-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#if 0
#define DEBUG
#endif
+/* for O_DIRECTORY and O_DIRECT */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
+#include <lustre/lustre_user.h>
typedef struct flag_mapping {
- char string[20];
- int flag;
+ const char *string;
+ const int flag;
} FLAG_MAPPING;
FLAG_MAPPING flag_table[] = {
{"O_NONBLOCK", O_NONBLOCK},
{"O_NDELAY", O_NDELAY},
{"O_SYNC", O_SYNC},
- {"O_NOFOLLOW", O_NOFOLLOW},
- {"O_DIRECTORY", O_DIRECTORY},
+#ifdef O_DIRECT
+ {"O_DIRECT", O_DIRECT},
+#endif
{"O_LARGEFILE", O_LARGEFILE},
+ {"O_DIRECTORY", O_DIRECTORY},
+ {"O_NOFOLLOW", O_NOFOLLOW},
+ {"O_LOV_DELAY_CREATE", O_LOV_DELAY_CREATE},
{"", -1}
};
int main(int argc, char** argv)
{
int fd;
- int flags=0;
- mode_t mode=0;
- char* fname=NULL;
- int mode_set=0;
- int flag_set=0;
- int file_set=0;
- char c;
- char* cloned_flags;
+ int flags = 0;
+ mode_t mode = 0644;
+ char *fname = NULL;
+ int mode_set = 0;
+ int flag_set = 0;
+ int c;
+ int save_errno = 0;
+ int print_usage = 0;
+ char *cloned_flags = NULL;
if (argc == 1)
Usage_and_abort();
case 'f': {
char *tmp;
- cloned_flags = (char *)malloc(strlen(optarg));
+ cloned_flags = (char *)malloc(strlen(optarg)+1);
if (cloned_flags == NULL) {
fprintf(stderr, "Insufficient memory.\n");
- exit(-1);
+ save_errno = -1;
+ goto out;
}
- strncpy(cloned_flags, optarg, strlen(optarg));
- for (tmp = strtok(optarg, ":|"); tmp;
+ strncpy(cloned_flags, optarg, strlen(optarg)+1);
+ flags = atoi(cloned_flags);
+ if (flags > 0) {
+ flag_set = 1;
+#ifdef DEBUG
+ printf("flags = %d\n",flags);
+#endif
+ break;
+ } else
+ flags = 0;
+
+ for (tmp = strtok(cloned_flags, ":|"); tmp;
tmp = strtok(NULL, ":|")) {
int i = 0;
#ifdef DEBUG
if (flag_table[i].flag == -1) {
fprintf(stderr, "No such flag: %s\n",
tmp);
- exit(-1);
+ save_errno = -1;
+ goto out;
}
}
#ifdef DEBUG
break;
default:
fprintf(stderr, "Bad parameters.\n");
- Usage_and_abort();
+ print_usage = 1;
+ goto out;
}
}
if (optind == argc) {
fprintf(stderr, "Bad parameters.\n");
- Usage_and_abort();
+ print_usage = 1;
+ goto out;
}
fname = argv[optind];
- file_set = 1;
- if (!flag_set || !file_set) {
+ if (!flag_set) {
fprintf(stderr, "Missing flag or file-name\n");
- exit(-1);
+ save_errno = -1;
+ goto out;
}
- if (mode_set)
+ if (flags & O_CREAT)
fd = open(fname, flags, mode);
else
fd = open(fname, flags);
+ save_errno = errno;
+
if (fd != -1) {
- fprintf(stderr, "Succeed in opening file \"%s\"(flags=%s",
- fname, cloned_flags);
+ printf("Succeed in opening file \"%s\"(flags=%s",
+ fname, cloned_flags);
if (mode_set)
- fprintf(stderr, ", mode=%o", mode);
- fprintf(stderr, ")\n");
+ printf(", mode=%o", mode);
+ printf(")\n");
close(fd);
} else {
fprintf(stderr, "Error in opening file \"%s\"(flags=%s",
fname, cloned_flags);
if (mode_set)
fprintf(stderr, ", mode=%o", mode);
- fprintf(stderr, ") %d: %s\n", errno, strerror(errno));
+ fprintf(stderr, ") %d: %s\n", save_errno, strerror(save_errno));
}
- return errno;
+
+out:
+ if (cloned_flags)
+ free(cloned_flags);
+ if (print_usage)
+ Usage_and_abort();
+
+ return save_errno;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff