_FILETIME
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@ -912,26 +915,26 @@ Pass a long as parameter. This allows you to specify the maximum size (in
|
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bytes) of a file to download. If the file requested is larger than this value,
|
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the transfer will not start and CURLE_FILESIZE_EXCEEDED will be returned.
|
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|
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\fBNOTE:\fP The file size is not always known prior to download, and for such
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files this option has no effect even if the file transfer ends up being larger
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than this given limit. This concerns both FTP and HTTP transfers.
|
||||
The file size is not always known prior to download, and for such files this
|
||||
option has no effect even if the file transfer ends up being larger than this
|
||||
given limit. This concerns both FTP and HTTP transfers.
|
||||
.IP CURLOPT_MAXFILESIZE_LARGE
|
||||
Pass a curl_off_t as parameter. This allows you to specify the maximum size
|
||||
(in bytes) of a file to download. If the file requested is larger than this
|
||||
value, the transfer will not start and \fICURLE_FILESIZE_EXCEEDED\fP will be
|
||||
returned. (Added in 7.11.0)
|
||||
|
||||
\fBNOTE:\fP The file size is not always known prior to download, and for such
|
||||
files this option has no effect even if the file transfer ends up being larger
|
||||
than this given limit. This concerns both FTP and HTTP transfers.
|
||||
The file size is not always known prior to download, and for such files this
|
||||
option has no effect even if the file transfer ends up being larger than this
|
||||
given limit. This concerns both FTP and HTTP transfers.
|
||||
.IP CURLOPT_TIMECONDITION
|
||||
Pass a long as parameter. This defines how the \fICURLOPT_TIMEVALUE\fP time
|
||||
value is treated. You can set this parameter to \fICURL_TIMECOND_IFMODSINCE\fP
|
||||
or \fICURL_TIMECOND_IFUNMODSINCE\fP. This feature applies to HTTP and FTP.
|
||||
|
||||
\fBNOTE:\fP The last modification time of a file is not always known and in such
|
||||
instances this feature will have no effect even if the given time condition
|
||||
would have not been met.
|
||||
The last modification time of a file is not always known and in such instances
|
||||
this feature will have no effect even if the given time condition would have
|
||||
not been met.
|
||||
.IP CURLOPT_TIMEVALUE
|
||||
Pass a long as parameter. This should be the time in seconds since 1 jan 1970,
|
||||
and the time will be used in a condition as specified with
|
||||
|
|
@ -944,8 +947,8 @@ considerable time and limiting operations to less than a few minutes risk
|
|||
aborting perfectly normal operations. This option will cause curl to use the
|
||||
SIGALRM to enable time-outing system calls.
|
||||
|
||||
\fBNOTE:\fP this is not recommended to use in unix multi-threaded programs, as
|
||||
it uses signals unless \fICURLOPT_NOSIGNAL\fP (see above) is set.
|
||||
In unix-like systems, this might cause signals to be used unless
|
||||
\fICURLOPT_NOSIGNAL\fP is set.
|
||||
.IP CURLOPT_LOW_SPEED_LIMIT
|
||||
Pass a long as parameter. It contains the transfer speed in bytes per second
|
||||
that the transfer should be below during \fICURLOPT_LOW_SPEED_TIME\fP seconds
|
||||
|
|
@ -966,9 +969,9 @@ When reaching the maximum limit, curl uses the \fICURLOPT_CLOSEPOLICY\fP to
|
|||
figure out which of the existing connections to close to prevent the number of
|
||||
open connections to increase.
|
||||
|
||||
\fBNOTE:\fP if you already have performed transfers with this curl handle,
|
||||
setting a smaller MAXCONNECTS than before may cause open connections to get
|
||||
closed unnecessarily.
|
||||
If you already have performed transfers with this curl handle, setting a
|
||||
smaller MAXCONNECTS than before may cause open connections to get closed
|
||||
unnecessarily.
|
||||
.IP CURLOPT_CLOSEPOLICY
|
||||
Pass a long. This option sets what policy libcurl should use when the
|
||||
connection cache is filled and one of the open connections has to be closed to
|
||||
|
|
@ -1000,8 +1003,8 @@ it has connected, this option is of no more use. Set to zero to disable
|
|||
connection timeout (it will then only timeout on the system's internal
|
||||
timeouts). See also the \fICURLOPT_TIMEOUT\fP option.
|
||||
|
||||
\fBNOTE:\fP this is not recommended to use in unix multi-threaded programs, as
|
||||
it uses signals unless \fICURLOPT_NOSIGNAL\fP (see above) is set.
|
||||
In unix-like systems, this might cause signals to be used unless
|
||||
\fICURLOPT_NOSIGNAL\fP is set.
|
||||
.IP CURLOPT_IPRESOLVE
|
||||
Allows an application to select what kind of IP addresses to use when
|
||||
resolving host names. This is only interesting when using host names that
|
||||
|
|
@ -1038,9 +1041,9 @@ changed with \fICURLOPT_SSLKEYTYPE\fP.
|
|||
Pass a pointer to a zero terminated string as parameter. The string should be
|
||||
the format of your private key. Supported formats are "PEM", "DER" and "ENG".
|
||||
|
||||
\fBNOTE:\fP The format "ENG" enables you to load the private key from a crypto
|
||||
engine. In this case \fICURLOPT_SSLKEY\fP is used as an identifier passed to
|
||||
the engine. You have to set the crypto engine with \fICURLOPT_SSLENGINE\fP.
|
||||
The format "ENG" enables you to load the private key from a crypto engine. In
|
||||
this case \fICURLOPT_SSLKEY\fP is used as an identifier passed to the
|
||||
engine. You have to set the crypto engine with \fICURLOPT_SSLENGINE\fP.
|
||||
\&"DER" format key file currently does not work because of a bug in OpenSSL.
|
||||
.IP CURLOPT_SSLKEYPASSWD
|
||||
Pass a pointer to a zero terminated string as parameter. It will be used as
|
||||
|
|
@ -1050,14 +1053,14 @@ Pass a pointer to a zero terminated string as parameter. It will be used as
|
|||
the identifier for the crypto engine you want to use for your private
|
||||
key.
|
||||
|
||||
\fBNOTE:\fP If the crypto device cannot be loaded,
|
||||
\fICURLE_SSL_ENGINE_NOTFOUND\fP is returned.
|
||||
If the crypto device cannot be loaded, \fICURLE_SSL_ENGINE_NOTFOUND\fP is
|
||||
returned.
|
||||
.IP CURLOPT_SSLENGINE_DEFAULT
|
||||
Sets the actual crypto engine as the default for (asymmetric) crypto
|
||||
operations.
|
||||
|
||||
\fBNOTE:\fP If the crypto device cannot be set,
|
||||
\fICURLE_SSL_ENGINE_SETFAILED\fP is returned.
|
||||
If the crypto device cannot be set, \fICURLE_SSL_ENGINE_SETFAILED\fP is
|
||||
returned.
|
||||
.IP CURLOPT_SSLVERSION
|
||||
Pass a long as parameter to control what version of SSL/TLS to attempt to use.
|
||||
The available options are:
|
||||
|
|
|
|||
Loading…
Reference in New Issue