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 97b8dedb03f5fae8614bc51cbacbbe233a8cabe3..5b8a62246f675e24e6ce1b2b01443528fa33fc3b 100644 (file)
--- 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 1df2b23388eae565bebf453301a5f52f3883dcf9..afad1058eb4071f32d55ff68984f60ebcb5833be 100644 (file)
--- 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