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authorDarren Tucker <dtucker@zip.com.au>2008-08-30 07:32:37 +1000
committerDarren Tucker <dtucker@zip.com.au>2008-08-30 07:32:37 +1000
commit661f63b7d2a89d91c29691ba8d01b825600e6789 (patch)
tree3c4f42cc328145aa7cf05fb0771d9bdb24653859 /openbsd-compat/bsd-poll.c
parent212f0b08790c415648db250797b1b060b62a015d (diff)
- (dtucker) [openbsd-compat/bsd-poll.c] correctly check for number of FDs
larger than FD_SETSIZE (OpenSSH only ever uses poll with one fd). Patch from Nicholas Marriott.
Diffstat (limited to 'openbsd-compat/bsd-poll.c')
-rw-r--r--openbsd-compat/bsd-poll.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/openbsd-compat/bsd-poll.c b/openbsd-compat/bsd-poll.c
index 284db3a1f..f899d7a24 100644
--- a/openbsd-compat/bsd-poll.c
+++ b/openbsd-compat/bsd-poll.c
@@ -1,4 +1,4 @@
1/* $Id: bsd-poll.c,v 1.3 2008/04/04 05:16:36 djm Exp $ */ 1/* $Id: bsd-poll.c,v 1.4 2008/08/29 21:32:38 dtucker Exp $ */
2 2
3/* 3/*
4 * Copyright (c) 2004, 2005, 2007 Darren Tucker (dtucker at zip com au). 4 * Copyright (c) 2004, 2005, 2007 Darren Tucker (dtucker at zip com au).
@@ -46,11 +46,12 @@ poll(struct pollfd *fds, nfds_t nfds, int timeout)
46 struct timeval tv, *tvp = NULL; 46 struct timeval tv, *tvp = NULL;
47 47
48 for (i = 0; i < nfds; i++) { 48 for (i = 0; i < nfds; i++) {
49 fd = fds[i].fd;
49 if (fd >= FD_SETSIZE) { 50 if (fd >= FD_SETSIZE) {
50 errno = EINVAL; 51 errno = EINVAL;
51 return -1; 52 return -1;
52 } 53 }
53 maxfd = MAX(maxfd, fds[i].fd); 54 maxfd = MAX(maxfd, fd);
54 } 55 }
55 56
56 nmemb = howmany(maxfd + 1 , NFDBITS); 57 nmemb = howmany(maxfd + 1 , NFDBITS);