httpClient

A lightweight HTTP client library for Windows built on the WinHTTP API. It supports GET, POST, PUT, DELETE, and PATCH requests and provides a simple interface for making HTTP requests in C.

Features

• HTTP(S) requests: GET, POST, PUT, DELETE, PATCH
• Custom headers and request bodies
• Response parsing (status code, headers, body)
• URL encoding utility
• Configurable request timeouts
• Memory management utilities

Requirements

• Windows platform
• WinHTTP library

Installation

Clone the repository and include http_client.c and http_client.h in your project. Link against winhttp.lib.

git clone https://github.com/MohaIfk/httpClient.git

Usage

Basic GET Request

#include "http_client.h"

int main() {
    http_client_t* client = http_client_create(NULL); // Default UA
    http_response_t* response = http_get(client, "https://example.com");

    printf("Status: %d\n", response->status_code);
    printf("Headers:\n%s\n", response->headers);
    printf("Body:\n%s\n", response->body);

    http_response_destroy(response);
    http_client_destroy(client);
    return 0;
}

POST Request with Data

http_response_t* response = http_post(
    client,
    "https://example.com/api",
    "{\"key\":\"value\"}",
    "application/json"
);

Setting Timeout

http_client_set_timeout(client, 10000); // 10 seconds

URL Encoding

char* encoded = http_url_encode("hello world!");
printf("%s\n", encoded);
free(encoded);

API Reference

• http_client_create(const char* user_agent)
• http_client_destroy(http_client_t*)
• http_get(http_client_t*, const char* url)
• http_post(http_client_t*, const char* url, const char* data, const char* content_type)
• http_put(...), http_delete(...), etc.
• http_response_destroy(http_response_t*)
• http_client_set_timeout(http_client_t*, int timeout_ms)
• http_url_encode(const char*)

License