Module Name:    src
Committed By:   kre
Date:           Thu Mar 14 19:38:56 UTC 2024

Modified Files:
        src/usr.bin/stat: stat.c

Log Message:
While the change in 1.51 certainly retained binary compat with
what was in 1.50 (while silencing LINT) - it was clearly not the
correct change to make.   The code used !FLAG_POUND where it
clearly meant ~FLAG_POUND ... the former is 0, so &= 0 could
be replaced by =0 changing nothing.   But that's not what it
should have been doing, other flags should not have been
removed here, just FLAG_POUND.

This problem seems to have existed since support for %#s
was first added in 2011, which kind of suggests how rarely
that format, particularly with other flags (like %#-s)
has ever been used (with no other flags, the bug would not
be noticed).


To generate a diff of this commit:
cvs rdiff -u -r1.51 -r1.52 src/usr.bin/stat/stat.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/stat/stat.c
diff -u src/usr.bin/stat/stat.c:1.51 src/usr.bin/stat/stat.c:1.52
--- src/usr.bin/stat/stat.c:1.51	Thu Mar 14 00:07:20 2024
+++ src/usr.bin/stat/stat.c	Thu Mar 14 19:38:56 2024
@@ -1,4 +1,4 @@
-/*	$NetBSD: stat.c,v 1.51 2024/03/14 00:07:20 rillig Exp $ */
+/*	$NetBSD: stat.c,v 1.52 2024/03/14 19:38:56 kre Exp $ */
 
 /*
  * Copyright (c) 2002-2011 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if !defined(lint)
-__RCSID("$NetBSD: stat.c,v 1.51 2024/03/14 00:07:20 rillig Exp $");
+__RCSID("$NetBSD: stat.c,v 1.52 2024/03/14 19:38:56 kre Exp $");
 #endif
 
 #if ! HAVE_NBTOOL_CONFIG_H
@@ -1077,7 +1077,7 @@ format1(const struct stat *st,
 	 * First prefixlen chars are not encoded.
 	 */
 	if ((flags & FLAG_POUND) != 0 && ofmt == FMTF_STRING) {
-		flags = 0;
+		flags &= ~FLAG_POUND;
 		strncpy(visbuf, sdata, prefixlen);
 		/* Avoid GCC warnings. */
 		visbuf[prefixlen] = 0;

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