From: Ted Lemon <source@isc.org>
Date: Fri, 6 Apr 2001 01:02:47 +0000 (+0000)
Subject: Don't create a trace file if there's one there already.
X-Git-Tag: V3-BETA-2-PATCH-24~5
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6a031f2e3cf52ee5fa8e9e6cde345de5efbfa903;p=thirdparty%2Fdhcp.git

Don't create a trace file if there's one there already.
---

diff --git a/omapip/trace.c b/omapip/trace.c
index 2891b5564..e9c621a63 100644
--- a/omapip/trace.c
+++ b/omapip/trace.c
@@ -109,7 +109,7 @@ isc_result_t trace_begin (const char *filename,
 		return ISC_R_INVALIDARG;
 	}
 
-	traceoutfile = open (filename, O_CREAT | O_WRONLY, 0644);
+	traceoutfile = open (filename, O_CREAT | O_WRONLY | O_EXCL, 0644);
 	if (traceoutfile < 0) {
 		log_error ("%s(%d): trace_begin: %s: %m",
 			   file, line, filename);