From: W. Felix Handte <w@felixhandte.com>
Date: Wed, 4 Dec 2019 21:59:16 +0000 (-0500)
Subject: Add Comment
X-Git-Tag: v1.4.5^2~127^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5666835ea7e0bb3a3b7931d71484d6f7980c0404;p=thirdparty%2Fzstd.git

Add Comment
---

diff --git a/programs/util.c b/programs/util.c
index 0751bf3ca..51d848018 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -145,6 +145,10 @@ int UTIL_setFileStat(const char *filename, stat_t *statbuf)
         return -1;
 
     /* set access and modification times */
+    /* We check that st_mtime is a macro here in order to give us confidence
+     * that struct stat has a struct timespec st_mtim member. We need this
+     * check because there are some platforms that claim to be POSIX 2008
+     * compliant but which do not have st_mtim... */
 #if (PLATFORM_POSIX_VERSION >= 200809L) && defined(st_mtime)
     {
         /* (atime, mtime) */