Download a Binary REST Response into BinData

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Demonstrates Rest.FullRequestNoBodyBd, which sends a request with no body and stores the binary response body in a BinData.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    const rest = try chilkat.Rest.init();
    defer rest.deinit();
    const b_tls = true;
    const b_auto_reconnect = true;
    rest.connect("example.com", 443, b_tls, b_auto_reconnect) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    // The file paths are relative to the application's current working directory.  Absolute paths
    // may also be used.  Supply the paths appropriate to your own environment.

    // FullRequestNoBodyBd sends a request with no body and stores the binary response body in a
    // BinData.  This is appropriate when the response is binary, such as an image or file download.
    const bd_response = try chilkat.BinData.init();
    defer bd_response.deinit();
    rest.fullRequestNoBodyBd("GET", "/api/images/1", bd_response) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    bd_response.writeFile("qa_output/image.png") catch {
        std.debug.print("Failed to save the response body.\n", .{});
        return;
    };

    std.debug.print("Downloaded {d} bytes.\n", .{bd_response.getNumBytes()});
}