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/*-
* Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef ASN_SET_OF_H
#define ASN_SET_OF_H
#ifdef __cplusplus
#define A_SET_OF(type) \
struct { \
type **array; \
int count; /* Meaningful size */ \
int size; /* Allocated size */ \
void (*free)(decltype(*array)); \
}
#else /* C */
#define A_SET_OF(type) \
struct { \
type **array; \
int count; /* Meaningful size */ \
int size; /* Allocated size */ \
void (*free)(type *); \
}
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define ASN_SET_ADD(headptr, ptr) \
asn_set_add((headptr), (ptr))
/*******************************************
* Implementation of the SET OF structure.
*/
/*
* Add another structure into the set by its pointer.
* RETURN VALUES:
* 0 for success and -1/errno for failure.
*/
int asn_set_add(void *asn_set_of_x, void *ptr);
/*
* Delete the element from the set by its number (base 0).
* This is a constant-time operation. The order of elements before the
* deleted ones is guaranteed, the order of elements after the deleted
* one is NOT guaranteed.
* If _do_free is given AND the (*free) is initialized, the element
* will be freed using the custom (*free) function as well.
*/
void asn_set_del(void *asn_set_of_x, int number, int _do_free);
/*
* Empty the contents of the set. Will free the elements, if (*free) is given.
* Will NOT free the set itself.
*/
void asn_set_empty(void *asn_set_of_x);
/*
* Cope with different conversions requirements to/from void in C and C++.
* This is mostly useful for support library.
*/
typedef A_SET_OF(void) asn_anonymous_set_;
#define _A_SET_FROM_VOID(ptr) ((asn_anonymous_set_ *)(ptr))
#define _A_CSET_FROM_VOID(ptr) ((const asn_anonymous_set_ *)(ptr))
#ifdef __cplusplus
}
#endif
#endif /* ASN_SET_OF_H */
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