1 files changed, 33 insertions, 0 deletions
diff --git a/support/xgetline.c b/support/xgetline.c
new file mode 100644
index 0000000000..180bc2db95
--- /dev/null
+++ b/support/xgetline.c
@@ -0,0 +1,33 @@
+/* fopen 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/xstdio.h>
+#include <support/check.h>
+#include <errno.h>
+
+ssize_t
+xgetline (char **lineptr, size_t *n, FILE *stream)
+{
+  int old_errno = errno;
+  errno = 0;
+  size_t ret = getline (lineptr, n, stream);
+  if (!feof (stream) && ferror (stream))
+    FAIL_EXIT1 ("getline failed: %m");
+  errno = old_errno;
+  return ret;
+}