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vsnprintf() can return value longer than the actual string. from assar

This commit is contained in:
itojun 2001-07-19 16:00:59 +00:00
parent abd116eff5
commit 30f2adec05
1 changed files with 3 additions and 3 deletions
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6
libexec/telnetd/state.c
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@ -1,4 +1,4 @@
/* $NetBSD: state.c,v 1.16 2001/07/19 07:26:53 itojun Exp $ */
/* $NetBSD: state.c,v 1.17 2001/07/19 16:00:59 itojun Exp $ */
/*
* Copyright (c) 1989, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)state.c 8.5 (Berkeley) 5/30/95";
#else
__RCSID("$NetBSD: state.c,v 1.16 2001/07/19 07:26:53 itojun Exp $");
__RCSID("$NetBSD: state.c,v 1.17 2001/07/19 16:00:59 itojun Exp $");
#endif
#endif /* not lint */
@ -1697,7 +1697,7 @@ output_data(const char *format, ...)
remaining = BUFSIZ - (nfrontp - netobuf);
}
ret = vsnprintf(nfrontp, remaining, format, args);
nfrontp += ret;
nfrontp += ((ret < remaining - 1) ? ret : remaining - 1);
va_end(args);
return ret;
}