[glibc] support: Add the xstatx function

[glibc] support: Add the xstatx function

[Florian Weimer]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=921690512946d73bf66a8c495baff31316e4489f

commit 921690512946d73bf66a8c495baff31316e4489f
Author: Florian Weimer <fweimer@redhat.com>
Date:   Fri Aug 16 16:05:19 2024 +0200

    support: Add the xstatx function
    
    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

Diff:
---
 support/Makefile  |  1 +
 support/xstatx.c  | 32 ++++++++++++++++++++++++++++++++
 support/xunistd.h |  2 ++
 3 files changed, 35 insertions(+)

diff --git a/support/Makefile b/support/Makefile
index aa57207bdc..5b1c96a49e 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -210,6 +210,7 @@ libsupport-routines = \
   xsignal \
   xsigstack \
   xsocket \
+  xstatx \
   xstrdup \
   xstrndup \
   xsymlink \
diff --git a/support/xstatx.c b/support/xstatx.c
new file mode 100644
index 0000000000..621f2440f8
--- /dev/null
+++ b/support/xstatx.c
@@ -0,0 +1,32 @@
+/* Error-checking wrapper for statx.
+   Copyright (C) 2024 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 <fcntl.h>
+#include <support/check.h>
+#include <sys/stat.h>
+
+void
+xstatx (int fd, const char *path, int flags, unsigned int mask,
+        struct statx *stx)
+{
+  if (statx (fd, path, flags, mask, stx) != 0)
+    FAIL_EXIT1 ("statx (AT_FDCWD, \"%s\", 0x%x, 0x%x): %m",
+                path, (unsigned int) flags, mask);
+}
diff --git a/support/xunistd.h b/support/xunistd.h
index 13be9a46a3..cc74c4fad0 100644
--- a/support/xunistd.h
+++ b/support/xunistd.h
@@ -30,6 +30,7 @@
 __BEGIN_DECLS
 
 struct stat64;
+struct statx;
 
 pid_t xfork (void);
 pid_t xwaitpid (pid_t, int *status, int flags);
@@ -51,6 +52,7 @@ void __REDIRECT (xstat, (const char *path, struct stat *), xstat_time64);
 void __REDIRECT (xlstat, (const char *path, struct stat *), xlstat_time64);
 void __REDIRECT (xfstat, (int fd, struct stat *), xfstat_time64);
 #endif
+void xstatx (int, const char *, int, unsigned int, struct statx *);
 void xmkdir (const char *path, mode_t);
 void xchroot (const char *path);
 void xunlink (const char *path);