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