/*************************************************************************** * _ _ ____ _ * 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; }