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| author | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2003-04-10 18:26:08 +0800 |
|---|---|---|
| committer | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2003-04-10 18:26:08 +0800 |
| commit | 744278308f5c23b65b081011b37740e316d78109 (patch) | |
| tree | 1c24b95f9077a4ba4097eac330aec445d8aa42ce | |
| parent | d93d125daa5cdd83714b90ea2cf7d8b43a9bbf07 (diff) | |
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handle bad input to avoid SIGSEGV
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@786 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
| -rw-r--r-- | util/bbsmail.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/util/bbsmail.c b/util/bbsmail.c index 0663a5c8..8e326ad7 100644 --- a/util/bbsmail.c +++ b/util/bbsmail.c @@ -1,4 +1,4 @@ -/* $Id: bbsmail.c,v 1.6 2002/11/02 11:15:27 in2 Exp $ */ +/* $Id: bbsmail.c,v 1.7 2003/04/10 10:26:08 in2 Exp $ */ #define _UTIL_C_ #include "bbs.h" @@ -133,7 +133,11 @@ mail2bbs(userid) if (ip[-1] == ' ') ip[-1] = '\0'; ptr = (char *) strchr(genbuf, ' '); - while (*ptr == ' ') ptr++; + if( ptr ) + while (*ptr == ' ') + ptr++; + else + ptr = "unknown"; sprintf(sender, "%s (%s)", ip + 1, ptr); } else |