From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 26 Mar 2021 21:51:55 +0000 (-0700)
Subject: env: improve whitespace warning
X-Git-Tag: v9.0~131
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f99c7533df49f25819d7bb850be5c6cb49aa13d;p=thirdparty%2Fcoreutils.git

env: improve whitespace warning

* src/env.c (main): Issue -S warning for any whitespace,
not just space.
---

diff --git a/src/env.c b/src/env.c
index d07918fee4..341777cb8e 100644
--- a/src/env.c
+++ b/src/env.c
@@ -942,7 +942,7 @@ main (int argc, char **argv)
   int exit_status = errno == ENOENT ? EXIT_ENOENT : EXIT_CANNOT_INVOKE;
   error (0, errno, "%s", quote (argv[optind]));
 
-  if (exit_status == EXIT_ENOENT && strchr (argv[optind], ' '))
+  if (exit_status == EXIT_ENOENT && strpbrk (argv[optind], C_ISSPACE_CHARS))
     error (0, 0, _("use -[v]S to pass options in shebang lines"));
 
   return exit_status;