Import placeholders for free() and malloc()

include/errno.h

@@ -10,6 +10,7 @@
 
 /* constants */
 # define EBADF		9
+# define ENOMEM		12
 # define ENODEV		19
 # define EINVAL		22
 # define ERANGE		34

include/stdlib.h

@@ -16,7 +16,9 @@ void abort(void);
 int abs(int x);
 uint32_t arc4random(void);
 void exit(int status);
+void free(void * ptr);
 long labs(long x);
 long long llabs(long long x);
+void * malloc(size_t size);
 
 #endif /* !UKERNEL_STDLIB_H */

src/lib/stdlib.c

@@ -5,6 +5,7 @@
 
 
 #include <unistd.h>
+#include <errno.h>
 #include <stdlib.h>
 
 
@@ -39,6 +40,12 @@ void exit(int status)
 }
 
 
+/* free */
+void free(void * ptr)
+{
+}
+
+
 /* labs */
 long labs(long x)
 {
@@ -51,3 +58,13 @@ long long llabs(long long x)
 {
 	return (x >= 0) ? x : -x;
 }
+
+
+/* malloc */
+void * malloc(size_t size)
+{
+	if(size == 0)
+		return NULL;
+	errno = ENOMEM;
+	return NULL;
+}