feat: e100e Ethernet driver, ramdisk reorganization, shell rewrite, web server/client, and more

programs/src/date/main.cpp

@@ -0,0 +1,56 @@
+/*
+    * main.cpp
+    * date - Show current date and time
+    * Copyright (c) 2025-2026 Daniel Hammer
+*/
+
+#include <zenith/syscall.h>
+
+static void print_int(uint64_t n) {
+    if (n == 0) {
+        zenith::putchar('0');
+        return;
+    }
+    char buf[20];
+    int i = 0;
+    while (n > 0) {
+        buf[i++] = '0' + (n % 10);
+        n /= 10;
+    }
+    for (int j = i - 1; j >= 0; j--) {
+        zenith::putchar(buf[j]);
+    }
+}
+
+static void print_int_padded(uint64_t n) {
+    if (n < 10) zenith::putchar('0');
+    print_int(n);
+}
+
+static const char* month_name(int m) {
+    static const char* months[] = {
+        "", "January", "February", "March", "April", "May", "June",
+        "July", "August", "September", "October", "November", "December"
+    };
+    if (m >= 1 && m <= 12) return months[m];
+    return "?";
+}
+
+extern "C" void _start() {
+    Zenith::DateTime dt;
+    zenith::gettime(&dt);
+
+    print_int(dt.Day);
+    zenith::putchar(' ');
+    zenith::print(month_name(dt.Month));
+    zenith::putchar(' ');
+    print_int(dt.Year);
+    zenith::print(", ");
+    print_int(dt.Hour);
+    zenith::putchar(':');
+    print_int_padded(dt.Minute);
+    zenith::putchar(':');
+    print_int_padded(dt.Second);
+    zenith::print(" UTC\n");
+    zenith::exit(0);
+}