rm_/lib/remove.c

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/* Remove a file or directory.
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Copyright (C) 2009-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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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, see <https://www.gnu.org/licenses/>. */
/* written by Eric Blake */
#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#undef remove
/* Remove NAME from the file system. This works around C89 platforms
that don't handle directories like POSIX requires; it also works
around Solaris 9 bugs with trailing slash. */
int
rpl_remove (char const *name)
{
/* It is faster to just try rmdir, and fall back on unlink, than it
is to use lstat to see what we are about to remove. Technically,
it is more likely that we want unlink, not rmdir, but we cannot
guarantee the safety of unlink on directories. Trailing slash
bugs are handled by our rmdir and unlink wrappers. */
int result = rmdir (name);
if (result && errno == ENOTDIR)
result = unlink (name);
return result;
}