Initial import

1 files changed, 43 insertions, 0 deletions

diff --git a/tools.c b/tools.c
new file mode 100644
index 0000000..608a4ec
--- /dev/null
+++ b/tools.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+
+void *memcpy8(void * dst, void const * src, size_t len) {
+    int i;
+    for (i = 0; i < len; i++) ((char*)dst)[i] = ((char*)src)[i];
+    return dst;
+}
+
+
+void *memcpy32(void * dst, void const * src, size_t len) {
+    uint32_t * plDst = (uint32_t *) dst;
+    uint32_t const * plSrc = (uint32_t const *) src;
+
+    while (len >= 4) {
+        *plDst++ = *plSrc++;
+        len -= 4;
+    }
+
+    char * pcDst = (char *) plDst;
+    char const * pcSrc = (char const *) plSrc;
+
+    while (len--) {
+        *pcDst++ = *pcSrc++;
+    }
+
+    return (dst);
+} 
+
+
+int get_page_mask() {
+    int pagesize,pagemask,temp;
+
+    pagesize = getpagesize();
+
+    for( pagemask=0, temp = pagesize; temp != 1; ) {
+	temp = (temp >> 1);
+	pagemask = (pagemask << 1)+1;
+    }
+    return pagemask;
+}