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support: Add xchmod wrapper

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Checked on x86_64-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2020-12-14 11:42:33 -03:00
parent 1c426b1d59
commit 7b9c3260bc
2 changed files with 31 additions and 0 deletions
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30
support/xchmod.c Normal file
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@ -0,0 +1,30 @@
/* chmod with error checking.
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <support/xunistd.h>
#include <support/check.h>
#include <sys/stat.h>
void
xchmod (const char *pathname, mode_t mode)
{
int r = chmod (pathname, mode);
if (r < 0)
FAIL_EXIT1 ("chmod (%s, %d): %m", pathname, mode);
}

1
support/xunistd.h
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@ -47,6 +47,7 @@ void xftruncate (int fd, long long length);
void xsymlink (const char *target, const char *linkpath);
void xchdir (const char *path);
void xfchmod (int fd, mode_t mode);
void xchmod (const char *pathname, mode_t mode);
/* Equivalent of "mkdir -p". */
void xmkdirp (const char *, mode_t);