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Diffstat (limited to 'docs/libcurl/opts/GNURLMOPT_PUSHDATA.3')
| -rw-r--r-- | docs/libcurl/opts/GNURLMOPT_PUSHDATA.3 | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/docs/libcurl/opts/GNURLMOPT_PUSHDATA.3 b/docs/libcurl/opts/GNURLMOPT_PUSHDATA.3 new file mode 100644 index 000000000..82ec928ae --- /dev/null +++ b/docs/libcurl/opts/GNURLMOPT_PUSHDATA.3 @@ -0,0 +1,79 @@ +.\" ************************************************************************** +.\" * _ _ ____ _ +.\" * Project ___| | | | _ \| | +.\" * / __| | | | |_) | | +.\" * | (__| |_| | _ <| |___ +.\" * \___|\___/|_| \_\_____| +.\" * +.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. +.\" * +.\" * This software is licensed as described in the file COPYING, which +.\" * you should have received as part of this distribution. The terms +.\" * are also available at https://curl.haxx.se/docs/copyright.html. +.\" * +.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell +.\" * copies of the Software, and permit persons to whom the Software is +.\" * furnished to do so, under the terms of the COPYING file. +.\" * +.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +.\" * KIND, either express or implied. +.\" * +.\" ************************************************************************** +.\" +.TH GNURLMOPT_PUSHDATA 3 "1 Jun 2015" "libcurl 7.44.0" "curl_multi_setopt options" +.SH NAME +CURLMOPT_PUSHDATA \- pointer to pass to push callback +.SH SYNOPSIS +.nf +#include <gnurl/curl.h> + +CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_PUSHDATA, void *pointer); +.fi +.SH DESCRIPTION +Set \fIpointer\fP to pass as the last argument to the +\fICURLMOPT_PUSHFUNCTION(3)\fP callback. The pointer will not be touched or +used by libcurl itself, only passed on to the callback function. +.SH DEFAULT +NULL +.SH PROTOCOLS +HTTP(S) +.SH EXAMPLE +.nf +/* only allow pushes for file names starting with "push-" */ +int push_callback(CURL *parent, + CURL *easy, + size_t num_headers, + struct curl_pushheaders *headers, + void *userp) +{ + char *headp; + int *transfers = (int *)userp; + FILE *out; + headp = curl_pushheader_byname(headers, ":path"); + if(headp && !strncmp(headp, "/push-", 6)) { + fprintf(stderr, "The PATH is %s\\n", headp); + + /* save the push here */ + out = fopen("pushed-stream", "wb"); + + /* write to this file */ + curl_easy_setopt(easy, CURLOPT_WRITEDATA, out); + + (*transfers)++; /* one more */ + + return CURL_PUSH_OK; + } + return CURL_PUSH_DENY; +} + +curl_multi_setopt(multi, CURLMOPT_PUSHFUNCTION, push_callback); +curl_multi_setopt(multi, CURLMOPT_PUSHDATA, &counter); +.fi +.SH AVAILABILITY +Added in 7.44.0 +.SH RETURN VALUE +Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not. +.SH "SEE ALSO" +.BR CURLMOPT_PUSHFUNCTION "(3), " CURLMOPT_PIPELINING "(3), " +.BR CURLOPT_PIPEWAIT "(3), " +.BR RFC 7540 |