From d509325269dec161d1ed799cd959e3161b64e75b Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Mon, 6 Jan 2003 12:58:35 +0000 Subject: [PATCH] (utime_null): No need to call ftruncate if the file was nonempty. Patch by Bruno Haible. (utime_null): Use SAFE_READ_ERROR. --- lib/utime.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/utime.c b/lib/utime.c index 6ed14ef30d..f5507cbcd8 100644 --- a/lib/utime.c +++ b/lib/utime.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2001-2002 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the @@ -58,14 +58,14 @@ utime_null (const char *file) fd = open (file, O_RDWR); if (fd < 0 || fstat (fd, &sb) < 0 - || safe_read (fd, &c, sizeof c) < 0 + || safe_read (fd, &c, sizeof c) == SAFE_READ_ERROR || lseek (fd, (off_t) 0, SEEK_SET) < 0 || full_write (fd, &c, sizeof c) != sizeof c /* Maybe do this -- it's necessary on SunOS4.1.3 with some combination of patches, but that system doesn't use this code: it has utimes. || fsync (fd) < 0 */ - || ftruncate (fd, st.st_size) < 0 + || (st.st_size == 0 && ftruncate (fd, st.st_size) < 0) || close (fd) < 0) status = -1; return status; -- 2.47.2