3 files changed, 34 insertions, 0 deletions
diff --git a/support/Makefile b/support/Makefile
index 1f0f526e06..8ebe68aa95 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -123,6 +123,7 @@ libsupport-routines = \
   xdup2 \
   xfchmod \
   xfclose \
+  xfgets \
   xfopen \
   xfork \
   xfread \
diff --git a/support/xfgets.c b/support/xfgets.c
new file mode 100644
index 0000000000..14f98dee1b
--- /dev/null
+++ b/support/xfgets.c
@@ -0,0 +1,32 @@
+/* fgets with error checking.
+   Copyright (C) 2023 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 <stdlib.h>
+
+char *
+xfgets (char *s, int size, FILE *stream)
+{
+  char *ret = fgets (s, size, stream);
+  if (!ret && ferror(stream))
+    FAIL_EXIT1 ("fgets failed: %m");
+
+  return ret;
+}
diff --git a/support/xstdio.h b/support/xstdio.h
index 633c342c82..f30bee6a20 100644
--- a/support/xstdio.h
+++ b/support/xstdio.h
@@ -28,6 +28,7 @@ FILE *xfopen (const char *path, const char *mode);
 void xfclose (FILE *);
 FILE *xfreopen (const char *path, const char *mode, FILE *stream);
 void xfread (void *ptr, size_t size, size_t nmemb, FILE *stream);
+char *xfgets (char *s, int size, FILE *stream);
 
 /* Read a line from FP, using getline.  *BUFFER must be NULL, or a
    heap-allocated pointer of *LENGTH bytes.  Return the number of