Initial commit

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

casadm/intvector.c

@@ -0,0 +1,110 @@
+/*
+* Copyright(c) 2012-2019 Intel Corporation
+* SPDX-License-Identifier: BSD-3-Clause-Clear
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include "intvector.h"
+
+#define DEFAULT_CAPACITY 11
+
+
+struct intvector *vector_alloc()
+{
+	struct intvector *v = malloc(sizeof(struct intvector));
+	if (!v) {
+		return 0;
+	}
+	if (vector_alloc_placement(v)) {
+		free(v);
+		return 0;
+	}
+	return v;
+}
+
+int vector_alloc_placement(struct intvector *v)
+{
+	v->content = malloc(sizeof(int) * DEFAULT_CAPACITY);
+	if (!v->content) {
+		return 1;
+	}
+	v->size = 0;
+	v->capacity = DEFAULT_CAPACITY;
+	return 0;
+}
+
+int vector_reserve(struct intvector *v, int s)
+{
+	if (s < DEFAULT_CAPACITY || s < v->capacity) {
+		return 0;
+	}
+
+	void *tmp = realloc(v->content, s*sizeof(int));
+	if (!tmp) {
+		return 1;
+	}
+
+	v->content = tmp;
+	v->capacity = s;
+	return 0;
+}
+void vector_free_placement(struct intvector *v)
+{
+	free(v->content);
+}
+
+void vector_free(struct intvector *v)
+{
+	vector_free_placement(v);
+	free(v);
+}
+
+int vector_get(struct intvector *v, int i)
+{
+	return v->content[i];
+}
+
+int vector_set(struct intvector *v, int i, int x)
+{
+	v->content[i]=x;
+	return 0;
+}
+
+int vector_zero(struct intvector *v)
+{
+	memset(v->content, 0, sizeof(int) * v->size);
+	return 0;
+}
+
+int vector_push_back(struct intvector *v, int x)
+{
+	if (vector_capacity(v) == vector_size(v)) {
+		if (vector_reserve(v, v->size*2)) {
+			return 1;
+		}
+	}
+
+	vector_set(v, v->size, x);
+	v->size++;
+	return 0;
+}
+
+int vector_size(struct intvector *v)
+{
+	return v->size;
+}
+
+int vector_capacity(struct intvector *v)
+{
+	return v->capacity;
+}
+
+int vector_resize(struct intvector *v, int s)
+{
+	if (vector_reserve(v, s)) {
+		return 1;
+	}
+	v->size = s;
+	return 0;
+}