63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* MSPDebug - debugging tool for MSP430 MCUs
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* Copyright (C) 2009, 2010 Daniel Beer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef VECTOR_H_
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#define VECTOR_H_
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/* A vector is a flexible array type. It can be used to hold elements of
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* any type.
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*
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* elemsize: size in bytes of each element
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* capacity: maximum number of elements that ptr can hold
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* size: number of elements currently held
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*/
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struct vector {
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void *ptr;
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int elemsize;
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int capacity;
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int size;
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};
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/* Create and destroy vectors */
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void vector_init(struct vector *v, int elemsize);
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void vector_destroy(struct vector *v);
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/* Reallocate a vector to the given size. Returns 0 if successful, or -1
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* if memory could not be allocated.
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*/
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int vector_realloc(struct vector *v, int capacity);
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/* Append any number of elements to the end of a vector, reallocating if
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* necessary. Returns 0 on success or -1 if memory could not be allocated.
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*/
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int vector_push(struct vector *v, const void *data, int count);
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/* Dereference a vector, giving an expression for the element of type t at
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* position i in vector v. Use as follows:
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*
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* struct vector v;
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*
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* VECTOR_AT(v, 3, int) = 57;
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* *VECTOR_PTR(v, 3, int) = 57;
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*/
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#define VECTOR_AT(v, i, t) (*VECTOR_PTR(v, i, t))
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#define VECTOR_PTR(v, i, t) \
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((t *)((char *)(v).ptr + (i) * (v).elemsize))
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#endif
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