diff options
| author | Arthur de Jong <arthur@arthurdejong.org> | 2012-10-12 17:25:26 +0200 |
|---|---|---|
| committer | Arthur de Jong <arthur@arthurdejong.org> | 2012-10-12 17:25:26 +0200 |
| commit | 7867b93f9a7c76b96f1571cddc1de0811134bb81 (patch) | |
| tree | 2fb143699fdb9966d0ae65317391dfaf8c977783 | |
| parent | 3226690276281644be9eb0c3163465089e05cf1e (diff) | |
check if the file descriptor can be stored in the select() file descriptor set
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd@1781 ef36b2f9-881f-0410-afb5-c4e39611909c
| -rw-r--r-- | common/tio.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/common/tio.c b/common/tio.c index b13ba99..75d1f64 100644 --- a/common/tio.c +++ b/common/tio.c @@ -184,6 +184,11 @@ static int tio_select(TFILE *fp, int readfd, const struct timeval *deadline) while (1) { /* prepare our filedescriptorset */ + if (fp->fd>=FD_SETSIZE) + { + errno=EBADFD; + return -1; + } FD_ZERO(&fdset); FD_SET(fp->fd,&fdset); /* figure out the time we need to wait */ @@ -343,6 +348,11 @@ int tio_skipall(TFILE *fp) while (1) { /* prepare our file descriptor set */ + if (fp->fd>=FD_SETSIZE) + { + errno=EBADFD; + return -1; + } FD_ZERO(&fdset); FD_SET(fp->fd,&fdset); /* prepare the time to wait */ @@ -446,6 +456,11 @@ static int tio_flush_nonblock(TFILE *fp) fd_set fdset; int rv; /* prepare our filedescriptorset */ + if (fp->fd>=FD_SETSIZE) + { + errno=EBADFD; + return -1; + } FD_ZERO(&fdset); FD_SET(fp->fd,&fdset); /* set the timeout to 0 to poll */ |