From 6790a543d4b692e0f62971804606fdcbcf84a292 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Tue, 13 Sep 2011 22:47:34 +0200 Subject: progressfunc: a simple CURLOPT_PROGRESSFUNCTION example --- docs/examples/.gitignore | 1 + docs/examples/Makefile.inc | 3 ++- docs/examples/progressfunc.c | 58 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+), 1 deletion(-) create mode 100644 docs/examples/progressfunc.c (limited to 'docs/examples') diff --git a/docs/examples/.gitignore b/docs/examples/.gitignore index 7443de010..2ee9df154 100644 --- a/docs/examples/.gitignore +++ b/docs/examples/.gitignore @@ -26,6 +26,7 @@ multi-single persistant post-callback postit2 +progressfunc resolve rtsp sendrecv diff --git a/docs/examples/Makefile.inc b/docs/examples/Makefile.inc index d1ae9ddbb..bf7337dd8 100644 --- a/docs/examples/Makefile.inc +++ b/docs/examples/Makefile.inc @@ -4,7 +4,8 @@ check_PROGRAMS = 10-at-a-time anyauthput cookie_interface debug fileupload \ https multi-app multi-debugcallback multi-double multi-post multi-single \ persistant post-callback postit2 sepheaders simple simplepost simplessl \ sendrecv httpcustomheader certinfo chkspeed ftpgetinfo ftp-wildcard \ - smtp-multi simplesmtp smtp-tls rtsp externalsocket resolve + smtp-multi simplesmtp smtp-tls rtsp externalsocket resolve \ + progressfunc # These examples require external dependencies that may not be commonly # available on POSIX systems, so don't bother attempting to compile them here. diff --git a/docs/examples/progressfunc.c b/docs/examples/progressfunc.c new file mode 100644 index 000000000..42ed3287b --- /dev/null +++ b/docs/examples/progressfunc.c @@ -0,0 +1,58 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, Daniel Stenberg, , 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 http://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. + * + ***************************************************************************/ +#include +#include + +#define STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES 6000 + +static int progress(void *p, + double dltotal, double dlnow, + double ultotal, double ulnow) +{ + fprintf(stderr, "UP: %g of %g DOWN: %g of %g\r\n", + ulnow, ultotal, dlnow, dltotal); + + if(dlnow > STOP_DOWNLOAD_AFTER_THIS_MANY_BYTES) + return 1; + return 0; +} + +int main(void) +{ + CURL *curl; + CURLcode res=0; + + curl = curl_easy_init(); + if(curl) { + curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/"); + curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress); + curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L); + res = curl_easy_perform(curl); + + if(res) + fprintf(stderr, "%s\n", curl_easy_strerror(res)); + + /* always cleanup */ + curl_easy_cleanup(curl); + } + return (int)res; +} -- cgit v1.2.3