svn commit: r322597 - stable/11/usr.bin/grep

[Kyle Evans]

Author: kevans
Date: Wed Aug 16 22:00:56 2017
New Revision: 322597
URL: https://svnweb.freebsd.org/changeset/base/322597

Log:
  MFC r317705: bsdgrep: avoid use of magic number for REG_NOSPEC
  
  Approved by:	emaste (mentor, blanket MFC)

Modified:
  stable/11/usr.bin/grep/grep.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/usr.bin/grep/grep.c
==============================================================================
--- stable/11/usr.bin/grep/grep.c	Wed Aug 16 21:42:27 2017	(r322596)
+++ stable/11/usr.bin/grep/grep.c	Wed Aug 16 22:00:56 2017	(r322597)
@@ -717,8 +717,13 @@ 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;