Subversion Repositories programming

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
86 irasnyd 1 
/* arrays.c -- common functions for dealing with arrays */
2 
 
3 
#ifndef ARRAYS_C
4 
#define ARRAYS_C
5 
 
6 
#include <stdio.h>  /* for printf() */
7 
#include <stdlib.h> /* for exit() */
8 
 
9 
int* create_array (unsigned long size)
10 
{
11 
    int *array;
12 
 
13 
    if ( (array = (int*) malloc (size*sizeof(int))) == NULL)
14 
    {
15 
        printf ("Out of memory allocating array of size=%lu\n", size);
16 
        printf ("Exiting...");
17 
        exit (1);
18 
    }
19 
 
20 
    return array;
21 
}
22 
 
23 
int* free_array (int* array)
24 
{
25 
    free (array);
26 
    array = NULL;
27 
    return array;
28 
}
29 
 
30 
/* copy the src[] to dst[] */
31 
void copyarray (int src[], int dst[], unsigned long size)
32 
{
33 
    unsigned long i;
34 
 
35 
    for (i=0; i<size; i++)
36 
        dst[i] = src[i];
37 
}
38 
 
39 
/* copy src[src_left] to src[src_right] into dst[] */
40 
void copyarray_partial (int src[], int dst[], unsigned long src_left,
41 
        unsigned long src_right)
42 
{
43 
    unsigned long i, j;
44 
 
45 
    for (i=src_left, j=0; i<=src_right; i++, j++)
46 
        dst[j] = src[i];
47 
}
48 
 
49 
/* print out the contents of the array
50 
 * used for debugging mainly
51 
 */
52 
void printarray (int array[], unsigned long size)
53 
{
54 
    unsigned long i;
55 
 
56 
    printf("Printing %lu elements\n", size);
57 
 
58 
    for (i=0; i<size; i++)
59 
        printf("%d ", array[i]);
60 
 
61 
    printf("\n");
62 
}
63 
 
64 
#endif