CheckedFile: Fix recent change for errno on Windows (#120)

The error needs to be checked for non-zero, not negative like an fd. Fixes commit e7edc4f
asmaloney · Oct 8, 2022 · 1d79580 · 1d79580
1 parent e7edc4f
commit 1d79580
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/CheckedFile.cpp b/src/CheckedFile.cpp
@@ -220,8 +220,8 @@ int CheckedFile::open64( const ustring &fileName, int flags, int mode )
    std::wstring widePath = converter.from_bytes( fileName );
 
    int handle;
-   int err = _wsopen_s( &handle, widePath.c_str(), flags, _SH_DENYNO, mode );
-   if ( err < 0 )
+   errno_t err = _wsopen_s( &handle, widePath.c_str(), flags, _SH_DENYNO, mode );
+   if ( err != 0 )
    {
       throw E57_EXCEPTION2( E57_ERROR_OPEN_FAILED, "errno=" + toString( errno ) + " error='" + strerror( errno ) +
                                                       "' fileName=" + fileName + " flags=" + toString( flags ) +