fork download
copy 
  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. typedef int (*comparator_t)(void*, void*);
  5.  
  6. void bubble_sort(void *items, size_t size, size_t count, comparator_t compare) {
  7.     int i, j;
  8.     char temp[size];
  9.     for(i = 0; i < count - 1; ++i) {
  10.         for(j = i + 1; j < count; ++j) {
  11.             if (compare(items + (i * size), items + (j * size)) == 1) {
  12.                 memcpy(temp, items + (i * size), size);
  13.                 memcpy(items + i * size, items + (j * size), size);
  14.                 memcpy(items + (j * size), temp, size);
  15.             }
  16.         }
  17.     }
  18. }
  19.  
  20. int compare_long(void* p_a, void* p_b) {
  21.     long a = *(long*)p_a;
  22.     long b = *(long*)p_b;
  23.  
  24.     if(a < b) return -1;
  25.     if(a > b) return 1;
  26.     return 0;
  27. }
  28.  
  29. int main(int argc, char *argv[]) {
  30.     long x[] = { 5, 6, 1, 2, 9 };
  31.     int i;
  32.  
  33.     for (i = 0; i < 5; ++i) printf("%ld ", x[i]);
  34.     printf("\n");
  35.  
  36.     bubble_sort(x, sizeof(long), 5, compare_long);
  37.  
  38.     for (i = 0; i < 5; ++i) printf("%ld ", x[i]);
  39. }
Success #stdin #stdout 0s 2168KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5 6 1 2 9 
1 2 5 6 9
https://ideone.com/7Nqn9M
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!