From: Sami Kerola <kerolasa@iki.fi>
Date: Wed, 9 May 2018 20:54:22 +0000 (+0100)
Subject: rev: move a global variable to local scope
X-Git-Tag: v2.33-rc1~240
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=25ed963d021c3db1d8a07c0a548b595047bdeb96;p=thirdparty%2Futil-linux.git

rev: move a global variable to local scope

Mark also file names read-only.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/text-utils/rev.c b/text-utils/rev.c
index 84d116d8c3..13a41f633e 100644
--- a/text-utils/rev.c
+++ b/text-utils/rev.c
@@ -64,8 +64,6 @@
 #include "c.h"
 #include "closestream.h"
 
-static wchar_t *buf;
-
 static void sig_handler(int signo __attribute__ ((__unused__)))
 {
 	_exit(EXIT_SUCCESS);
@@ -100,7 +98,8 @@ static void reverse_str(wchar_t *str, size_t n)
 
 int main(int argc, char *argv[])
 {
-	char *filename = "stdin";
+	char const *filename = "stdin";
+	wchar_t *buf;
 	size_t len, bufsiz = BUFSIZ;
 	FILE *fp = stdin;
 	int ch, rval = EXIT_SUCCESS;