From: Andreas Schwab <schwab@suse.de>
Date: Thu, 14 Nov 2019 13:54:58 +0000 (+0100)
Subject: dwelf_elf_e_machine_string: Clear errno before calling strtol
X-Git-Tag: elfutils-0.178~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be1ed9f108d2001e84437b4162d889bff955be8f;p=thirdparty%2Felfutils.git

dwelf_elf_e_machine_string: Clear errno before calling strtol

Avoid spurious failure if errno is modified by any other library call in
the test.

Signed-off-by: Andreas Schwab <schwab@suse.de>
---

diff --git a/tests/ChangeLog b/tests/ChangeLog
index 97b8dedb0..5b8a62246 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-14  Andreas Schwab  <schwab@suse.de>
+
+	* dwelf_elf_e_machine_string.c (main): Clear errno before calling
+	strtol.
+
 2019-09-02  Mark Wielaard  <mark@klomp.org>
 
 	* run-readelf-s.sh: Add --dyn-syms case.
diff --git a/tests/dwelf_elf_e_machine_string.c b/tests/dwelf_elf_e_machine_string.c
index 1df2b2338..afad1058e 100644
--- a/tests/dwelf_elf_e_machine_string.c
+++ b/tests/dwelf_elf_e_machine_string.c
@@ -40,6 +40,7 @@ main (int argc, char **argv)
       int em;
       const char *machine;
 
+      errno = 0;
       if (strncmp ("0x", argv[i], 2) == 0)
 	val = strtol (&argv[i][2], NULL, 16);
       else