Move getline and getdelim into stdio.h, per POSIX 200x.

[pspp] / lib / yesno.c

diff --git a/lib/yesno.c b/lib/yesno.c
index a364a1b18dd9ec0a7e001d2120086b17453d9e8f..8ec798b63a862e00012c89c4c49e3b067afd8916 100644 (file)
--- a/lib/yesno.c
+++ b/lib/yesno.c
@@ -1,7 +1,7 @@
 /* yesno.c -- read a yes/no response from stdin
 
-   Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005 Free Software
-   Foundation, Inc.
+   Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005, 2006, 2007 Free
+   Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -17,28 +17,30 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include "yesno.h"
 
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "getline.h"
+extern int rpmatch (char const *response);
 
-/* Return true if we read an affirmative line from standard input.  */
+/* Return true if we read an affirmative line from standard input.
 
-extern int rpmatch (char const *response);
+   Since this function uses stdin, it is suggested that the caller not
+   use STDIN_FILENO directly, and also that the line
+   atexit(close_stdin) be added to main().  */
 
 bool
 yesno (void)
 {
+  bool yes;
+
+#if ENABLE_NLS
   char *response = NULL;
   size_t response_size = 0;
   ssize_t response_len = getline (&response, &response_size, stdin);
-  bool yes;
 
   if (response_len <= 0)
     yes = false;
@@ -49,5 +51,14 @@ yesno (void)
     }
 
   free (response);
+#else
+  /* Test against "^[yY]", hardcoded to avoid requiring getline,
+     regex, and rpmatch.  */
+  int c = getchar ();
+  yes = (c == 'y' || c == 'Y');
+  while (c != '\n' && c != EOF)
+    c = getchar ();
+#endif
+
   return yes;
 }