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87 irasnyd 1 
/* arrays.c -- common functions for dealing with arrays
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 *
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 * Written By: Ira Snyder
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 * Started On: 06-02-2005
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 *
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 * License: MIT License
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 * License: http://www.opensource.org/licenses/mit-license.php
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 *
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 * _DO NOT_ forget to free the arrays you have created!
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 */
86 irasnyd 11 
 
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#ifndef ARRAYS_C
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#define ARRAYS_C
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#include <stdio.h>  /* for printf() */
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#include <stdlib.h> /* for exit() */
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int* create_array (unsigned long size)
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{
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    int *array;
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    if ( (array = (int*) malloc (size*sizeof(int))) == NULL)
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    {
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        printf ("Out of memory allocating array of size=%lu\n", size);
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        printf ("Exiting...");
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        exit (1);
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    }
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    return array;
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}
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int* free_array (int* array)
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{
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    free (array);
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    array = NULL;
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    return array;
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}
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/* copy the src[] to dst[] */
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void copyarray (int src[], int dst[], unsigned long size)
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{
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    unsigned long i;
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    for (i=0; i<size; i++)
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        dst[i] = src[i];
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}
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/* copy src[src_left] to src[src_right] into dst[] */
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void copyarray_partial (int src[], int dst[], unsigned long src_left,
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        unsigned long src_right)
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{
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    unsigned long i, j;
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    for (i=src_left, j=0; i<=src_right; i++, j++)
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        dst[j] = src[i];
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}
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/* print out the contents of the array
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 * used for debugging mainly */
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void printarray (int array[], unsigned long size)
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{
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    unsigned long i;
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    printf("Printing %lu elements\n", size);
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    for (i=0; i<size; i++)
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        printf("%d ", array[i]);
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    printf("\n");
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}
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#endif