Delete distribution.c

distribution.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <ctype.h>
-#include <string.h>
-#include <assert.h>
-#include "distribution.h"
-
-unsigned long distribution_update(unsigned long *dist, const char *progname,
-                                const char *filename) {
-    unsigned int currentCharacter;
-    unsigned long filesize = 0;
-    FILE *file = fopen(filename, "rb");
-    if (file == NULL) {
-        fprintf(stderr, "%s cannot open file (dist) %s \n", progname, filename);
-        exit(EXIT_FAILURE);
-    }
-    while ((currentCharacter = fgetc(file)) != EOF) {
-        dist[currentCharacter]++;
-        filesize++;
-    }
-    fclose(file);
-
-    return filesize;
-}
-
-/*void distribution_show(const unsigned long *dist)
-{
-    int i;
-
-    for (i = 0; i <= UCHAR_MAX; i++)
-    {
-        if (dist[i] > 0)
-        {
-            if (iscntrl(i))
-                printf("\\%d: %lu\n",i,dist[i]);
-            else
-                printf("%c: %lu\n",(char) i,dist[i]);
-        }
-    }
-}*/
-
-const unsigned long *binarysearch(const unsigned long *leftptr,
-             const unsigned long *rightptr,
-             unsigned long key)
-{
-    const unsigned long *midptr;
-    while (leftptr <= rightptr)
-    {
-        midptr = leftptr + (unsigned long) (rightptr-leftptr)/2;
-        if (key < *midptr)
-        {
-            rightptr = midptr - 1;
-        } else
-        {
-            if (key > *midptr)
-            {
-                leftptr = midptr + 1;
-            } else
-                if (key == *midptr)
-            {
-                    while (*(midptr - 1) == key) {
-                         midptr--;
-                    }
-                    return midptr;
-            }
-        }
-    }
-    if (key < *midptr)
-        return midptr;
-    return NULL;
-}
-
-int main (void) {
-
-    const unsigned long array1[] = {10, 13, 15, 15, 17, 18, 20, 22, 25, 27};
-    const unsigned long array2[] = {10, 13, 15, 15, 17, 18, 18, 18, 20, 22};
-    const unsigned long array3[] = {20, 22, 25, 27};
-
-    printf("Adresse: %lu\n", (unsigned long) &array2[5]);
-
-    const unsigned long *element1 = binarysearch(&array1[0], &array1[9], 18);
-    const unsigned long *element2 = binarysearch(&array2[0], &array2[9], 18);
-    const unsigned long *element3 = binarysearch(&array3[0], &array3[3], 18);
-
-    printf("element array 1: %lu\n", *element1);
-    printf("element array 2: %lu\nAdresse: %lu\n", *element2, (unsigned long) element2);
-    printf("element array 3: %lu\n", *element3);
-
-
-    return EXIT_SUCCESS;
-}
-
-