From: Vincent Lefevre <vincent@vinc17.net>
Date: Tue, 19 Jun 2018 07:37:56 +0000 (+0200)
Subject: Reset errno to 0 before calling strtol and testing it in mutt_atol.
X-Git-Tag: mutt-1-11-rel~135
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1e3473ec5c06e96d86e843d66c1e926f4aac776e;p=mutt

Reset errno to 0 before calling strtol and testing it in mutt_atol.

Otherwise providing LONG_MAX+1 then LONG_MAX gave an error for LONG_MAX too.
---

diff --git a/lib.c b/lib.c
index 583d2fff..f008aae0 100644
--- a/lib.c
+++ b/lib.c
@@ -1077,6 +1077,7 @@ int mutt_atol (const char *str, long *dst)
     return 0;
   }
 
+  errno = 0;
   *res = strtol (str, &e, 10);
   if ((*res == LONG_MAX && errno == ERANGE) ||
       (e && *e != '\0'))