From: Wayne Davison <wayne@opencoder.net>
Date: Sat, 26 Jun 2021 19:10:08 +0000 (-0700)
Subject: Fix compiling without ftruncate.
X-Git-Tag: v3.2.4pre1~82
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c529782a8d272c54642ed317ee9807dab7c1f06d;p=thirdparty%2Frsync.git

Fix compiling without ftruncate.
---

diff --git a/util1.c b/util1.c
index b2b19892..0daf9b04 100644
--- a/util1.c
+++ b/util1.c
@@ -406,10 +406,15 @@ int copy_file(const char *source, const char *dest, int ofd, mode_t mode)
 
 	/* Source file might have shrunk since we fstatted it.
 	 * Cut off any extra preallocated zeros from dest file. */
-	if (offset < prealloc_len && do_ftruncate(ofd, offset) < 0) {
+	if (offset < prealloc_len) {
+#ifdef HAVE_FTRUNCATE
 		/* If we fail to truncate, the dest file may be wrong, so we
 		 * must trigger the "partial transfer" error. */
-		rsyserr(FERROR_XFER, errno, "ftruncate %s", full_fname(dest));
+		if (do_ftruncate(ofd, offset) < 0)
+			rsyserr(FERROR_XFER, errno, "ftruncate %s", full_fname(dest));
+#else
+		rprintf(FERROR_XFER, "no ftruncate for over-long pre-alloc: %s", full_fname(dest));
+#endif
 	}
 
 	if (close(ofd) < 0) {