L4Re/departure

Annotated tests/dstest_file_rename.cc

402:dbc8c17a4f81
391:bc65615a8fed
271:f488a98bcc34
2022-06-30 Paul Boddie file changeset files shortlog Added missing structure members. mmap-region-flags
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/*
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 * Test renaming operations.
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 *
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 * Copyright (C) 2020, 2021, 2022 Paul Boddie <paul@boddie.org.uk>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 * published by the Free Software Foundation; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
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 * Boston, MA  02110-1301, USA
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 */
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#include <l4/re/env.h>
 
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#include <l4/sys/err.h>
 
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#include <stdio.h>
 
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#include <string.h>
 
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#include <stdlib.h>
 
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#include <fsclient/client.h>
 
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#include <systypes/fcntl.h>
 
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/* Show a directory's contents and determine if all expected files are
 
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   present. */
 
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static int show_directory(const char *filename, int expected)
 
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{
 
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  file_t *reader = client_opendir(filename);
 
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  if (reader == NULL)
 
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  {
 
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    printf("Could not read from directory.\n");
 
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    return 1;
 
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  }
 
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  printf("Reading...\n");
 
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  struct dirent *dirent;
 
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  int renamed = 0;
 
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  while ((dirent = client_readdir(reader)) != NULL)
 
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  {
 
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    if (!strncmp(dirent->d_name, "renamed-", 8))
 
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      renamed++;
 
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    printf("> %s\n", dirent->d_name);
 
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    free(dirent);
 
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  }
 
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  printf("Directory shown.\n");
 
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  printf("Renamed files: %d (%d)\n", renamed, expected);
 
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  if (renamed != expected)
 
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    return 1;
 
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  return 0;
 
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}
 
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int main(int argc, char *argv[])
 
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{
 
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  if (argc < 3)
 
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  {
 
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    printf("Need a directory containing files and a new directory name.\n");
 
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    return 1;
 
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  }
 
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  char *filename = argv[1], *newdir = argv[2];
 
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  printf("Opening %s...\n", filename);
 
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  file_t *reader = client_opendir(filename);
 
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  if (reader == NULL)
 
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  {
 
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    printf("Could not read from directory.\n");
 
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    return 1;
 
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  }
 
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  printf("Reading...\n");
 
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  struct dirent *dirent;
 
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  while ((dirent = client_readdir(reader)) != NULL)
 
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  {
 
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    printf("> %s\n", dirent->d_name);
 
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    free(dirent);
 
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  }
 
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  printf("Directory shown.\n");
 
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  /* Rename some files. */
 
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  char source[strlen(filename) + strlen("/file-XXXX.txt") + 10];
 
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  char target[strlen(filename) + strlen("/file-XXXX.txt") + 10];
 
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  int filenum, to_rename = 100;
 
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  long err;
 
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  for (filenum = 1; filenum <= to_rename; filenum++)
 
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  {
 
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    sprintf(source, "%s/file-%d.txt", filename, filenum);
 
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    sprintf(target, "%s/renamed-%d.txt", filename, filenum);
 
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    err = client_rename(source, target);
 
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    if (err)
 
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    {
 
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      printf("Could not rename file: %s\n", source);
 
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      return 1;
 
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    }
 
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  }
 
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  /* Show the new listing. */
 
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  if (show_directory(filename, to_rename))
 
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    return 1;
 
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  /* Create a directory and move files into it. */
 
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  err = client_mkdir(newdir, 0755);
 
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  if (err)
 
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  {
 
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    printf("Could not make directory: %s\n", newdir);
 
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    return 1;
 
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  }
 
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  reader = client_opendir(filename);
 
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  if (reader == NULL)
 
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  {
 
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    printf("Could not read from directory.\n");
 
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    return 1;
 
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  }
 
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  printf("Renaming...\n");
 
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  while ((dirent = client_readdir(reader)) != NULL)
 
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  {
 
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    if (!strncmp(dirent->d_name, "renamed-", 8))
 
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    {
 
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      sprintf(source, "%s/%s", filename, dirent->d_name);
 
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      sprintf(target, "%s/%s", newdir, dirent->d_name);
 
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      err = client_rename(source, target);
 
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      if (err)
 
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      {
 
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        printf("Could not rename file: %s\n", source);
 
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        return 1;
 
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      }
 
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    }
 
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    free(dirent);
 
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  }
 
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  /* Show the new directory's listing. */
 
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  if (show_directory(newdir, to_rename))
 
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    return 1;
 
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  printf("End of tests.\n");
 
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  return 0;
 
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}
 
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