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- .TH CURLOPT_ERRORBUFFER 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
- .SH NAME
- CURLOPT_ERRORBUFFER \- set error buffer for error messages
- .SH SYNOPSIS
- #include <curl/curl.h>
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_ERRORBUFFER, char *buf);
- .SH DESCRIPTION
- Pass a char * to a buffer that the libcurl may store human readable error
- messages in on failures or problems. This may be more helpful than just the
- return code from \fIcurl_easy_perform(3)\fP and related functions. The buffer
- \fBmust be at least CURL_ERROR_SIZE bytes big\fP.
- You must keep the associated buffer available until libcurl no longer needs
- it. Failing to do so will cause very odd behavior or even crashes. libcurl
- will need it until you call \fIcurl_easy_cleanup(3)\fP or you set the same
- option again to use a different pointer.
- Consider \fICURLOPT_VERBOSE(3)\fP and \fICURLOPT_DEBUGFUNCTION(3)\fP to better
- debug and trace why errors happen.
- If the library does not return an error, the buffer may not have been
- touched. Do not rely on the contents in those cases.
- .SH DEFAULT
- NULL
- .SH PROTOCOLS
- All
- .SH EXAMPLE
- TODO
- .SH AVAILABILITY
- Always
- .SH RETURN VALUE
- Returns CURLE_OK
- .SH "SEE ALSO"
- .BR CURLOPT_DEBUGFUNCTION "(3), " CURLOPT_VERBOSE "(3), "
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