20090531-0106

1 files changed, 77 insertions, 0 deletions

diff --git a/utils/6l/Nt.c b/utils/6l/Nt.c
new file mode 100644
index 00000000..73c6f795
--- /dev/null
+++ b/utils/6l/Nt.c
@@ -0,0 +1,77 @@
+#include <windows.h>
+#include "l.h"
+
+/*
+ * fake malloc
+ */
+void*
+malloc(uint n)
+{
+	void *p;
+
+	while(n & 7)
+		n++;
+	while(nhunk < n)
+		gethunk();
+	p = hunk;
+	nhunk -= n;
+	hunk += n;
+	return p;
+}
+
+void
+free(void *p)
+{
+	USED(p);
+}
+
+void*
+calloc(uint m, uint n)
+{
+	void *p;
+
+	n *= m;
+	p = malloc(n);
+	memset(p, 0, n);
+	return p;
+}
+
+void*
+realloc(void *p, uint n)
+{
+	void *new;
+
+	new = malloc(n);
+	if(new && p)
+		memmove(new, p, n);
+	return new;
+}
+
+#define	Chunk	(1*1024*1024)
+
+void*
+mysbrk(ulong size)
+{
+	void *v;
+	static int chunk;
+	static uchar *brk;
+
+	if(chunk < size) {
+		chunk = Chunk;
+		if(chunk < size)
+			chunk = Chunk + size;
+		brk = VirtualAlloc(NULL, chunk, MEM_COMMIT, PAGE_EXECUTE_READWRITE); 	
+		if(brk == 0)
+			return (void*)-1;
+	}
+	v = brk;
+	chunk -= size;
+	brk += size;
+	return v;
+}
+
+double
+cputime(void)
+{
+	return ((double)0);
+}