[PATCH] dwelf_elf_e_machine_string: Clear errno before calling strtol

[Andreas Schwab]

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

Signed-off-by: Andreas Schwab <schwab@suse.de>
---
 tests/ChangeLog                    | 5 +++++
 tests/dwelf_elf_e_machine_string.c | 1 +
 2 files changed, 6 insertions(+)

diff --git a/tests/ChangeLog b/tests/ChangeLog
index 97b8dedb..5b8a6224 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 1df2b233..afad1058 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
-- 
2.24.0


-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."