X-Git-Url: https://gapil.gnulinux.it/gitweb/?a=blobdiff_plain;f=sources%2Fmylschroot.c;h=13d93bb6316c36f70e730609f02e0101ce8fe8de;hb=5d621249af8897e27fc0a842a33e7a7ef3b9c2ca;hp=a2b2a8a18228d74965d4ff15c6da54cfe859b60e;hpb=7321862445902ceedfa27b3f9e250fc7ff72653e;p=gapil.git

diff --git a/sources/mylschroot.c b/sources/mylschroot.c
index a2b2a8a..13d93bb 100644
--- a/sources/mylschroot.c
+++ b/sources/mylschroot.c
@@ -18,30 +18,32 @@
  */
 /*****************************************************************************
  *
- * File myls.c: An example ls done after a chroot
+ * File mylschroot.c: An example ls done after a chroot
+ * List files and their size inside a given directory inside a chroot
  *
  * Author: S. Piccardi Mar. 2005
  *
- * $Id$
- *
  *****************************************************************************/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>        /* directory */
-#include <stdlib.h>        /* C standard library */
-#include <unistd.h>
+/* 
+ * Include needed headers
+ */
+#include <sys/types.h>   /* primitive system data types */
+#include <sys/stat.h>    /* file characteristics constants and functions */
+#include <dirent.h>      /* directory operation constants and functions */
+#include <stdlib.h>      /* C standard library */
+#include <unistd.h>      /* unix standard library */
 
 #include "Gapil.h"
-/*
- * Program myls
- *
- * List files and their size inside a given directory
+
+/* 
+ * Function and globals definitions
  */
-/* Help printing routine */
-void usage(void);
-/* computation function for DirScan */
-int do_ls(struct dirent * direntry);
+void usage(void);                     /* Help printing routine */
+int do_ls(struct dirent * direntry);  /* computation function for DirScan */
 
+/*
+ * Main program
+ */
 int main(int argc, char *argv[]) 
 {
     int i;
@@ -52,7 +54,7 @@ int main(int argc, char *argv[])
      * Use getopt function
      */
     opterr = 0;	 /* don't want writing to stderr */
-    while ( (i = getopt(argc, argv, "hs:l:wrbf")) != -1) {
+    while ( (i = getopt(argc, argv, "h")) != -1) {
 	switch (i) {
 	/* 
 	 * Handling options 
@@ -112,7 +114,7 @@ int do_ls(struct dirent * direntry)
  * routine to print usage info and exit
  */
 void usage(void) {
-    printf("Program myls: list file in a directory \n");
+    printf("Program mylschroot: chroot in a directory and list files \n");
     printf("Usage:\n");
     printf("  myls [-h] dirname \n");
     printf("  -h	   print this help\n");