io/file.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2004-2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #include "command.h"
   8 #include "input.h"
   9 #include <sys/mman.h>
  10 #include "init.h"
  11 #include "io.h"
  12
  13 static cmdinfo_t file_cmd;
  14 static cmdinfo_t print_cmd;
  15
  16 fileio_t        *filetable;
  17 int             filecount;
  18 fileio_t        *file;
  19
  20 static void
  21 print_fileio(
  22         fileio_t        *file,
  23         int             index,
  24         int             braces)
  25 {
  26         printf(_("%c%03d%c %-14s (%s,%s,%s,%s%s%s%s%s%s%s)\n"),
  27                 braces? '[' : ' ', index, braces? ']' : ' ', file->name,
  28                 file->flags & IO_FOREIGN ? _("foreign") : _("xfs"),
  29                 file->flags & IO_OSYNC ? _("sync") : _("non-sync"),
  30                 file->flags & IO_DIRECT ? _("direct") : _("non-direct"),
  31                 file->flags & IO_READONLY ? _("read-only") : _("read-write"),
  32                 file->flags & IO_REALTIME ? _(",real-time") : "",
  33                 file->flags & IO_APPEND ? _(",append-only") : "",
  34                 file->flags & IO_NONBLOCK ? _(",non-block") : "",
  35                 file->flags & IO_TMPFILE ? _(",tmpfile") : "",
  36                 file->flags & IO_PATH ? _(",path") : "",
  37                 file->flags & IO_NOFOLLOW ? _(",nofollow") : "");
  38 }
  39
  40 int
  41 filelist_f(void)
  42 {
  43         int             i;
  44
  45         for (i = 0; i < filecount; i++)
  46                 print_fileio(&filetable[i], i, &filetable[i] == file);
  47         return 0;
  48 }
  49
  50 static int
  51 print_f(
  52         int             argc,
  53         char            **argv)
  54 {
  55         filelist_f();
  56         maplist_f();
  57         return 0;
  58 }
  59
  60 static int
  61 file_f(
  62         int             argc,
  63         char            **argv)
  64 {
  65         int             i;
  66
  67         if (argc <= 1)
  68                 return filelist_f();
  69         i = atoi(argv[1]);
  70         if (i < 0 || i >= filecount) {
  71                 printf(_("value %d is out of range (0-%d)\n"), i, filecount-1);
  72                 exitcode = 1;
  73         } else {
  74                 file = &filetable[i];
  75                 filelist_f();
  76         }
  77         return 0;
  78 }
  79
  80 void
  81 file_init(void)
  82 {
  83         file_cmd.name = "file";
  84         file_cmd.altname = "f";
  85         file_cmd.args = _("[N]");
  86         file_cmd.cfunc = file_f;
  87         file_cmd.argmin = 0;
  88         file_cmd.argmax = 1;
  89         file_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK | CMD_FLAG_ONESHOT;
  90         file_cmd.oneline = _("set the current file");
  91
  92         print_cmd.name = "print";
  93         print_cmd.altname = "p";
  94         print_cmd.cfunc = print_f;
  95         print_cmd.argmin = 0;
  96         print_cmd.argmax = 0;
  97         print_cmd.flags = CMD_NOMAP_OK | CMD_NOFILE_OK | CMD_FOREIGN_OK |
  98                                 CMD_FLAG_ONESHOT;
  99         print_cmd.oneline = _("list current open files and memory mappings");
 100
 101         add_command(&file_cmd);
 102         add_command(&print_cmd);
 103 }