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-rw-r--r--Include/fileobject.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Include/fileobject.h b/Include/fileobject.h
index 6120e51..1dde17e 100644
--- a/Include/fileobject.h
+++ b/Include/fileobject.h
@@ -39,7 +39,7 @@ PyAPI_DATA(PyTypeObject) PyStdPrinter_Type;
/* A routine to check if a file descriptor can be select()-ed. */
#ifdef HAVE_SELECT
- #define _PyIsSelectable_fd(FD) (((FD) >= 0) && ((FD) < FD_SETSIZE))
+ #define _PyIsSelectable_fd(FD) ((unsigned int)(FD) < (unsigned int)FD_SETSIZE)
#else
#define _PyIsSelectable_fd(FD) (1)
#endif /* HAVE_SELECT */