From 51fbbf93e3842581b6fcf94e84a76be7e2ccc398 Mon Sep 17 00:00:00 2001
From: Love Hornquist Astrand <lha@apple.com>
Date: Sun, 19 Jul 2009 17:52:53 -0700
Subject: [PATCH] (log_file): use strvisx rightly

---
 lib/krb5/log.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/krb5/log.c b/lib/krb5/log.c
index ee5c1159b..5b84bc2f4 100644
--- a/lib/krb5/log.c
+++ b/lib/krb5/log.c
@@ -220,17 +220,16 @@ log_file(const char *timestr,
 {
     struct file_data *f = data;
     char *msgclean;
-    size_t len = strlen(msg) + 1;
+    size_t len = strlen(msg);
     if(f->keep_open == 0)
 	f->fd = fopen(f->filename, f->mode);
     if(f->fd == NULL)
 	return;
     /* make sure the log doesn't contain special chars */
-    len *= 4;
-    msgclean = malloc(len);
+    msgclean = malloc((len + 1) * 4);
     if (msgclean == NULL)
 	goto out;
-    strvisx(rk_UNCONST(msg), msgclean, len, VIS_OCTAL);
+    strvisx(msgclean, rk_UNCONST(msg), len, VIS_OCTAL);
     fprintf(f->fd, "%s %s\n", timestr, msgclean);
     free(msgclean);
  out: