Imported Upstream version 7.59.0

[platform/upstream/curl.git] / docs / libcurl / opts / CURLOPT_SEEKFUNCTION.3

diff --git a/docs/libcurl/opts/CURLOPT_SEEKFUNCTION.3 b/docs/libcurl/opts/CURLOPT_SEEKFUNCTION.3
index 179f0d2..653403c 100644 (file)
--- a/docs/libcurl/opts/CURLOPT_SEEKFUNCTION.3
+++ b/docs/libcurl/opts/CURLOPT_SEEKFUNCTION.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * 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
@@ -20,7 +20,8 @@
 .\" *
 .\" **************************************************************************
 .\"
-.TH CURLOPT_SEEKFUNCTION 3 "16 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
+.TH CURLOPT_SEEKFUNCTION 3 "August 12, 2017" "libcurl 7.59.0" "curl_easy_setopt options"
+
 .SH NAME
 CURLOPT_SEEKFUNCTION \- user callback for seeking in input stream
 .SH SYNOPSIS
@@ -67,7 +68,20 @@ By default, this is NULL and unused.
 .SH PROTOCOLS
 HTTP, FTP, SFTP
 .SH EXAMPLE
-TODO
+.nf
+static int seek_cb(void *userp, curl_off_t offset, int origin)
+{
+  struct data *d = (struct data *)userp;
+  lseek(our_fd, offset, origin);
+  return CURL_SEEKFUNC_OK;
+}
+
+{
+  struct data seek_data;
+  curl_easy_setopt(CURL *handle, CURLOPT_SEEKFUNCTION, seek_cb);
+  curl_easy_setopt(CURL *handle, CURLOPT_SEEKDATA, &seek_data);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.18.0
 .SH RETURN VALUE