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| author | Corinna Vinschen <corinna@vinschen.de> | 2017-01-19 21:11:22 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2017-01-19 21:11:22 +0100 |
| commit | 946cd7df284175e5c36140349a4173ac64a76115 (patch) | |
| tree | b9e0a79e157b03b894e2ef5c3d14c6951be65fcb /winsup/cygwin/miscfuncs.cc | |
| parent | e2ab9b71fa49b5295fe7387e18e37b6d81d7ddc2 (diff) | |
| download | newlib-946cd7df284175e5c36140349a4173ac64a76115.zip newlib-946cd7df284175e5c36140349a4173ac64a76115.tar.gz newlib-946cd7df284175e5c36140349a4173ac64a76115.tar.bz2 | |
check_iovec: Change test to be more robust against invalid iovcnt values
Stop running wild if iovcnt is < 0 to begin with.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diffstat (limited to 'winsup/cygwin/miscfuncs.cc')
| -rw-r--r-- | winsup/cygwin/miscfuncs.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc index e042d00..63e60f0 100644 --- a/winsup/cygwin/miscfuncs.cc +++ b/winsup/cygwin/miscfuncs.cc @@ -60,7 +60,7 @@ check_iovec (const struct iovec *iov, int iovcnt, bool forwrite) size_t tot = 0; - while (iovcnt != 0) + while (iovcnt > 0) { if (iov->iov_len > SSIZE_MAX || (tot += iov->iov_len) > SSIZE_MAX) { |