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* dtable.cc (cygwin_attach_handle_to_fd): Defend against NULL return from

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build_fh_*.
(dtable::init_std_file_from_handle): Ditto.
* mmap.cc (mmap_record::alloc_fh): Ditto.
* path.cc (path_conv::check): Ditto.
This commit is contained in:
Christopher Faylor
2012-04-07 17:32:44 +00:00
parent 00ceaad134
commit e5b7e4d1c7
4 changed files with 26 additions and 6 deletions
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5
winsup/cygwin/dtable.cc
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@ -256,6 +256,8 @@ cygwin_attach_handle_to_fd (char *name, int fd, HANDLE handle, mode_t bin,
if (fd == -1)
fd = cygheap->fdtab.find_unused_handle ();
fhandler_base *fh = build_fh_name (name);
if (!fh)
return -1;
cygheap->fdtab[fd] = fh;
cygheap->fdtab[fd]->refcnt (1);
fh->init (handle, myaccess, bin ?: fh->pc_binmode ());
@ -337,6 +339,9 @@ dtable::init_std_file_from_handle (int fd, HANDLE handle)
else
fh = build_fh_name (name);
if (!fh)
return;
if (name[0])
{
bin = fh->pc_binmode ();