initHEADmain

1 files changed, 62 insertions, 0 deletions

diff --git a/src/version.c b/src/version.c
new file mode 100644
index 0000000..2213bc6
--- /dev/null
+++ b/src/version.c
@@ -0,0 +1,62 @@
+/*
+ * melisma - extensible and scriptable audio engine
+ * Copyright (C) 2026  Ludvig Gunne Lindström
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "melisma.h"
+#include <lauxlib.h>
+
+struct semver
+{
+	int major;
+	int minor;
+	int patch;
+};
+
+static void parse(struct semver *out, const char *str)
+{
+	const char *tok;
+	char buf[32];
+
+	strcpy(buf, str);
+
+	assert((tok = strtok(buf, ".")));
+	out->major = atoi(tok);
+
+	assert((tok = strtok(NULL, ".")));
+	out->minor = atoi(tok);
+
+	assert((tok = strtok(NULL, ".")));
+	out->patch = atoi(tok);
+}
+
+void ml__check_version(const char *s)
+{
+	extern lua_State *state;
+	struct semver melisma, module;
+
+	parse(&melisma,MELISMA_VERSION);
+	parse(&module,s);
+
+	if (melisma.major != module.major)
+	{
+		luaL_error(state,"Mismatching versions (melisma: %s, module: %s)",
+		           MELISMA_VERSION,s);
+	}
+}