libmisc/shell/main_chmod.c

0001 /**
0002  * @file
0003  *
0004  * @brief CHMOD Shell Command Implmentation
0005  */
0006
0007 /*
0008  * Copyright (c) 2001 Fernando Ruiz Casas <fruizcasas@gmail.com>
0009  *
0010  *  The license and distribution terms for this file may be
0011  *  found in the file LICENSE in this distribution or at
0012  *  http://www.rtems.org/license/LICENSE.
0013  */
0014
0015 #ifdef HAVE_CONFIG_H
0016 #include "config.h"
0017 #endif
0018
0019 #include <stdio.h>
0020 #include <unistd.h>
0021 #include <string.h>
0022 #include <errno.h>
0023 #include <sys/types.h>
0024 #include <sys/stat.h>
0025
0026 #include <rtems.h>
0027 #include <rtems/shell.h>
0028 #include <rtems/stringto.h>
0029 #include "internal.h"
0030
0031 static int rtems_shell_main_chmod(
0032   int argc,
0033   char *argv[]
0034 )
0035 {
0036   int           n;
0037   mode_t        mode;
0038   unsigned long tmp;
0039   int           sc;
0040
0041   if (argc < 2) {
0042     fprintf(stderr,"%s: too few arguments\n", argv[0]);
0043     return -1;
0044   }
0045
0046   /*
0047    *  Convert arguments into numbers
0048    */
0049   if ( rtems_string_to_unsigned_long(argv[1], &tmp, NULL, 0) ) {
0050     printf( "Mode argument (%s) is not a number\n", argv[1] );
0051     return -1;
0052   }
0053   mode = (mode_t) (tmp & 0777);
0054
0055   /*
0056    *  Now change the files modes
0057    */
0058   for (n=2 ; n < argc ; n++) {
0059     sc = chmod(argv[n], mode);
0060     _Assert_Unused_variable_unequal(sc, -1);
0061   }
0062
0063   return 0;
0064 }
0065
0066 rtems_shell_cmd_t rtems_shell_CHMOD_Command = {
0067   "chmod",                                      /* name */
0068   "chmod 0777 n1 n2... # change filemode",      /* usage */
0069   "files",                                      /* topic */
0070   rtems_shell_main_chmod,                       /* command */
0071   NULL,                                         /* alias */
0072   NULL                                          /* next */
0073 };