Initial Contribution

1 files changed, 67 insertions, 0 deletions

diff --git a/include/cutils/array.h b/include/cutils/array.h
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+++ b/include/cutils/array.h
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+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * A pointer array which intelligently expands its capacity ad needed.
+ */
+
+#ifndef __ARRAY_H
+#define __ARRAY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+
+/** An array. */
+typedef struct Array Array;
+
+/** Constructs a new array. Returns NULL if we ran out of memory. */
+Array* arrayCreate();
+
+/** Frees an array. Does not free elements themselves. */
+void arrayFree(Array* array);
+
+/** Adds a pointer. Returns 0 is successful, < 0 otherwise. */
+int arrayAdd(Array* array, void* pointer);
+
+/** Gets the pointer at the specified index. */
+void* arrayGet(Array* array, int index);
+
+/** Removes the pointer at the given index and returns it. */
+void* arrayRemove(Array* array, int index);
+
+/** Sets pointer at the given index. Returns old pointer. */
+void* arraySet(Array* array, int index, void* pointer);
+
+/** Sets the array size. Sets new pointers to NULL. Returns 0 if successful, < 0 otherwise . */
+int arraySetSize(Array* array, int size);
+
+/** Returns the size of the given array. */
+int arraySize(Array* array);
+
+/** 
+ * Returns a pointer to a C-style array which will be valid until this array 
+ * changes.
+ */
+const void** arrayUnwrap(Array* array);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ARRAY_H */