From: Guido van Rossum <guido@python.org>
Date: Sun, 11 Aug 2002 14:06:15 +0000 (+0000)
Subject: Reset errno to zero after calling PyErr_Warn().  It can potentially do
X-Git-Tag: v2.3c1~4548
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3cb8e54da0a3fddd4841ecdbc6a7a79798fcbacd;p=python

Reset errno to zero after calling PyErr_Warn().  It can potentially do
a lot of work, including I/O (e.g. to import warnings.py), which might
affect errno.
---

diff --git a/Python/compile.c b/Python/compile.c
index e547e03b26..dbff9b03ae 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1162,6 +1162,7 @@ parsenumber(struct compiling *co, char *s)
 				       "will return positive values "
 				       "in Python 2.4 and up") < 0)
 				return NULL;
+			errno = 0; /* Might be changed by PyErr_Warn() */
 		}
 	}
 	else