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87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "lib.h"
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#include <sys/file.h>
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#include <fcntl.h>
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#include <dirent.h>
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static int _create_dir_recursive(const char *dir)
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{
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char *orig, *s;
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int rc, r = 0;
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log_verbose("Creating directory \"%s\"", dir);
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/* Create parent directories */
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orig = s = dm_strdup(dir);
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while ((s = strchr(s, '/')) != NULL) {
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*s = '\0';
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if (*orig) {
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rc = mkdir(orig, 0777);
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if (rc < 0 && errno != EEXIST) {
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if (errno != EROFS)
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log_sys_error("mkdir", orig);
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goto out;
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}
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}
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*s++ = '/';
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}
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/* Create final directory */
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rc = mkdir(dir, 0777);
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if (rc < 0 && errno != EEXIST) {
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if (errno != EROFS)
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log_sys_error("mkdir", orig);
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goto out;
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}
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r = 1;
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out:
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dm_free(orig);
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return r;
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}
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int dm_create_dir(const char *dir)
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{
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struct stat info;
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if (!*dir)
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return 1;
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if (stat(dir, &info) < 0)
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return _create_dir_recursive(dir);
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if (S_ISDIR(info.st_mode))
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return 1;
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log_error("Directory \"%s\" not found", dir);
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return 0;
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}
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int dm_fclose(FILE *stream)
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{
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int prev_fail = ferror(stream);
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int fclose_fail = fclose(stream);
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/* If there was a previous failure, but fclose succeeded,
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clear errno, since ferror does not set it, and its value
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may be unrelated to the ferror-reported failure. */
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if (prev_fail && !fclose_fail)
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errno = 0;
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return prev_fail || fclose_fail ? EOF : 0;
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}
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