Module Name: src
Committed By: christos
Date: Wed Mar 16 22:35:45 UTC 2016
Modified Files:
src/bin/csh: exec.c
Log Message:
add Will Robinson comment.
To generate a diff of this commit:
cvs rdiff -u -r1.30 -r1.31 src/bin/csh/exec.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/bin/csh/exec.c
diff -u src/bin/csh/exec.c:1.30 src/bin/csh/exec.c:1.31
--- src/bin/csh/exec.c:1.30 Wed Mar 16 18:25:05 2016
+++ src/bin/csh/exec.c Wed Mar 16 18:35:44 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: exec.c,v 1.30 2016/03/16 22:25:05 christos Exp $ */
+/* $NetBSD: exec.c,v 1.31 2016/03/16 22:35:44 christos Exp $ */
/*-
* Copyright (c) 1980, 1991, 1993
@@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "@(#)exec.c 8.3 (Berkeley) 5/23/95";
#else
-__RCSID("$NetBSD: exec.c,v 1.30 2016/03/16 22:25:05 christos Exp $");
+__RCSID("$NetBSD: exec.c,v 1.31 2016/03/16 22:35:44 christos Exp $");
#endif
#endif /* not lint */
@@ -90,6 +90,7 @@ static Char *expath; /* Path for exerr
static unsigned char xhash[HSHSIZ / 8];
#define hash(a, b) (((a) * HSHMUL + (b)) & HSHMASK)
+/* these macros eval their arguments multiple times, so be careful */
#define bit(h, b) ((h)[(b) >> 3] & 1 << ((b) & 7)) /* bit test */
#define bis(h, b) ((h)[(b) >> 3] = \
(unsigned char)((1 << ((b) & 7)) | (h)[(b) >> 3]))/* bit set */
