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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, 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 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 "tool_setup.h"
#include "tool_mfiles.h"
#include "memdebug.h" /* keep this as LAST include */
static void AppendNode(struct multi_files **first,
struct multi_files **last,
struct multi_files *new)
{
DEBUGASSERT(((*first) && (*last)) || ((!*first) && (!*last)));
if(*last)
(*last)->next = new;
else
*first = new;
*last = new;
}
/*
* AddMultiFiles: Add a new list node possibly followed with a type_name.
*
* multi_first argument is the address of a pointer to the first element
* of the multi_files linked list. A NULL pointer indicates empty list.
*
* multi_last argument is the address of a pointer to the last element
* of the multi_files linked list. A NULL pointer indicates empty list.
*
* Pointers stored in multi_first and multi_last are modified while
* function is executed. An out of memory condition free's the whole
* list and returns with pointers stored in multi_first and multi_last
* set to NULL and a NULL function result.
*
* Function returns same pointer as stored at multi_last.
*/
struct multi_files *AddMultiFiles(const char *file_name,
const char *type_name,
const char *show_filename,
struct multi_files **multi_first,
struct multi_files **multi_last)
{
struct multi_files *multi;
struct multi_files *multi_type;
struct multi_files *multi_name;
multi = calloc(1, sizeof(struct multi_files));
if(multi) {
multi->form.option = CURLFORM_FILE;
multi->form.value = file_name;
AppendNode(multi_first, multi_last, multi);
}
else {
FreeMultiInfo(multi_first, multi_last);
return NULL;
}
if(type_name) {
multi_type = calloc(1, sizeof(struct multi_files));
if(multi_type) {
multi_type->form.option = CURLFORM_CONTENTTYPE;
multi_type->form.value = type_name;
AppendNode(multi_first, multi_last, multi_type);
}
else {
FreeMultiInfo(multi_first, multi_last);
return NULL;
}
}
if(show_filename) {
multi_name = calloc(1, sizeof(struct multi_files));
if(multi_name) {
multi_name->form.option = CURLFORM_FILENAME;
multi_name->form.value = show_filename;
AppendNode(multi_first, multi_last, multi_name);
}
else {
FreeMultiInfo(multi_first, multi_last);
return NULL;
}
}
return *multi_last;
}
/*
* FreeMultiInfo: Free the items of the list.
*/
void FreeMultiInfo(struct multi_files **multi_first,
struct multi_files **multi_last)
{
struct multi_files *next;
struct multi_files *item = *multi_first;
while(item) {
next = item->next;
Curl_safefree(item);
item = next;
}
*multi_first = NULL;
if(multi_last)
*multi_last = NULL;
}
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