--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ezBAMQC/src/htslib/cram/files.c	Thu Mar 24 17:12:52 2016 -0400
@@ -0,0 +1,76 @@
+/*
+Copyright (c) 1994, 1996-1997, 2000, 2003 MEDICAL RESEARCH COUNCIL
+All rights reserved
+
+Redistribution and use in source and binary forms, with or without 
+modification, are permitted provided that the following conditions are met:
+
+   1 Redistributions of source code must retain the above copyright notice, 
+this list of conditions and the following disclaimer.
+
+   2 Redistributions in binary form must reproduce the above copyright notice, 
+this list of conditions and the following disclaimer in the documentation 
+and/or other materials provided with the distribution.
+
+   3 Neither the name of the MEDICAL RESEARCH COUNCIL, THE LABORATORY OF 
+MOLECULAR BIOLOGY nor the names of its contributors may be used to endorse or 
+promote products derived from this software without specific prior written 
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "io_lib_config.h"
+#endif
+
+#include "cram/misc.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Alliant's Concentrix <sys/stat.h> is hugely deficient */
+/* Define things we require in this program              */
+/* Methinks S_IFMT and S_IFDIR aren't defined in POSIX   */
+#ifndef S_ISDIR
+#define S_ISDIR(m)      (((m)&S_IFMT) == S_IFDIR)
+#endif /*!S_ISDIR*/
+#ifndef S_ISREG
+#define S_ISREG(m)      (((m)&S_IFMT) == S_IFREG)
+#endif /*!S_ISREG*/
+
+int is_directory(char * fn)
+{
+    struct stat buf;
+    if ( stat(fn,&buf) ) return 0;
+    return S_ISDIR(buf.st_mode);
+}
+
+int is_file(char * fn)
+{
+    struct stat buf;
+    if ( stat(fn,&buf) ) return 0;
+    return S_ISREG(buf.st_mode);
+}
+
+int file_exists(char * fn)
+{
+    struct stat buf;
+    return ( stat(fn,&buf) == 0);
+}
+
+int file_size(char * fn)
+{
+    struct stat buf;
+    if ( stat(fn,&buf) != 0) return 0;
+    return buf.st_size;
+}
+