1 files changed, 59 insertions, 0 deletions
diff --git a/stdio/gets.c b/stdio/gets.c
new file mode 100644
index 0000000000..2267792fb0
--- /dev/null
+++ b/stdio/gets.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 1991, 1994, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+link_warning ("the `gets' function is unreliable and should not be used.")
+
+/* Read a newline-terminated string from stdin into S,
+   removing the trailing newline.  Return S or NULL.  */
+char *
+DEFUN(gets, (s), char *s)
+{
+  register char *p = s;
+  register int c;
+  FILE *stream = stdin;
+
+  if (!__validfp(stream) || p == NULL)
+    {
+      errno = EINVAL;
+      return NULL;
+    }
+
+  if (feof(stream) || ferror(stream))
+    return NULL;
+
+  while ((c = getchar()) != EOF)
+    if (c == '\n')
+      break;
+    else
+      *p++ = c;
+
+  *p = '\0';
+
+  /* Return null if we had an error, or if we got EOF
+     before writing any characters.  */
+
+  if (ferror (stream) || (feof (stream) && p == s))
+    return NULL;
+
+  return s;
+}