create temp file safely (issue #5181)

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@764 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 3 insertions, 2 deletions

diff --git a/fxotune.c b/fxotune.c
index 26de87a..435ce5b 100755
--- a/fxotune.c
+++ b/fxotune.c
@@ -303,9 +303,10 @@ static int acim_tune(int whichzap, char *dialstr)
 	float acim_results[16];
 
 
-	outfile = fopen("/tmp/fxotune.vals", "w");
+	outfile = tmpfile();
 	if (!outfile) {
-		fprintf(stdout, "Cannot create /tmp/txotune.vals\n");
+		fprintf(stdout, "Cannot create temporary file: %d (%s)\n", 
+                    errno, strerror(errno));
 		return -1;
 	}