added bubble_sort_c

Author: malloc0x3cc

bubble_sort_c/question.txt

@@ -0,0 +1,2 @@
+Make a C program to bubble sort this array of integers (smallest to biggest): {303, -909, 101, 42, 0, 42, 21, 1, 2}
+Expected result => {-909, 0, 1, 2, 21. 42, 42, 101, 303}

bubble_sort_c/solution/bubble_sort.c

@@ -0,0 +1,23 @@
+#include "bubble_sort.h"
+
+void	swap_values(int *a, int *b)
+{
+	int buffer = *a;
+	*a = *b;
+	*b = buffer;
+}
+
+int *bubble_sort(int *arr, size_t arr_len)
+{
+	size_t i = 0;
+
+	while (i++ < arr_len)
+	{
+		if (arr[i] < arr[i-1])
+		{
+			swap_values(&arr[i], &arr[i-1]);
+			i = 0;
+		}
+	}
+	return(arr);
+}

bubble_sort_c/solution/bubble_sort.h

@@ -0,0 +1,5 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int *bubble_sort(int *arr, size_t arr_len);
+void	print_array(int *arr, size_t arr_len);

bubble_sort_c/solution/main.c

@@ -0,0 +1,12 @@
+#include "bubble_sort.h"
+
+int main(void)
+{
+	int to_sort[] = {303, -909, 101, 42, 0, 42, 21, 1, 2};
+	size_t arr_len = sizeof(to_sort) / sizeof(to_sort[0]);
+	int *sorted = bubble_sort(to_sort, arr_len);
+
+	print_array(sorted, arr_len);
+
+	return(EXIT_SUCCESS);
+}

bubble_sort_c/solution/print_array.c

@@ -0,0 +1,10 @@
+#include "bubble_sort.h"
+
+void	print_array(int *arr, size_t arr_len)
+{
+	size_t i;
+
+	printf("Sorted array:\n");
+	for (i = 0; i < arr_len; i++)
+		printf("%d\n", arr[i]);
+}