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* mmap.cc (mmap_record::find_empty): Add input parameter check.

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Corinna Vinschen 2001-11-05 20:58:22 +00:00
parent c7dd4f9511
commit 910e57ec84
2 changed files with 6 additions and 0 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
2001-11-05 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (mmap_record::find_empty): Add input parameter check.
2001-11-04 Christopher Faylor <cgf@redhat.com> 2001-11-04 Christopher Faylor <cgf@redhat.com>
* dtable.cc (dtable::build_fhandler): Fix debug_printf to avoid SEGV * dtable.cc (dtable::build_fhandler): Fix debug_printf to avoid SEGV

2
winsup/cygwin/mmap.cc
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@ -109,6 +109,8 @@ mmap_record::find_empty (DWORD pages)
DWORD mapped_pages = PAGE_CNT (size_to_map_); DWORD mapped_pages = PAGE_CNT (size_to_map_);
DWORD start; DWORD start;
if (pages > mapped_pages)
return (DWORD)-1;
for (start = 0; start <= mapped_pages - pages; ++start) for (start = 0; start <= mapped_pages - pages; ++start)
if (!MAP_ISSET (start)) if (!MAP_ISSET (start))
{ {