/* getusershell.c -- Return names of valid user shells.
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1997 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
/* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
#ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
#endif
#ifndef SHELLS_FILE
/* File containing a list of nonrestricted shells, one per line. */
-#define SHELLS_FILE "/etc/shells"
+# define SHELLS_FILE "/etc/shells"
#endif
#include <stdio.h>
#include <ctype.h>
+#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+# define IN_CTYPE_DOMAIN(c) 1
+#else
+# define IN_CTYPE_DOMAIN(c) isascii(c)
+#endif
+
+#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
+
#ifdef STDC_HEADERS
-#include <stdlib.h>
+# include <stdlib.h>
#else
char *malloc ();
char *realloc ();
}
/* Skip blank space. */
- while ((c = getc (stream)) != EOF && isspace (c))
+ while ((c = getc (stream)) != EOF && ISSPACE (c))
/* Do nothing. */ ;
-
- while (c != EOF && !isspace (c))
+
+ while (c != EOF && !ISSPACE (c))
{
(*name)[name_index++] = c;
while (name_index >= *size)