L4Re/departure

fsaccess/op_make_dirs.c

386:7b7a35cc68e6
2022-06-26 Paul Boddie Added unsubscribe operations when closing pagers to release notifiers. mmap-region-flags
     1 /*     2  * Make a directory in the filesystem using the client library.     3  *     4  * Copyright (C) 2019, 2022 Paul Boddie <paul@boddie.org.uk>     5  *     6  * This program is free software; you can redistribute it and/or     7  * modify it under the terms of the GNU General Public License as     8  * published by the Free Software Foundation; either version 2 of     9  * the License, or (at your option) any later version.    10  *    11  * This program is distributed in the hope that it will be useful,    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    14  * GNU General Public License for more details.    15  *    16  * You should have received a copy of the GNU General Public License    17  * along with this program; if not, write to the Free Software    18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,    19  * Boston, MA  02110-1301, USA    20  */    21     22 #include <stdio.h>    23 #include <stdlib.h>    24 #include <string.h>    25 #include <unistd.h>    26     27 #include <sys/stat.h>    28 #include <sys/types.h>    29     30 #include <e2access/path.h>    31 #include <fsclient/client.h>    32     33 #include "ops.h"    34 #include "session.h"    35     36     37     38 /* Alternative metadata set by options. */    39     40 extern struct metadata md;    41     42     43     44 static int _make_dir(const char *path)    45 {    46     char parent[strlen(path) + 1];    47     48     /* Attempt to create the directory and return if successful. */    49     50     long err = client_mkdir(path, 0777 & ~md.mask);    51     52     if (!err)    53         return 0;    54     55     /* Without a usable parent directory, attempt to create the parent, and then    56        attempt to create the directory again. */    57     58     if (err == -L4_ENOENT)    59     {    60         strcpy(parent, path);    61         path_split(parent);    62     63         if (_make_dir(parent))    64             return 1;    65     66         return _make_dir(path);    67     }    68     69     fprintf(stderr, "Could not create directory: %s\n", path);    70     return 1;    71 }    72     73 static int _make_dirs(const char *path)    74 {    75     struct stat st;    76     77     /* Search for the remaining components. */    78     79     long err = client_stat(path, &st);    80     81     if (!err)    82     {    83         fprintf(stderr, "Path exists: %s\n", path);    84         return 1;    85     }    86     87     /* Try and make the directory. */    88     89     return _make_dir(path);    90 }    91     92 /* Make directories in the filesystem. */    93     94 int make_dirs(int argc, char *argv[])    95 {    96     int i;    97     98     /* Make each directory component in the given pathname. */    99    100     for (i = 0; i < argc; i++)   101         if (_make_dirs(argv[i]))   102             return 1;   103    104     return 0;   105 }   106    107 /* vim: tabstop=4 expandtab shiftwidth=4   108 */