init

AcquiringLand/Fundamentals/leaks.c

@@ -0,0 +1,51 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int **allocate_matrix(int rows, int cols)
+{
+    int **matrix = malloc(rows * sizeof(int *));
+    if (!matrix)
+        return NULL;
+    for (int i = 0; i < rows; i++)
+    {
+        matrix[i] = malloc(cols * sizeof(int));
+        if (!matrix[i])
+        {
+            for (int j = 0; j < i; j++)
+                free(matrix[j]);
+            free(matrix);
+            return NULL;
+        }
+    }
+    return matrix;
+}
+
+void free_matrix(int **matrix, int rows)
+{
+    if (!matrix)
+        return;
+    free(matrix);
+    return;
+}
+
+int main(void)
+{
+    int rows = 5;
+    int cols = 5;
+    int **matrix = allocate_matrix(rows, cols);
+    if (!matrix)
+    {
+        return EXIT_FAILURE;
+    }
+
+    for (int i = 0; i < rows; i++)
+    {
+        for (int j = 0; j < cols; j++)
+        {
+            matrix[i][j] = i * cols + j;
+        }
+    }
+
+    free_matrix(matrix, rows);
+    return EXIT_SUCCESS;
+}