Zig

Get an Email's MIME into a BinData

Demonstrates the Chilkat Email.GetMimeBd method, which serializes the complete RFC822/MIME message (headers, body representations, related items, and attachments) and appends the bytes to a BinData object. This example builds a message, serializes it to a BinData, and prints the byte count.

Background: A BinData holds raw bytes, which is the right container when you want the MIME as binary rather than text — for example to write it directly to a file or socket, hash it, or hand it to another API that expects a byte buffer. It is the binary counterpart to GetMime (string) and GetMimeSb (StringBuilder).

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Zig

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

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

    // Demonstrates the GetMimeBd method, which serializes the complete RFC822/MIME message
    // (headers, bodies, related items, and attachments) and appends the bytes to a BinData
    // object.

    const email = try chilkat.Email.init();
    defer email.deinit();
    email.setSubject("GetMimeBd example");
    email.setFrom("alice@example.com");
    email.addTo("Bob", "bob@example.com") catch {};
    email.setBody("Hello!");

    // Append the complete MIME to a BinData object.
    const bd_mime = try chilkat.BinData.init();
    defer bd_mime.deinit();
    email.getMimeBd(bd_mime) catch {
        std.debug.print("{s}\n", .{try email.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("MIME size (bytes) = {d}\n", .{bd_mime.getNumBytes()});
}