1 files changed, 25 insertions, 0 deletions
diff --git a/fileutils.cpp b/fileutils.cpp
index 62e2c0b..b04a414 100644
--- a/fileutils.cpp
+++ b/fileutils.cpp
@@ -21,8 +21,33 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include "generic.h"
 
+unsigned long filesize(int f_iso)
+{
+    long curpos, length;
+
+    curpos = lseek(f_iso, 0, SEEK_CUR);
+    length = lseek(f_iso, 0, SEEK_END);
+    lseek(f_iso, curpos, SEEK_SET);
+    return length;
+}
+
+void copy(int s, int d, long size) {
+    long i;
+    unsigned char c;
+    long r;
+    
+    for (i = 0; (i < size) || (size < 0); i++) {
+	r = read(s, &c, 1);
+	if (r == 0) {
+	    break;
+	}
+	write(d, &c, 1);
+    }
+}
+
 unsigned long filesize(FILE * f_iso)
 {
     long curpos, length;