avoid int overflow on arches with 32bit long

Bug: https://github.com/curl/curl/pull/1748

0002-curl-7.55.0-32bit-overflow.patch

@@ -0,0 +1,26 @@
+From b478816720e1a6b909f454c421dc620e18383947 Mon Sep 17 00:00:00 2001
+From: Kamil Dudka <kdudka@redhat.com>
+Date: Wed, 9 Aug 2017 14:27:05 +0200
+Subject: [PATCH] curl: avoid int overflow on arches with 32bit long
+
+This makes test1427 pass on i386.
+---
+ src/tool_paramhlp.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
+index b9dedc9..205c260 100644
+--- a/src/tool_paramhlp.c
++++ b/src/tool_paramhlp.c
+@@ -218,7 +218,7 @@ static ParameterError str2double(double *val, const char *str, long max)
+     num = strtod(str, &endptr);
+     if(errno == ERANGE)
+       return PARAM_NUMBER_TOO_LARGE;
+-    if((long)num > max) {
++    if(num > (double)LONG_MAX || (long)num > max) {
+       /* too large */
+       return PARAM_NUMBER_TOO_LARGE;
+     }
+-- 
+2.9.4
+

curl.spec

@@ -10,6 +10,10 @@ Source: https://curl.haxx.se/download/%{name}-%{version}.tar.xz
 # https://github.com/curl/curl/pull/1744
 Patch1:   0001-curl-7.55.0-tests-missing-py-scripts.patch
 
+# avoid int overflow on arches with 32bit long
+# https://github.com/curl/curl/pull/1748
+Patch2:   0002-curl-7.55.0-32bit-overflow.patch
+
 # patch making libcurl multilib ready
 Patch101: 0101-curl-7.32.0-multilib.patch
 
@@ -156,6 +160,9 @@ be installed.
 %patch1 -p1
 chmod +x tests/{dictserver,negtelnetserver}.py
 
+# not yet upstream
+%patch2 -p1
+
 # Fedora patches
 %patch101 -p1
 %patch102 -p1