lib: c: combine libc and ulibc

libc is now made up of several independent components, each of which is individually compiled into a static library.
they are then all combined into a single shared library.

lib/libc/malloc/include/heap/_liballoc.h

@@ -0,0 +1,16 @@
+#ifndef HEAP__LIBALLOC_H_
+#define HEAP__LIBALLOC_H_
+
+struct liballoc_major;
+struct liballoc_minor;
+
+#define HEAP_INIT                                                              \
+	{                                                                      \
+		.heap_region = KERN_HANDLE_INVALID,                            \
+		.heap_liballoc = {                                             \
+			.l_pageSize = 4096,                                    \
+			.l_pageCount = 16,                                     \
+		},                                                             \
+	}
+
+#endif

lib/libc/malloc/include/heap/heap.h

@@ -0,0 +1,50 @@
+#ifndef HEAP_H_
+#define HEAP_H_
+
+#include <heap/_liballoc.h>
+#include <mango/types.h>
+#include <stddef.h>
+
+typedef enum heap_result {
+	HEAP_OK = 0,
+	HEAP_ERR_NO_MEMORY,
+	HEAP_ERR_INVALID_ARGUMENT,
+} heap_result_t;
+
+typedef struct heap {
+	kern_handle_t heap_region;
+	/* amount of space requested from the heap by the user */
+	size_t heap_req_alloc;
+	/* amount of space requested from the system by the heap */
+	size_t heap_sys_alloc;
+	/* base address of the heap */
+	virt_addr_t heap_base;
+
+	union {
+		struct {
+			struct liballoc_major *l_memRoot;
+			struct liballoc_major *l_bestBet;
+
+			unsigned int l_pageSize;
+			unsigned int l_pageCount;
+			unsigned long long l_allocated;
+			unsigned long long l_inuse;
+
+			long long l_warningCount;
+			long long l_errorCount;
+			long long l_possibleOverruns;
+		} heap_liballoc;
+	};
+} heap_t;
+
+extern kern_status_t heap_init(heap_t *heap, size_t size);
+extern kern_status_t heap_destroy(heap_t *heap);
+
+extern void *heap_alloc(heap_t *heap, size_t sz);
+extern void *heap_realloc(heap_t *heap, void *p, size_t sz);
+extern void *heap_calloc(heap_t *heap, size_t num, size_t itemsz);
+extern void heap_free(heap_t *heap, void *p);
+
+extern void *heap_expand(heap_t *heap, size_t size);
+
+#endif