// it refers all to // https://stackoverflow.com/questions/11362771/list-files-in-directory-c // https://bituse.info/winapi/31 // // Parameters // // lpcstr_path // // Directory name which is going to be found files. // // Return Value // // char** // // File list under the lpcstr_path, which has fullpath. // char** FileControler::get_files ( char* lpcstr_path, int* file_num ) {
I reffered to the elder program and would learn a lot of things.
We usually use get and file process.
Process on the way of seeing vax
-> we are on a vax see
421 :/*********************************************************************/
422 :/* */
423 :/* subroutine get_files - get input filenames and open */
424 :/* */
425 :/*********************************************************************/
426 :
427 :int get_files(host)
428 :int host;
429 :{
430 : short shortint;
431 : typedef long off_t;
432 :
433 : if (inname[0] == ' ') {
434 : printf("\nEnter name of file to be decompressed: ");
435 : gets (inname);
436 : }
437 :
438 : if (host == 1 | host == 2) {
439 : if ((infile = open(inname,O_RDONLY | O_BINARY)) <= 0) {
440 : fprintf(stderr,"\ncan't open input file: %s\n",inname);
441 : exit(1);
442 : }
443 : }
444 : else if (host == 3 | host == 5) {
445 : if ((infile = open(inname,O_RDONLY)) <= 0) {
446 : fprintf(stderr,"\ncan't open input file: %s\n",inname);
447 : exit(1);
448 : }
449 :
450 : /****************************************************************/
451 : /* If we are on a vax see if the file is in var length format. */
452 : /* This logic is in here in case the vax file has been stored */
453 : /* in fixed or undefined format. This might be necessary since */
454 : /* vax variable length files can't be moved to other computer */
455 : /* systems with standard comm programs (kermit, for example). */
456 : /****************************************************************/
457 :
458 : if (host == 3) {
459 : read(infile,&shortint, (size_t) 2);
460 : if (shortint > 0 && shortint < 80) {
461 : host = 4; /* change host to 4 */
462 : printf("This is not a VAX variable length file.");
463 : }
464 : else printf("This is a VAX variable length file.");
465 : lseek(infile,(off_t) 0,0); /* reposition to beginning of file */
466 : }
467 : }
468 :
469 : if (output_format == 0)
470 : do {
471 : printf("\nEnter a number for the output format desired:\n");
472 : printf("\n 1. SFDU/PDS format.");
473 : printf("\n 2. FITS format.");
474 : printf("\n 3. VICAR format.");
475 : printf("\n 4. Unlabelled binary array.\n");
476 : printf("\n Enter format number:");
477 : gets(inname);
478 : output_format = atoi(inname);
479 : } while (output_format < 1 || output_format > 4);
480 :
481 : if (outname[0] == ' ') {
482 : printf("\nEnter name of uncompressed output file: ");
483 : gets (outname);
484 : }
485 :
486 : return(host);
487 :}
488 :
