From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 4 Aug 2020 00:56:54 +0000 (-0700)
Subject: bpo-38156: Fix compiler warning in PyOS_StdioReadline() (GH-21721)
X-Git-Tag: v3.9.0rc1~24
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b6724be8047ac2404aab870d35d8f95bb0b7036a;p=thirdparty%2FPython%2Fcpython.git

bpo-38156: Fix compiler warning in PyOS_StdioReadline() (GH-21721)


incr cannot be larger than INT_MAX: downcast to int explicitly.
(cherry picked from commit bde48fd8110cc5f128d5db44810d17811e328a24)

Co-authored-by: Victor Stinner <vstinner@python.org>
---

diff --git a/Parser/myreadline.c b/Parser/myreadline.c
index a49c9d892dda..143b41f1eab9 100644
--- a/Parser/myreadline.c
+++ b/Parser/myreadline.c
@@ -317,7 +317,7 @@ PyOS_StdioReadline(FILE *sys_stdin, FILE *sys_stdout, const char *prompt)
             return NULL;
         }
         p = pr;
-        int err = my_fgets(tstate, p + n, incr, sys_stdin);
+        int err = my_fgets(tstate, p + n, (int)incr, sys_stdin);
         if (err == 1) {
             // Interrupt
             PyMem_RawFree(p);