svn commit: r317705 - head/usr.bin/grep

[Ed Maste]

Author: emaste
Date: Tue May  2 21:08:38 2017
New Revision: 317705
URL: https://svnweb.freebsd.org/changeset/base/317705

Log:
  bsdgrep: avoid use of magic number for REG_NOSPEC
  
  Submitted by:	Kyle Evans <kevans91 at ksu.edu>
  Differential Revision:	https://reviews.freebsd.org/D10420

Modified:
  head/usr.bin/grep/grep.c

Modified: head/usr.bin/grep/grep.c
==============================================================================
--- head/usr.bin/grep/grep.c	Tue May  2 20:44:06 2017	(r317704)
+++ head/usr.bin/grep/grep.c	Tue May  2 21:08:38 2017	(r317705)
@@ -716,8 +716,13 @@ main(int argc, char *argv[])
 	case GREP_BASIC:
 		break;
 	case GREP_FIXED:
-		/* XXX: header mess, REG_LITERAL not defined in gnu/regex.h */
-		cflags |= 0020;
+#if defined(REG_NOSPEC)
+		cflags |= REG_NOSPEC;
+#elif defined(REG_LITERAL)
+		cflags |= REG_LITERAL;
+#else
+		errx(2, "literal expressions not supported at compile time");
+#endif
 		break;
 	case GREP_EXTENDED:
 		cflags |= REG_EXTENDED;