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-rw-r--r--Objects/fileobject.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index f8c58ba..d07aa69 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -165,7 +165,10 @@ PyFile_SetBufSize(f, bufsize)
}
setvbuf(((PyFileObject *)f)->f_fp, (char *)NULL,
type, bufsize);
-#endif /* HAVE_SETVBUF */
+#else /* !HAVE_SETVBUF */
+ if (bufsize <= 1)
+ setbuf(((PyFileObject *)f)->f_fp, (char *)NULL);
+#endif /* !HAVE_SETVBUF */
}
}