glibc/support/xmkdirp.c
DJ Delorie 561b0bec44 Add test-in-container infrastructure.
* Makefile (testroot.pristine): New rules to initialize the
test-in-container "testroot".
* Makerules (all-testsuite): Add tests-container.
* Rules (tests-expected): Add tests-container.
(binaries-all-tests): Likewise.
(tests-container): New, run these tests in the testroot container.
* support/Makefile (others): Add *-container, support_paths.c,
xmkdirp, and links-dso-program.
* support/links-dso-program-c.c: New.
* support/links-dso-program.cc: New.
* support/test-container.c: New.
* support/shell-container.c: New.
* support/echo-container.c: New.
* support/true-container.c: New.
* support/xmkdirp.c: New.
* support/xsymlink.c: New.
* support/support_paths.c: New.
* support/support.h: Add support paths prototypes.
* support/xunistd.h: Add xmkdirp () and xsymlink ().

* nss/tst-nss-test3.c: Convert to test-in-container.
* nss/tst-nss-test3.root/: New.
2018-08-22 21:20:37 -04:00

67 lines
1.7 KiB
C

/* Error-checking replacement for "mkdir -p".
Copyright (C) 2018 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
<http://www.gnu.org/licenses/>. */
#include <support/support.h>
#include <support/check.h>
#include <support/xunistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/* Equivalent of "mkdir -p". Any failures cause FAIL_EXIT1 so no
return code is needed. */
void
xmkdirp (const char *path, mode_t mode)
{
struct stat s;
const char *slash_p;
int rv;
if (path[0] == 0)
return;
if (stat (path, &s) == 0)
{
if (S_ISDIR (s.st_mode))
return;
errno = EEXIST;
FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
}
slash_p = strrchr (path, '/');
if (slash_p != NULL)
{
while (slash_p > path && slash_p[-1] == '/')
--slash_p;
if (slash_p > path)
{
char *parent = xstrndup (path, slash_p - path);
xmkdirp (parent, mode);
free (parent);
}
}
rv = mkdir (path, mode);
if (rv != 0)
FAIL_EXIT1 ("mkdir_p (\"%s\", 0%o): %m", path, mode);
return;
}