curl_formget
curl_formget
NAMESYNOPSIS
DESCRIPTION
RETURN VALUE
EXAMPLE
AVAILABILITY
SEE ALSO
NAME
curl_formget - serialize a previously built multipart/formdata HTTP POST chain
SYNOPSIS
#include <curl/curl.h>
void
curl_formget(struct curl_httppost * form, void *userp,
curl_formget_callback append );
DESCRIPTION
curl_formget() is used to serialize data previously built/appended with curl_formadd(3). Accepts a void pointer as second argument named userp which will be passed as the first argument to the curl_formget_callback function.
typedef size_t (*curl_formget_callback)(void *userp, const char *buf, size_t len);
The curl_formget_callback will be executed for each part of the HTTP POST chain. The character buffer passed to the callback must not be freed. The callback should return the buffer length passed to it on success.
If the CURLFORM_STREAM option is used in the formpost, it will prevent curl_formget(3) from working until you’ve performed the actual HTTP request as only then will libcurl get the actual read callback to use!
RETURN VALUE
0 means everything was ok, non-zero means an error occurred
EXAMPLE
size_t
print_httppost_callback(void *arg, const char *buf, size_t
len)
{
fwrite(buf, len, 1, stdout);
(*(size_t *) arg) += len;
return len;
}
size_t
print_httppost(struct curl_httppost *post)
{
size_t total_size = 0;
if(curl_formget(post, &total_size,
print_httppost_callback)) {
return (size_t) -1;
}
return total_size;
}
AVAILABILITY
This function was added in libcurl 7.15.5
SEE ALSO
curl_formadd(3)
Opportunity
Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.
Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.
Free Software
Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.
Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.
Free Books
The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.
Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.
Education
Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.
Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.
