feat: Adding malloc wrapper for memory safety.

include/utils.h

@@ -0,0 +1,54 @@
+#include <stddef.h>
+
+/*
+ * Returns pointer to formatted the string.
+ *
+ * fmt (const char*) Formatter string.
+ * ... (args) Arguments.
+ *
+ * Note: The string is dynamically allocated and must be freed.
+ */
+char *format_string(const char *fmt, ...);
+
+/**
+ * Internal function to create shared memory for all tests in a suit.
+ *
+ * size (size_t) Size of space in bytes.
+ */
+int create_shared_suit_space(size_t size);
+
+/**
+ * Wrapper for malloc function that notes down the allocated blocks. All
+ * blocks allocated with this function get freed after test execution.
+ * This function should only be used if the object might still be in memory
+ * once a test fails. Manual allocation should be preferred.
+ *
+ * n (size_t) Amount of bytes to allocate.
+ */
+void *set_malloc(size_t n);
+
+/**
+ * Wrapper for fee(void*).
+ *
+ * See also: set_malloc()
+ */
+void set_free(void *address);
+
+/**
+ * Internal function to free all allocated and registered memory.
+ */
+void set_free_all();
+
+/**
+ * Wrapper for calloc.
+ *
+ * See also: set_malloc()
+ */
+void *set_calloc(size_t n, size_t size);
+
+/**
+ * Wrapper for realloc().
+ *
+ * See also: set_malloc()
+ */
+void *set_realloc(size_t n);