1 files changed, 34 insertions, 0 deletions
diff --git a/noleak.c b/noleak.c
new file mode 100644
index 0000000..eb676ca
--- /dev/null
+++ b/noleak.c
@@ -0,0 +1,34 @@
+#include "noleak.h"
+#include <stdlib.h>
+
+static void *___noleak_data = NULL;
+static size_t ___noleak_capacity = 0;
+static size_t ___noleak_used = 0;
+
+int noleak_init(size_t capacity)
+{
+	___noleak_data = calloc(1, capacity);
+	if (___noleak_data == NULL)
+		return 1;
+	___noleak_capacity = capacity;
+	return 0;
+}
+
+void noleak_deinit(void)
+{
+	if (___noleak_data != NULL) {
+		free(___noleak_data);
+		___noleak_data = NULL;
+	}
+}
+
+void *noleak_alloc(size_t size)
+{
+	if (___noleak_data == NULL)
+		return NULL;
+	if (___noleak_used + size >= ___noleak_capacity)
+		return NULL;
+	void *const ptr = ___noleak_data + ___noleak_used;
+	___noleak_used += size;
+	return ptr;
+}