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Daniel Stenberg 2001-08-28 08:55:26 +00:00
parent 613eafaf02
commit 0452fd8657
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37
docs/curl_formadd.3
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@ -2,7 +2,7 @@
.\" nroff -man [file]
.\" $Id$
.\"
.TH curl_formadd 3 "19 August 2001" "libcurl 7.9" "libcurl Manual"
.TH curl_formadd 3 "27 August 2001" "libcurl 7.9" "libcurl Manual"
.SH NAME
curl_formadd - add a section to a multipart/formdata HTTP POST
.SH SYNOPSIS
@ -24,21 +24,22 @@ After \fIlastitem\fP follow the real arguments that constitute the
new section (if the following description confuses you jump directly
to the examples):
The first is always CURLFORM_COPYNAME followed by a string used for
the name of the section.
CURLFORM_COPYNAME or CURLFORM_PTRNAME followed by a string is used for
the name of the section. Optionally one may use CURLFORM_NAMELENGTH to
specify the length of the name (allowing null characters within the name).
Afterwards one may use one of three arguments: CURLFORM_COPYCONTENTS,
CURLFORM_PTRCONTENTS, or CURLFORM_FILE. followed by a char or void
The three options for providing values are: CURLFORM_COPYCONTENTS,
CURLFORM_PTRCONTENTS, or CURLFORM_FILE, followed by a char or void
pointer (allowed for PTRCONTENTS).
The next argument may be CURLFORM_CONTENTTYPE if the
Other arguments may be CURLFORM_CONTENTTYPE if the
user wishes to specify one (for FILE if no type is given the library
tries to provide the correct one; for CONTENTS no Content-Type is sent
in this case)
For CURLFORM_PTRCONTENTS the user may also add CURLFORM_CONTENTSLENGTH
followed by the length as a long (if not given the library will use
strlen to determine the length; for COPYCONTENTS this is always done).
For CURLFORM_PTRCONTENTS or CURLFORM_COPYNAME the user may also add
CURLFORM_CONTENTSLENGTH followed by the length as a long (if not given
the library will use strlen to determine the length).
For CURLFORM_FILE the user may send multiple files in one section by
providing multiple CURLFORM_FILE arguments each followed by the filename
@ -52,13 +53,13 @@ the function itself. You must call \fIcurl_formfree\fP after the form post has
been done to free the resources again.
This function will copy all input data except the data pointed to by
the argument after CURLFORM_PTRCONTENTS and keep its own
version of it allocated until you call \fIcurl_formfree\fP. When
the arguments after CURLFORM_PTRNAME and CURLFORM_PTRCONTENTS and keep
its own version of it allocated until you call \fIcurl_formfree\fP. When
you've passed the pointer to \fIcurl_easy_setopt\fP, you must not free
the list until after you've called \fIcurl_easy_cleanup\fP for the
curl handle. If you provide a pointer as an argument after
CURLFORM_PTRCONTENTS you must ensure that the pointer stays valid
until you call \fIcurl_form_free\fP and \fIcurl_easy_cleanup\fP.
curl handle. If you provide a pointer as an arguments after
CURLFORM_PTRNAME or CURLFORM_PTRCONTENTS you must ensure that the pointer
stays valid until you call \fIcurl_form_free\fP and \fIcurl_easy_cleanup\fP.
See example below.
.SH RETURN VALUE
@ -68,6 +69,8 @@ Returns non-zero if an error occurs.
HttpPost* post = NULL;
HttpPost* last = NULL;
char namebuffer[] = "name buffer";
long namelength = strlen(namebuffer);
char buffer[] = "test buffer";
char htmlbuffer[] = "<HTML>test buffer</HTML>";
long htmlbufferlength = strlen(htmlbuffer);
@ -84,8 +87,12 @@ Returns non-zero if an error occurs.
CURLFORM_COPYCONTENTS, "<HTML></HTML>",
CURLFORM_CONTENTTYPE, "text/html", CURLFORM_END);
/* Add name/ptrcontent section */
curl_formadd(&post, &past, CURLFORM_COPYNAME, "name_for_ptrcontent",
curl_formadd(&post, &last, CURLFORM_COPYNAME, "name_for_ptrcontent",
CURLFORM_PTRCONTENTS, buffer, CURLFORM_END);
/* Add ptrname/ptrcontent section */
curl_formadd(&post, &last, CURLFORM_PTRNAME, namebuffer,
CURLFORM_PTRCONTENTS, buffer, CURLFORM_NAMELENGTH,
namelength, CURLFORM_END);
/* Add name/ptrcontent/contenttype section */
curl_formadd(&post, &last, CURLFORM_COPYNAME, "html_code_with_hole",
CURLFORM_PTRCONTENTS, htmlbuffer,