libbb: make spawn() print "can't execute '%s'" on execv error

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 2e48e40..1dbeff8 100644 (file)
--- a/libbb/vfork_daemon_rexec.c
+++ b/libbb/vfork_daemon_rexec.c
@@ -41,6 +41,7 @@ pid_t FAST_FUNC spawn(char **argv)
                 * (but don't run atexit() stuff, which would screw up parent.)
                 */
                failed = errno;
+               bb_perror_msg("can't execute '%s'", argv[0]);
                _exit(111);
        }
        /* parent */