From 6dbbad9a294b007ec184b689a601ed8077f4d50b Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 2 Dec 2007 03:48:42 +0000
Subject: - shell execute: safer (just commiting ptt2 local modification, 
 not sure who wrote this - thanks!)

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3607 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/kaede.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/mbbsd/kaede.c b/mbbsd/kaede.c
index 3f284adb..6dd3f95c 100644
--- a/mbbsd/kaede.c
+++ b/mbbsd/kaede.c
@@ -89,10 +89,15 @@ Rename(const char *src, const char *dst)
     if (!strchr(src, ';') && !strchr(dst, ';'))
 	// Ptt 防不正常指令 // XXX 這樣是不夠的
     {
-	snprintf(buf, sizeof(buf), "/bin/mv %s %s", src, dst);
-	system(buf);
+	pid_t pid = fork();
+	if (pid == 0)
+	    execl("/bin/mv", "mv", "-f", src, dst, (char *)NULL);
+	else if (pid > 0)
+	    waitpid(pid, NULL, 0);
+	else
+	    return -1;
     }
-    return -1;
+    return 0;
 }
 
 int
-- 
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