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* dtable.cc (dtable::dup2): Extend fdtab if newfd is out of current

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allocated bounds.
This commit is contained in:
Corinna Vinschen
2000-08-18 18:14:08 +00:00
parent 1c75dc93c8
commit 83eda97dff
2 changed files with 11 additions and 0 deletions
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6
winsup/cygwin/dtable.cc
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@ -345,6 +345,12 @@ dtable::dup2 (int oldfd, int newfd)
}
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"dup");
if ((size_t) newfd >= fdtab.size)
{
int inc_size = NOFILE_INCR * ((newfd + NOFILE_INCR - 1) / NOFILE_INCR) -
fdtab.size;
fdtab.extend (inc_size);
}
if ((size_t) newfd >= fdtab.size || newfd < 0)
{
syscall_printf ("new fd out of bounds: %d", newfd);