命令行解析函数

#define MAX_ARGS    80
#define ARGSIZE    256

static int    cmd_argc;
static char    cmd_argv[ MAX_ARGS ][ ARGSIZE ];

void Cmd_Init( const char *text )
{
    char    *p;

    cmd_argc = 0;

    while ( cmd_argc < MAX_ARGS )
    {
        while ( *text && isspace( *text ) )
        {
            text++;
        }

        if ( !*text || *text == '
' )
            break;

        if ( *text == '"' )
        {
            text++;
            p = ( char * )&cmd_argv[ cmd_argc++ ];

            while ( *text && *text != '"' )
            {
                *p++ = *text++;
            }

            *p = '';

            if ( *text == '"' )
                text++;
        }
        else
        {
            p = ( char * )&cmd_argv[ cmd_argc++ ];

            while ( *text && !isspace( *text ) )
            {
                *p++ = *text++;
            }

            *p = '';
        }
    }
}

int Cmd_Argc( void )
{
    return cmd_argc;
}

char *Cmd_Argv( int i )
{
    if ( i < cmd_argc )
        return cmd_argv[ i ];

    return "";
}