1 files changed, 40 insertions, 0 deletions
diff --git a/src/c4groupheader.c b/src/c4groupheader.c
new file mode 100644
index 0000000..e06155c
--- /dev/null
+++ b/src/c4groupheader.c
@@ -0,0 +1,40 @@
+#include "c4groupheader.h"
+#include <string.h>
+#include <time.h>
+
+void C4GroupHeader_init(C4GroupHeader* const this)
+{
+	// id is not cleared because the id string exactly fits the size
+	strcpy(this->id, C4GroupId);
+	memset(this->Reserved1, 0, sizeof(this->Reserved1));
+	memset(this->Reserved2, 0, sizeof(this->Reserved2));
+	memset(this->Password, 0, sizeof(this->Password));
+
+	this->Ver1 = 1;
+	this->Ver2 = 2;
+	this->Entries = 0;
+	C4GroupHeader_setMaker(this, "New C4Group");
+	this->Maker[C4GroupMaxMaker + 1] = '\0';
+	C4GroupHeader_setCreation(this, time(NULL));
+	C4GroupHeader_setOfficial(this, false);
+}
+
+void C4GroupHeader_setMaker(C4GroupHeader* const this, const char* const maker)
+{
+	strncpy(this->Maker, maker, C4GroupMaxMaker + 1);
+}
+
+void C4GroupHeader_setCreation(C4GroupHeader* const this, int32_t const creation)
+{
+	this->Creation = creation;
+}
+
+void C4GroupHeader_setOfficial(C4GroupHeader* const this, const bool official)
+{
+	this->Official = official ? C4GroupOfficial : 0;
+}
+
+bool C4GroupHeader_isOfficial(const C4GroupHeader* const this)
+{
+	return this->Official == C4GroupOfficial;
+}