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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* Error-checking replacement for "mkdir -p".
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <support/support.h>
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#include <support/check.h>
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#include <support/xunistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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/* Equivalent of "mkdir -p". Any failures cause FAIL_EXIT1 so no
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return code is needed. */
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void
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xmkdirp (const char *path, mode_t mode)
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{
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struct stat s;
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const char *slash_p;
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int rv;
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if (path[0] == 0)
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return;
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if (stat (path, &s) == 0)
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{
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if (S_ISDIR (s.st_mode))
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return;
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errno = EEXIST;
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FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
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}
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slash_p = strrchr (path, '/');
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if (slash_p != NULL)
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{
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while (slash_p > path && slash_p[-1] == '/')
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--slash_p;
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if (slash_p > path)
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{
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char *parent = xstrndup (path, slash_p - path);
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xmkdirp (parent, mode);
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free (parent);
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}
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}
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rv = mkdir (path, mode);
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if (rv != 0)
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FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
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return;
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}
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