From: Michael Hudson-Doyle <michael.hudson@canonical.com>
Date: Wed, 11 Mar 2020 00:05:25 +0000 (+1300)
Subject: test-container: print errno when execvp fails
X-Git-Tag: glibc-2.32~509
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=083d644d420f49c992667f4c7a54848ad3dee54d;p=thirdparty%2Fglibc.git

test-container: print errno when execvp fails

I'm debugging a situation where lots of tests using test-container fail
and it's possible knowing errno would help understand why.

Reviewed-by: DJ Delorie <dj@redhat.com>
---

diff --git a/support/test-container.c b/support/test-container.c
index e970eb2c18a..dff2ff379ea 100644
--- a/support/test-container.c
+++ b/support/test-container.c
@@ -1145,7 +1145,7 @@ main (int argc, char **argv)
   execvp (new_child_exec, new_child_proc);
 
   /* Or don't run the child?  */
-  FAIL_EXIT1 ("Unable to exec %s\n", new_child_exec);
+  FAIL_EXIT1 ("Unable to exec %s: %s\n", new_child_exec, strerror (errno));
 
   /* Because gcc won't know error () never returns...  */
   exit (EXIT_UNSUPPORTED);