Use _dosmaperr() to deal with errors opening files in pgwin32_open().

Per complaint from Alvaro and subsequent discussion.

1 files changed, 1 insertions, 16 deletions

diff --git a/src/port/open.c b/src/port/open.c
index 522558083f..a0d18dd442 100644
--- a/src/port/open.c
+++ b/src/port/open.c
@@ -88,22 +88,7 @@ pgwin32_open(const char *fileName, int fileFlags,...)
 						((fileFlags & O_DSYNC) ? FILE_FLAG_WRITE_THROUGH : 0),
 						NULL)) == INVALID_HANDLE_VALUE)
 	{
-		switch (GetLastError())
-		{
-				/* EMFILE, ENFILE should not occur from CreateFile. */
-			case ERROR_PATH_NOT_FOUND:
-			case ERROR_FILE_NOT_FOUND:
-				errno = ENOENT;
-				break;
-			case ERROR_FILE_EXISTS:
-				errno = EEXIST;
-				break;
-			case ERROR_ACCESS_DENIED:
-				errno = EACCES;
-				break;
-			default:
-				errno = EINVAL;
-		}
+		_dosmaperr(GetLastError());
 		return -1;
 	}