Update the comment why range checking not needed

Fix setrunelocale fail if called directly without prior setlocale
call

Should go in 2.2

3 files changed, 4 insertions, 4 deletions

diff --git a/lib/libc/locale/collate.c b/lib/libc/locale/collate.c
index 8a71158..b875acb 100644
--- a/lib/libc/locale/collate.c
+++ b/lib/libc/locale/collate.c
@@ -73,7 +73,7 @@ __collate_load_tables(encoding)
 		__collate_load_error = save_load_error;
 		return -1;
 	}
-	/* Range checking already done at upper level caller */
+	/* Range checking not needed, encoding has fixed size */
 	(void) strcpy(buf, _PathLocale);
 	(void) strcat(buf, "/");
 	(void) strcat(buf, encoding);
diff --git a/lib/libc/locale/setlocale.c b/lib/libc/locale/setlocale.c
index 6d6041d..0a4bbc9 100644
--- a/lib/libc/locale/setlocale.c
+++ b/lib/libc/locale/setlocale.c
@@ -302,7 +302,7 @@ const char *encoding;
 		return(0);
 	if (!_PathLocale)
 		return(1);
-	/* Range checking already done at upper level caller */
+	/* Range checking not needed, encoding has fixed size */
 	strcpy(name, _PathLocale);
 	strcat(name, "/");
 	strcat(name, encoding);
diff --git a/lib/libc/locale/setrunelocale.c b/lib/libc/locale/setrunelocale.c
index 65daa83..4297206 100644
--- a/lib/libc/locale/setrunelocale.c
+++ b/lib/libc/locale/setrunelocale.c
@@ -84,8 +84,8 @@ _xpg4_setrunelocale(encoding)
 	}
 
 	if (!_PathLocale)
-		return(EFAULT);
-	/* Range checking already done at upper level caller */
+		_PathLocale = _PATH_LOCALE;
+	/* Range checking not needed, encoding has fixed size */
 	(void) strcpy(name, _PathLocale);
 	(void) strcat(name, "/");
 	(void) strcat(name, encoding);