diff options
Diffstat (limited to 'winsup/cygwin/miscfuncs.cc')
| -rw-r--r-- | winsup/cygwin/miscfuncs.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc index c5d46fbf0..63b05d975 100644 --- a/winsup/cygwin/miscfuncs.cc +++ b/winsup/cygwin/miscfuncs.cc @@ -153,3 +153,12 @@ __check_null_invalid_struct_errno (const void *s, unsigned sz) set_errno (__err); return __err; } + +int __stdcall +__check_invalid_read_ptr_errno (const void *s, unsigned sz) +{ + if (!s || IsBadReadPtr ((void *) s, sz)) + set_errno (EFAULT); + + return 0; +} |