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+/* TestRen.c
+ * 
+ * Copyright (C) 2001 Simone Piccardi
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/****************************************************************
+ *
+ * Program TestRen.c: 
+ * Program to test function rename
+ *
+ * Author: Simone Piccardi
+ * Oct. 2001
+ *
+ * Usage: testrem -h give all info's
+ *
+ * $Id: TestRen.c,v 1.4 2003/05/02 09:55:14 piccardi Exp $
+ *
+ ****************************************************************/
+/* 
+ * Include needed headers
+ */
+#include <errno.h>       /* error definitions and routines */ 
+#include <stdlib.h>      /* C standard library */
+#include <unistd.h>      /* unix standard library */
+#include <stdio.h>	 /* standard I/O library */
+#include <string.h>      /* string functions */
+
+/* Help printing routine */
+void usage(void);
+
+int main(int argc, char *argv[])
+{
+/* 
+ * Variables definition  
+ */
+    int i;
+    char *buf,*copy;
+    /*
+     * Input section: decode command line parameters 
+     * Use getopt function
+     */
+    buf = malloc(100);
+
+    opterr = 0;	 /* don't want writing to stderr */
+    while ( (i = getopt(argc, argv, "h")) != -1) {
+	switch (i) {
+	/* 
+	 * Handling options 
+	 */ 
+	case 'h':   /* help option */
+	    printf("Wrong -h option use\n");
+	    usage();
+	    return -1;
+	    break;
+	case '?':   /* unrecognized options */
+	    printf("Unrecognized options -%c\n",optopt);
+	    usage();
+	default:    /* should not reached */
+	    usage();
+	}
+    }
+    /* ***********************************************************
+     * 
+     *		 Options processing completed
+     *
+     *		      Main code beginning
+     * 
+     * ***********************************************************/
+    /* There must be 2 remaing parameters */
+    if ( (argc-optind) != 2 )  {
+	printf("From %d arguments, removed %d options\n", argc, optind);
+	usage();
+    }
+    if ( rename(argv[optind], argv[optind+1]) ) {
+	copy = strerror_r(errno, NULL, 0);
+	perror("cannot rename");
+	exit(1);
+    }
+    return 0;
+}
+/*
+ * routine to print usage info and exit
+ */
+void usage(void) {
+    printf("Program testren : test renaming of file/directories  \n");
+    printf("Usage:\n");
+    printf("  testrem [-h] fileorig filedest \n");
+    printf("  -h	   print this help\n");
+    
+    exit(1);
+}
+