- mail: fail-safe filename check to avoid segv crash

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3954 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 6 insertions, 0 deletions

diff --git a/mbbsd/mail.c b/mbbsd/mail.c
index a5f09ce3..a7e7504e 100644
--- a/mbbsd/mail.c
+++ b/mbbsd/mail.c
@@ -654,6 +654,9 @@ multi_send(char *title)
 static int
 multi_reply(int ent, fileheader_t * fhdr, const char *direct)
 {
+    if (!fhdr || !fhdr->filename[0])
+	return DONOTHING;
+
     if (!(fhdr->filemode & FILE_MULTI))
 	return mail_reply(ent, fhdr, direct);
 
@@ -1210,6 +1213,9 @@ mail_reply(int ent, fileheader_t * fhdr, const char *direct)
     char            genbuf[512];
     int		    oent = ent;
 
+    if (!fhdr || !fhdr->filename[0])
+	return DONOTHING;
+
     stand_title("¦^  «H");
 
     /* §PÂ_¬O boards ©Î mail */