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try netflush() if buffer is too low.

This commit is contained in:
itojun 2001-07-19 07:26:53 +00:00
parent 18490eff62
commit 546f0c22a1
1 changed files with 11 additions and 2 deletions
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13
libexec/telnetd/state.c
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@ -1,4 +1,4 @@
/* $NetBSD: state.c,v 1.15 2001/07/19 04:57:50 itojun Exp $ */
/* $NetBSD: state.c,v 1.16 2001/07/19 07:26:53 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 1.15 2001/07/19 04:57:50 itojun Exp $");
__RCSID("$NetBSD: state.c,v 1.16 2001/07/19 07:26:53 itojun Exp $");
#endif
#endif /* not lint */
@ -1691,6 +1691,11 @@ output_data(const char *format, ...)
va_start(args, format);
remaining = BUFSIZ - (nfrontp - netobuf);
/* try a netflush() if the room is too low */
if (strlen(format) > remaining || BUFSIZ / 4 > remaining) {
netflush();
remaining = BUFSIZ - (nfrontp - netobuf);
}
ret = vsnprintf(nfrontp, remaining, format, args);
nfrontp += ret;
va_end(args);
@ -1703,6 +1708,10 @@ output_datalen(const char *buf, size_t l)
size_t remaining;
remaining = BUFSIZ - (nfrontp - netobuf);
if (remaining < l) {
netflush();
remaining = BUFSIZ - (nfrontp - netobuf);
}
if (remaining < l)
return -1;
memmove(nfrontp, buf, l);