initial commit of lk (little kernel) project
diff --git a/lib/libc/malloc.c b/lib/libc/malloc.c
new file mode 100644
index 0000000..fd5fe8a
--- /dev/null
+++ b/lib/libc/malloc.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <debug.h>
+#include <malloc.h>
+#include <string.h>
+#include <lib/heap.h>
+
+void *malloc(size_t size)
+{
+ return heap_alloc(size, 0);
+}
+
+void *memalign(size_t boundary, size_t size)
+{
+ return heap_alloc(size, boundary);
+}
+
+void *calloc(size_t count, size_t size)
+{
+ void *ptr;
+ size_t realsize = count * size;
+
+ ptr = heap_alloc(realsize, 0);
+ if (!ptr)
+ return NULL;
+
+ memset(ptr, 0, realsize);
+ return ptr;
+}
+
+void free(void *ptr)
+{
+ return heap_free(ptr);
+}
+