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CURLOPT_K...G_ON_ERROR(3) Library Functions Manual CURLOPT_K...G_ON_ERROR(3) NAME CURLOPT_KEEP_SENDING_ON_ERROR - keep sending on early HTTP response >= 300 SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_KEEP_SENDING_ON_ERROR, long keep_sending); DESCRIPTION A long parameter set to 1 tells the library to keep sending the request body if the HTTP code returned is equal to or larger than 300. The de- fault action would be to stop sending and close the stream or connec- tion. This option is suitable for manual NTLM authentication, i.e. if an ap- plication does not use CURLOPT_HTTPAUTH(3), but instead sets "Autho- rization: NTLM ..." headers manually using CURLOPT_HTTPHEADER(3). Most applications do not need this option. DEFAULT 0, stop sending on error PROTOCOLS This functionality affects http only EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode ret; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "sending data"); curl_easy_setopt(curl, CURLOPT_KEEP_SENDING_ON_ERROR, 1L); ret = curl_easy_perform(curl); } } AVAILABILITY Added in curl 7.51.0 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLINFO_RESPONSE_CODE(3), CURLOPT_FAILONERROR(3), CURLOPT_HTTP- HEADER(3) libcurl 2025-06-03 CURLOPT_K...G_ON_ERROR(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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