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jni/utils/vector.h

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+/* vector.h - A simple vector implementation in c
+ */
+
+#ifndef _VECTOR_H_
+#define _VECTOR_H_
+
+#include <sys/types.h>
+
+struct vector {
+	size_t size;
+	size_t cap;
+	void **data;
+};
+void vec_init(struct vector *v);
+void vec_push_back(struct vector *v, void *p);
+void vec_sort(struct vector *v, int (*compar)(const void *, const void *));
+void vec_destroy(struct vector *v);
+#define vec_size(v) (v)->size
+#define vec_cap(v) (v)->cap
+#define vec_entry(v) (v)->data
+/* Usage: vec_for_each(vector *v, void *e) */
+#define vec_for_each(v, e) \
+	e = (v)->data[0]; \
+	for (size_t _ = 0; _ < (v)->size; ++_, e = (v)->data[_])
+
+#endif