/* Open tempfile. */
if ( !( f = fopen( commandbuf + 1, "w" ) ) )
{
- printf( "can't open cmd_string file\n" );
+ err_printf( "[errno %d] failed to wite cmd_string file '%s': %s",
+ errno, commandbuf + 1, strerror(errno) );
rstat = EXEC_CMD_FAIL;
exit_reason = EXIT_FAIL;