4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
27 * This file is part of Lustre, http://www.lustre.org/
28 * Lustre is a trademark of Sun Microsystems, Inc.
35 /* for O_DIRECTORY and O_DIRECT */
41 #include <sys/types.h>
48 #include <linux/lustre/lustre_user.h>
50 typedef struct flag_mapping {
55 FLAG_MAPPING flag_table[] = {
56 {"O_RDONLY", O_RDONLY},
57 {"O_WRONLY", O_WRONLY},
61 {"O_NOCTTY", O_NOCTTY},
63 {"O_APPEND", O_APPEND},
64 {"O_NONBLOCK", O_NONBLOCK},
65 {"O_NDELAY", O_NDELAY},
68 {"O_DIRECT", O_DIRECT},
70 {"O_LARGEFILE", O_LARGEFILE},
71 {"O_DIRECTORY", O_DIRECTORY},
72 {"O_NOFOLLOW", O_NOFOLLOW},
73 {"O_LOV_DELAY_CREATE", O_LOV_DELAY_CREATE},
77 void Usage_and_abort(void)
79 fprintf(stderr, "Usage: openfile -f flags [ -m mode ] filename \n");
80 fprintf(stderr, "e.g. openfile -f O_RDWR:O_CREAT -m 0755 /etc/passwd\n");
84 int main(int argc, char** argv)
95 char *cloned_flags = NULL;
100 while ((c = getopt (argc, argv, "f:m:")) != -1) {
105 cloned_flags = strdup(optarg);
106 if (cloned_flags == NULL) {
107 fprintf(stderr, "Insufficient memory.\n");
112 flags = atoi(cloned_flags);
116 printf("flags = %d\n",flags);
122 for (tmp = strtok(cloned_flags, ":|"); tmp;
123 tmp = strtok(NULL, ":|")) {
126 printf("flags = %s\n",tmp);
129 for (i = 0; flag_table[i].flag != -1; i++) {
130 if (!strcmp(tmp, flag_table[i].string)){
131 flags |= flag_table[i].flag;
136 if (flag_table[i].flag == -1) {
137 fprintf(stderr, "No such flag: %s\n",
144 printf("flags = %x\n", flags);
150 printf("mode = %s\n", optarg);
152 mode = strtol(optarg, NULL, 8);
155 printf("mode = %o\n", mode);
159 fprintf(stderr, "Bad parameters.\n");
165 if (optind == argc) {
166 fprintf(stderr, "Bad parameters.\n");
171 fname = argv[optind];
174 fprintf(stderr, "Missing flag or file-name\n");
181 fd = open(fname, flags, mode);
183 fd = open(fname, flags);
188 printf("Succeed in opening file \"%s\"(flags=%s",
189 fname, cloned_flags);
192 printf(", mode=%o", mode);
196 fprintf(stderr, "Error in opening file \"%s\"(flags=%s",
197 fname, cloned_flags);
199 fprintf(stderr, ", mode=%o", mode);
200 fprintf(stderr, ") %d: %s\n", save_errno, strerror(save_errno));