Function exec_cmd

src/engine/execvms.cpp:101–328

 */

void exec_cmd
(
    string const * command,
    int flags,
    ExecCmdCallback func,
    void * closure,
    LIST * shell
)
{
    char * s;
    char * e;
    char * p;
    int vms_status;
    int status;
    int rstat = EXEC_CMD_OK;
    int exit_reason = EXIT_OK;
    timing_info time_info;
    timestamp start_dt;
    struct tms start_time;
    struct tms end_time;
    char * cmd_string = command->value;


    /* Start the command */

    timestamp_current( &time_info.start );
    times( &start_time );

    /* See if command is more than one line discounting leading/trailing white
     * space.
     */
    for ( s = cmd_string; *s && isspace( *s ); ++s );

    e = p = strchr( s, '\n' );

    while ( p && isspace( *p ) )
        ++p;

    /* If multi line or long, write to com file. Otherwise, exec directly. */
    if ( ( p && *p ) || ( e - s > WRTLEN ) )
    {
        FILE * f;

        /* Create temp file invocation. */

        if ( !*commandbuf )
        {
            OBJECT * tmp_filename = 0;

            tmp_filename = path_tmpfile();


            /* Get tmp file name is VMS-format. */
            {
                string os_filename[ 1 ];
                string_new( os_filename );
                path_translate_to_os( object_str( tmp_filename ), os_filename );
                object_free( tmp_filename );