diff --git a/bochs/gui/enh_dbg.cc b/bochs/gui/enh_dbg.cc
index 50832bbf1..048bd4e7a 100644
--- a/bochs/gui/enh_dbg.cc
+++ b/bochs/gui/enh_dbg.cc
@@ -3443,11 +3443,11 @@ BxEvent *enh_dbg_notify_callback(void *unused, BxEvent *event)
 static size_t strip_whitespace(char *s)
 {
   size_t ptr = 0;
-  char *tmp = (char*)malloc(strlen(s)+1);
+  char *tmp = new [strlen(s)+1];
   strcpy(tmp, s);
   while (s[ptr] == ' ') ptr++;
   if (ptr > 0) strcpy(s, tmp+ptr);
-  free(tmp);
+  delete [] tmp;
   ptr = strlen(s);
   while ((ptr > 0) && (s[ptr-1] == ' ')) {
     s[--ptr] = 0;
diff --git a/bochs/osdep.cc b/bochs/osdep.cc
index cab91e6bb..512961441 100644
--- a/bochs/osdep.cc
+++ b/bochs/osdep.cc
@@ -206,14 +206,12 @@ int main (int argc, char **argv)
 
 #if !BX_HAVE_STRDUP
 /* XXX use real strdup */
-char *bx_strdup(const char *str)
+char *bx_strdup(const char *s)
 {
-  char *temp = (char*)malloc(strlen(str)+1);
-  sprintf(temp, "%s", str);
-  return temp;
-
-  // Well, I'm sure this isn't how strdup is REALLY implemented,
-  // but it works...
+  char *p = malloc (strlen (s) + 1);   // allocate memory
+  if (p != NULL)
+      strcpy (p,s);                    // copy string
+  return p;                            // return the memory
 }
 #endif  /* !BX_HAVE_STRDUP */