From 4cebad3859f8cc4fe526a89ef2277d1db9ee9b7c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 6 Jul 2021 16:06:23 +0200
Subject: Clear errno before calling strto*() functions

---
 tests/process-term/driver.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'tests/process-term')

diff --git a/tests/process-term/driver.cxx b/tests/process-term/driver.cxx
index 8487bb7..835272f 100644
--- a/tests/process-term/driver.cxx
+++ b/tests/process-term/driver.cxx
@@ -98,6 +98,7 @@ main (int argc, const char* argv[])
     assert (!s.empty ());
 
     char* e (nullptr);
+    errno = 0; // We must clear it according to POSIX.
     uint64_t r (strtoull (s.c_str (), &e, 10)); // Can't throw.
     assert (errno != ERANGE && e == s.c_str () + s.size ());
 
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