commit a7e9dbb7742954814643a8562dcad09abb0b0e5d
Author: Alexandra Hájková <ahajkova@redhat.com>
Date: Sat Dec 26 18:45:13 2020 +0100
Add xchdir to libsupport.
diff --git a/support/Makefile b/support/Makefile
index dcf3c4baa2a31070..fb95a69ed9158e78 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -82,6 +82,7 @@ libsupport-routines = \
xasprintf \
xbind \
xcalloc \
+ xchdir \
xchroot \
xclose \
xconnect \
diff --git a/support/xchdir.c b/support/xchdir.c
new file mode 100644
index 0000000000000000..beb4feff72832065
--- /dev/null
+++ b/support/xchdir.c
@@ -0,0 +1,28 @@
+/* chdir 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/check.h>
+#include <support/xunistd.h>
+#include <unistd.h>
+
+void
+xchdir (const char *path)
+{
+ if (chdir (path) != 0)
+ FAIL_EXIT1 ("chdir (\"%s\"): %m", path);
+}
diff --git a/support/xunistd.h b/support/xunistd.h
index f99f362cb4763c5b..74fd2771d12c36fe 100644
--- a/support/xunistd.h
+++ b/support/xunistd.h
@@ -44,6 +44,7 @@ long xsysconf (int name);
long long xlseek (int fd, long long offset, int whence);
void xftruncate (int fd, long long length);
void xsymlink (const char *target, const char *linkpath);
+void xchdir (const char *path);
/* Equivalent of "mkdir -p". */
void xmkdirp (const char *, mode_t);