1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tests/dstest_file_access.cc Wed Feb 09 22:30:29 2022 +0100
1.3 @@ -0,0 +1,98 @@
1.4 +/*
1.5 + * Test file access.
1.6 + *
1.7 + * Copyright (C) 2020, 2021, 2022 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#include <l4/re/env.h>
1.26 +#include <l4/sys/err.h>
1.27 +
1.28 +#include <stdio.h>
1.29 +#include <string.h>
1.30 +#include <stdlib.h>
1.31 +
1.32 +#include <fsclient/client.h>
1.33 +#include <systypes/fcntl.h>
1.34 +
1.35 +
1.36 +
1.37 +int main(int argc, char *argv[])
1.38 +{
1.39 + if (argc < 2)
1.40 + {
1.41 + printf("Need directory names.\n");
1.42 + return 1;
1.43 + }
1.44 +
1.45 + for (int i = 1; i < argc; i++)
1.46 + {
1.47 + char *dirname = argv[i];
1.48 +
1.49 + printf("Opening %s...\n", dirname);
1.50 +
1.51 + file_t *reader = client_opendir(dirname);
1.52 +
1.53 + if (reader == NULL)
1.54 + {
1.55 + printf("Could not read from directory: %s\n", dirname);
1.56 + continue;
1.57 + }
1.58 +
1.59 + printf("Reading...\n");
1.60 +
1.61 + struct dirent *dirent;
1.62 +
1.63 + while ((dirent = client_readdir(reader)) != NULL)
1.64 + {
1.65 + char *filename = dirent->d_name;
1.66 + if (!strlen(filename) || (filename[0] == '.'))
1.67 + continue;
1.68 +
1.69 + char path[strlen(filename) + strlen(dirname) + 2];
1.70 +
1.71 + sprintf(path, "%s/%s", dirname, filename);
1.72 +
1.73 + printf("Attempt to read %s...\n", filename);
1.74 +
1.75 + file_t *file = client_open(path, O_RDONLY);
1.76 +
1.77 + if (file == NULL)
1.78 + printf("Could not open file: %s\n", filename);
1.79 + else
1.80 + {
1.81 + char buffer[32];
1.82 + offset_t nread = client_read(file, buffer, 32);
1.83 +
1.84 + fputs("Start of file: ", stdout);
1.85 + fwrite(buffer, sizeof(char), nread, stdout);
1.86 + fputs("\n", stdout);
1.87 +
1.88 + client_close(file);
1.89 + }
1.90 +
1.91 + free(dirent);
1.92 + }
1.93 +
1.94 + printf("Directory shown.\n");
1.95 +
1.96 + }
1.97 +
1.98 + return 0;
1.99 +}
1.100 +
1.101 +// vim: tabstop=2 expandtab shiftwidth=2