1 files changed, 55 insertions, 0 deletions
diff --git a/lib/vector.c b/lib/vector.c
new file mode 100644
index 0000000..d338db2
--- /dev/null
+++ b/lib/vector.c
@@ -0,0 +1,55 @@
+#include <lib/vector.h>
+
+#include <platform/osal.h>
+
+#include <assert.h>
+#include <string.h>
+
+int vector_init(struct vector *v)
+{
+	assert(v != NULL);
+	size_t initial = 50;
+	v->size = 0;
+	v->capacity = initial;
+	v->buffer = mem_alloc(initial * sizeof(void*)); // add safety
+	if (v->buffer == NULL)
+		return -1;
+	return 0;
+}
+
+int vector_reserve(struct vector *v, size_t nc)
+{
+	assert(v != NULL);
+	void *nb = mem_alloc((nc) * sizeof(void*));
+
+	if (nb == NULL) 
+		return -1;
+
+	memcpy(nb, v->buffer, v->size * sizeof(void*));
+	v->capacity = nc;
+
+	if (v->buffer == NULL) 
+		return -1;
+	
+	mem_free(v->buffer);
+	v->buffer = nb;
+	return 0;
+}
+
+int vector_emplace_back(struct vector *v, void *p)
+{
+	assert(v != NULL);
+
+	if (p == NULL) 
+		return -1;
+
+	if (v->size >= v->capacity)
+		if (vector_reserve(v, v->capacity * 2) == -1) 
+			return -1;
+
+
+	v->buffer[v->size] = p;
+	v->size++;	
+	
+	return 0;
+}