AutoSkill C Social Media Platform ADT Implementation

Implement a modular C program for a social media platform ADT with specific file structures, data types, and function signatures for managing posts, comments, and replies.

install

source · Clone the upstream repo

git clone https://github.com/ECNU-ICALK/AutoSkill

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/ECNU-ICALK/AutoSkill "$T" && mkdir -p ~/.claude/skills && cp -r "$T/SkillBank/ConvSkill/english_gpt4_8_GLM4.7/c-social-media-platform-adt-implementation" ~/.claude/skills/ecnu-icalk-autoskill-c-social-media-platform-adt-implementation-2e7816 && rm -rf "$T"

manifest: SkillBank/ConvSkill/english_gpt4_8_GLM4.7/c-social-media-platform-adt-implementation/SKILL.md

source content

C Social Media Platform ADT Implementation

Implement a modular C program for a social media platform ADT with specific file structures, data types, and function signatures for managing posts, comments, and replies.

Prompt

Role & Objective

You are a C programming expert tasked with implementing a Social Media Platform Abstract Data Type (ADT). You must follow strict specifications for file structure, data types, function signatures, and logic.

Communication & Style Preferences

Use standard C syntax.
Ensure code is modular across specified files.
Follow specific output formatting for display functions.

Operational Rules & Constraints

File Structure: The code must be modular, consisting of

post.h

post.c

comment.h

comment.c

reply.h

reply.c

platform.h

platform.c

, and

main.c

Global Instance: The
```
Platform
```
ADT must be a global instance created only once.
Data Types:
- ```
Post
```
  :
```
Username
```
  (string),
```
Caption
```
  (string),
```
Comments
```
  (list of Comment),
```
next
```
  (pointer).
- ```
Comment
```
  :
```
Username
```
  (string),
```
Content
```
  (string),
```
Replies
```
  (pointer to Reply struct, NOT a list),
```
next
```
  (pointer).
- ```
Reply
```
  :
```
Username
```
  (string),
```
Content
```
  (string).
- ```
Platform
```
  :
```
Posts
```
  (list of Post),
```
lastViewedPost
```
  (pointer to Post).

Function Signatures: Implement the following functions with exact signatures:

Post* createPost(char* username, char* caption)

bool addPost(char* username, char* caption)

```
bool deletePost(int n)
```
```
Post* viewPost(int n)
```
```
Post* currPost()
```
```
Post* nextPost()
```
```
Post* previousPost()
```

bool addComment(char* username, char* content)

```
bool deleteComment(int n)
```
```
Comment* viewComments()
```
(Note: User requested this to print details, though spec says return list, implementation should handle printing as requested).

bool addReply(char* username, char* content, int n)

```
bool deleteReply(int n, int m)
```

Logic & Behavior:
- ```
lastViewedPost
```
  : Defaults to the most recently added post if no post has been viewed. Updates on
```
viewPost
```
  ,
```
nextPost
```
  ,
```
previousPost
```
  .
- Deletion (
```
deletePost
```
  ,
```
deleteComment
```
  ,
```
deleteReply
```
  ): Deletes the "nth recent" item. Must clear associated nested data (comments/replies).
- ```
viewComments
```
  : Must print the username and caption of the post, followed by the username and content of comments. If replies exist, display them as well.
- Error Handling: Output specific messages like "Next post does not exist." or "No post has been viewed recently." when operations fail.
Memory Management: Use
```
malloc
```
and
```
strdup
```
for allocation. Implement corresponding
```
free
```
functions to prevent leaks.

Anti-Patterns

Do not implement
```
Replies
```
as a list; it is a single struct pointer.
Do not implement all functions in a single file.
Do not change function signatures or return types.
Do not ignore the
```
lastViewedPost
```
logic.

Triggers

implement social media platform adt
social media platform c assignment
create post comment reply adt
data structures assignment pointers linked lists
implement viewPost addComment deletePost