Fix compilation on systems w/o setlocale()

plugins/sudoers/locale.c

@@ -35,8 +35,6 @@
 
 #include "sudoers.h"
 
-#ifdef HAVE_SETLOCALE
-
 static int current_locale = SUDOERS_LOCALE_USER;
 
 int
@@ -45,7 +43,14 @@ sudoers_getlocale(void)
     return current_locale;
 }
 
-int
+/*
+ * Set locale to user or sudoers value.
+ * Returns true on success and false on failure,
+ * If prevlocale is non-NULL it will be filled in with the
+ * old SUDOERS_LOCALE_* value.
+ */
+#ifdef HAVE_SETLOCALE
+bool
 sudoers_setlocale(int newlocale, int *prevlocale)
 {
     char *res = NULL;
@@ -75,12 +80,21 @@ sudoers_setlocale(int newlocale, int *prevlocale)
 	    }
 	    break;
     }
-    return res ? 1 : 0;
+    return res ? true : false;
 }
 #else
-int
+bool
 sudoers_setlocale(int newlocale, int *prevlocale)
 {
-    return 1;
+    switch (newlocale) {
+	case SUDOERS_LOCALE_USER:
+	case SUDOERS_LOCALE_SUDOERS:
+	    if (prevlocale)
+		*prevlocale = current_locale;
+	    current_locale = newlocale;
+	    return true;
+	default:
+	    return false;
+    }
 }
 #endif /* HAVE_SETLOCALE */

plugins/sudoers/logging.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999-2005, 2009-2010
+ * Copyright (c) 1999-2005, 2009-2012
  *	Todd C. Miller <Todd.Miller@courtesan.com>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -58,6 +58,8 @@
  */
 #define LOG_INDENT	"    "
 
+bool sudoers_setlocale(int newlocale, int *prevlocale);
+int sudoers_getlocale(void);
 void audit_success(char *exec_args[]);
 void audit_failure(char *exec_args[], char const *const fmt, ...);
 void log_allowed(int status);
@@ -67,7 +69,5 @@ void log_failure(int status, int flags);
 void log_error(int flags, const char *fmt, ...) __printflike(2, 3);
 void log_fatal(int flags, const char *fmt, ...) __printflike(2, 3) __attribute__((__noreturn__));
 void writeln_wrap(FILE *fp, char *line, size_t len, size_t maxlen);
-int sudoers_setlocale(int newlocale, int *prevlocale);
-int sudoers_getlocale(void);
 
 #endif /* _LOGGING_H */

plugins/sudoers/sudoers.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1993-1996, 1998-2005, 2007-2011
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2012
  *	Todd C. Miller <Todd.Miller@courtesan.com>
  *
  * Permission to use, copy, modify, and distribute this software for any