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Diffstat (limited to 'src/tool_mfiles.c')
-rw-r--r-- | src/tool_mfiles.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/tool_mfiles.c b/src/tool_mfiles.c new file mode 100644 index 000000000..17edbfaab --- /dev/null +++ b/src/tool_mfiles.c @@ -0,0 +1,129 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, 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 "setup.h" + +#include <curl/curl.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; +} + |