From 2e1b6ec9964ca7d1427d93a571d2f99e464a67b3 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Thu, 15 Mar 2018 09:57:24 +0900
Subject: [PATCH] reset errno before calling strtoimax.

---
 parson.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/parson.c b/parson.c
index 513946f..fafaf9a 100644
--- a/parson.c
+++ b/parson.c
@@ -784,7 +784,9 @@ static JSON_Value * parse_number_value(const char **string) {
     char *end;
     double number = 0;
 #ifdef JSON_FIXED_NUMBER
-    intmax_t fixed = strtoimax(*string, &end, 10);
+    intmax_t fixed;
+    errno = 0;
+    fixed = strtoimax(*string, &end, 10);
     if (errno == 0 && INT64_MIN <= fixed && fixed <= INT64_MAX) {
         *string = end;
         return json_value_init_fixed(fixed);