libcotp 3.1.0 (new formula)

.github/autobump.txt

@@ -1693,6 +1693,7 @@ libcdr
 libchewing
 libclc
 libcoap
+libcotp
 libcouchbase
 libcpuid
 libcss

Formula/lib/libcotp.rb

@@ -0,0 +1,56 @@
+class Libcotp < Formula
+  desc "C library that generates TOTP and HOTP"
+  homepage "https://github.com/paolostivanin/libcotp"
+  url "https://github.com/paolostivanin/libcotp/archive/refs/tags/v3.1.0.tar.gz"
+  sha256 "a48bbfd95b7ec12d23e4e2c4a017f8acddecc14bf10541ff144563cee044b39c"
+  license "Apache-2.0"
+  head "https://github.com/paolostivanin/libcotp.git", branch: "master"
+
+  bottle do
+    sha256 cellar: :any,                 arm64_sequoia: "a55767669aadfbc33ca5047a9bf5a1371ebaf4ccb3c9e3e14a3296516f0702e9"
+    sha256 cellar: :any,                 arm64_sonoma:  "3c1f7d889c8212c2a7e8763c9bc712ce98ce0e8cd2520a27e6ed13468bdfa922"
+    sha256 cellar: :any,                 arm64_ventura: "626c19565338f9e6ebf991ffdb7c7acb0beea6fb5ce65317ea12a08cdaea63d8"
+    sha256 cellar: :any,                 sonoma:        "6a56e1465c12f7f4a88da73e4feb96255e03b2739a4a9e2d7fe176c9a9290960"
+    sha256 cellar: :any,                 ventura:       "540f3a6ecfea711699139ec94e16bf0e194094a0508e7e111777632c637388b9"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "bc3ff644b09e647890b68df9d726edcc2a8d18e293cc4773d921141147a6ffc4"
+  end
+
+  depends_on "cmake" => :build
+  depends_on "pkgconf" => :build
+  depends_on "libgcrypt"
+
+  def install
+    system "cmake", "-S", ".", "-B", "build", *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+  end
+
+  test do
+    (testpath/"test.c").write <<~C
+      #include <stdio.h>
+      #include <stdlib.h>
+      #include <string.h>
+      #include <cotp.h>
+
+      int main() {
+        const char *K = "12345678901234567890";
+        const int64_t counter[] = {59, 1111111109, 1111111111, 1234567890, 2000000000, 20000000000};
+
+        cotp_error_t cotp_err;
+        char *K_base32 = base32_encode((const uchar *)K, strlen(K)+1, &cotp_err);
+
+        cotp_error_t err;
+        for (int i = 0; i < 6; i++) {
+          printf("%s\\n", get_totp_at(K_base32, counter[i], 8, 30, SHA1, &err));
+        }
+
+        free(K_base32);
+        return 0;
+      }
+    C
+    system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lcotp", "-o", "test"
+
+    expected_output = %w[94287082 07081804 14050471 89005924 69279037 65353130]
+    assert_equal expected_output, shell_output("./test").split("\n")
+  end
+end