Index: uspace/app/mkminix/mkminix.c
===================================================================
--- uspace/app/mkminix/mkminix.c	(revision b84175a426d01de2c6a83fc7a70b3a6bdb3ec3af)
+++ uspace/app/mkminix/mkminix.c	(revision 14c29babfbbf6ce69928f4a67451bae2766ad0de)
@@ -45,5 +45,4 @@
 #include <sys/typefmt.h>
 #include <inttypes.h>
-#include <str.h>
 #include <getopt.h>
 #include <mem.h>
@@ -284,4 +283,5 @@
 
 	root_block = (void *) malloc(MFS_MIN_BLOCKSIZE);
+	memset(root_block, 0x00, MFS_MIN_BLOCKSIZE);
 
 	if (!root_block)
@@ -293,10 +293,10 @@
 
 		dentry->d_inum = MFS_ROOT_INO;
-		str_cpy(dentry->d_name, 1, ".");
+		memcpy(dentry->d_name, ".\0", 2);
 
 		NEXT_DENTRY(dentry, sb->dirsize);
 
 		dentry->d_inum = MFS_ROOT_INO;
-		str_cpy(dentry->d_name, 2, "..");
+		memcpy(dentry->d_name, "..\0", 3);
 	} else {
 		/*Directory entries for V3 filesystem*/
@@ -304,10 +304,10 @@
 
 		dentry->d_inum = MFS_ROOT_INO;
-		str_cpy(dentry->d_name, 1, ".");
+		memcpy(dentry->d_name, ".\0", 2);
 
 		NEXT_DENTRY(dentry, sb->dirsize);
 
 		dentry->d_inum = MFS_ROOT_INO;
-		str_cpy(dentry->d_name, 2, "..");
+		memcpy(dentry->d_name, "..\0", 3);
 	}