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filesystem::exists, must check to see why a filesystem stat failed, before assuming that the file does not exist.

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[SVN r22564]
This commit is contained in:
John Maddock
2004-03-30 15:19:58 +00:00
parent c7a9bf6593
commit 5b78d4c497
1 changed files with 16 additions and 2 deletions
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18
src/operations_posix_windows.cpp
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@@ -310,9 +310,23 @@ namespace boost
{
# ifdef BOOST_POSIX
struct stat path_stat;
return ::stat( ph.string().c_str(), &path_stat ) == 0;
if(::stat( ph.string().c_str(), &path_stat ) != 0)
{
if((errno == ENOENT) || (errno == ENOTDIR))
return false; // stat failed because the path does not exist
// for any other error we assume the file does exist and fall through,
// this may not be the best policy though... (JM 20040330)
}
return true;
# else
return ::GetFileAttributesA( ph.string().c_str() ) != 0xFFFFFFFF;
if(::GetFileAttributesA( ph.string().c_str() ) == 0xFFFFFFFF)
{
if((::GetLastError() == ERROR_FILE_NOT_FOUND) || (::GetLastError() == ERROR_PATH_NOT_FOUND))
return false; // GetFileAttributes failed because the path does not exist
// for any other error we assume the file does exist and fall through,
// this may not be the best policy though... (JM 20040330)
}
return true;
# endif
}