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authorArthur de Jong <arthur@arthurdejong.org>2012-10-12 17:29:16 (CEST)
committer Arthur de Jong <arthur@arthurdejong.org>2012-10-12 17:29:16 (CEST)
commitabf03bc54032beeff95b1b8634cc005137e11f32 (patch)
treea65891599ad4b74ba10fe20e26dd074f5442f2f8
parentb4848e229dbf65b6941a04403605703b500c46c8 (diff)
check if the file descriptor can be stored in the select() file descriptor set (r1781 from 0.8)
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd-0.7@1782 ef36b2f9-881f-0410-afb5-c4e39611909c
-rw-r--r--common/tio.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/common/tio.c b/common/tio.c
index ce5ab61..ff75f64 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 */
@@ -397,6 +402,11 @@ 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 */