From: Joel Rosdahl <joel@rosdahl.net>
Date: Fri, 29 May 2020 18:38:26 +0000 (+0200)
Subject: Add missing O_TRUNC when opening destination file
X-Git-Tag: v3.7.10~6
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=f2b4d05de722f58807fdf2518003515b143a26e3;p=thirdparty%2Fccache.git

Add missing O_TRUNC when opening destination file

Should have been there in a16778a6243e271d501da95232cbe7c9ff58649b.
---

diff --git a/src/util.c b/src/util.c
index eff2eed02..4aa99f424 100644
--- a/src/util.c
+++ b/src/util.c
@@ -333,7 +333,7 @@ copy_file(const char *src,
 		cc_log("Copying %s to %s via %s (%scompressed)",
 		       src, dest, tmp_name, compress_level > 0 ? "" : "un");
 	} else {
-		fd_out = open(dest, O_WRONLY | O_CREAT | O_BINARY, 0666);
+		fd_out = open(dest, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
 		if (fd_out == -1) {
 			saved_errno = errno;
 			close(fd_out);