direct/dtest.c

   1 /*
   2  * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2007 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Charles Manning <charles@aleph1.co.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 /*
  15 * Test code for the "direct" interface.
  16 */
  17
  18
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23
  24 #include "yaffsfs.h"
  25
  26 void dumpDir(const char *dname);
  27
  28 char xx[600];
  29
  30 void copy_in_a_file(char *yaffsName,char *inName)
  31 {
  32         int inh,outh;
  33         unsigned char buffer[100];
  34         int ni,no;
  35         inh = open(inName,O_RDONLY);
  36         outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  37
  38         while((ni = read(inh,buffer,100)) > 0)
  39         {
  40                 no = yaffs_write(outh,buffer,ni);
  41                 if(ni != no)
  42                 {
  43                         printf("problem writing yaffs file\n");
  44                 }
  45
  46         }
  47
  48         yaffs_close(outh);
  49         close(inh);
  50 }
  51
  52 void make_a_file(char *yaffsName,char bval,int sizeOfFile)
  53 {
  54         int outh;
  55         int i;
  56         unsigned char buffer[100];
  57
  58         outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  59
  60         memset(buffer,bval,100);
  61
  62         do{
  63                 i = sizeOfFile;
  64                 if(i > 100) i = 100;
  65                 sizeOfFile -= i;
  66
  67                 yaffs_write(outh,buffer,i);
  68
  69         } while (sizeOfFile > 0);
  70
  71
  72         yaffs_close(outh);
  73
  74 }
  75
  76 void make_pattern_file(char *fn,int size)
  77 {
  78         int outh;
  79         int marker;
  80         int i;
  81         outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
  82         yaffs_lseek(outh,size-1,SEEK_SET);
  83         yaffs_write(outh,"A",1);
  84
  85         for(i = 0; i < size; i+=256)
  86         {
  87                 marker = ~i;
  88                 yaffs_lseek(outh,i,SEEK_SET);
  89                 yaffs_write(outh,&marker,sizeof(marker));
  90         }
  91         yaffs_close(outh);
  92
  93 }
  94
  95 int check_pattern_file(char *fn)
  96 {
  97         int h;
  98         int marker;
  99         int i;
 100         int size;
 101         int ok = 1;
 102
 103         h = yaffs_open(fn, O_RDWR,0);
 104         size = yaffs_lseek(h,0,SEEK_END);
 105
 106         for(i = 0; i < size; i+=256)
 107         {
 108                 yaffs_lseek(h,i,SEEK_SET);
 109                 yaffs_read(h,&marker,sizeof(marker));
 110                 ok = (marker == ~i);
 111                 if(!ok)
 112                 {
 113                    printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
 114                                         fn,size,i,marker,~i);
 115                 }
 116         }
 117         yaffs_close(h);
 118         return ok;
 119 }
 120
 121
 122
 123
 124
 125 int dump_file_data(char *fn)
 126 {
 127         int h;
 128         int marker;
 129         int i = 0;
 130         int size;
 131         int ok = 1;
 132         unsigned char b;
 133
 134         h = yaffs_open(fn, O_RDWR,0);
 135
 136
 137         printf("%s\n",fn);
 138         while(yaffs_read(h,&b,1)> 0)
 139         {
 140                 printf("%02x",b);
 141                 i++;
 142                 if(i > 32)
 143                 {
 144                    printf("\n");
 145                    i = 0;;
 146                  }
 147         }
 148         printf("\n");
 149         yaffs_close(h);
 150         return ok;
 151 }
 152
 153
 154
 155 void dump_file(const char *fn)
 156 {
 157         int i;
 158         int size;
 159         int h;
 160
 161         h = yaffs_open(fn,O_RDONLY,0);
 162         if(h < 0)
 163         {
 164                 printf("*****\nDump file %s does not exist\n",fn);
 165         }
 166         else
 167         {
 168                 size = yaffs_lseek(h,0,SEEK_SET);
 169                 printf("*****\nDump file %s size %d\n",fn,size);
 170                 for(i = 0; i < size; i++)
 171                 {
 172
 173                 }
 174         }
 175 }
 176
 177 void create_file_of_size(const char *fn,int syze)
 178 {
 179         int h;
 180         int n;
 181
 182         char xx[200];
 183
 184         int iterations = (syze + strlen(fn) -1)/ strlen(fn);
 185
 186         h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 187
 188         while (iterations > 0)
 189         {
 190                 sprintf(xx,"%s %8d",fn,iterations);
 191                 yaffs_write(h,xx,strlen(xx));
 192                 iterations--;
 193         }
 194         yaffs_close (h);
 195 }
 196
 197 void verify_file_of_size(const char *fn,int syze)
 198 {
 199         int h;
 200         int n;
 201
 202         char xx[200];
 203         char yy[200];
 204         int l;
 205
 206         int iterations = (syze + strlen(fn) -1)/ strlen(fn);
 207
 208         h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE);
 209
 210         while (iterations > 0)
 211         {
 212                 sprintf(xx,"%s %8d",fn,iterations);
 213                 l = strlen(xx);
 214
 215                 yaffs_read(h,yy,l);
 216                 yy[l] = 0;
 217
 218                 if(strcmp(xx,yy)){
 219                         printf("=====>>>>> verification of file %s failed near position %d\n",fn,yaffs_lseek(h,0,SEEK_CUR));
 220                 }
 221                 iterations--;
 222         }
 223         yaffs_close (h);
 224 }
 225
 226 void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
 227 {
 228         int h;
 229         int n;
 230
 231
 232         int iterations;
 233
 234         h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 235
 236         iterations = (syze1 + strlen(fn) -1)/ strlen(fn);
 237         while (iterations > 0)
 238         {
 239                 yaffs_write(h,fn,strlen(fn));
 240                 iterations--;
 241         }
 242
 243         yaffs_truncate(h,reSyze);
 244
 245         yaffs_lseek(h,0,SEEK_SET);
 246         iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
 247         while (iterations > 0)
 248         {
 249                 yaffs_write(h,fn,strlen(fn));
 250                 iterations--;
 251         }
 252
 253         yaffs_close (h);
 254 }
 255
 256
 257 void do_some_file_stuff(const char *path)
 258 {
 259
 260         char fn[100];
 261
 262         sprintf(fn,"%s/%s",path,"f1");
 263         create_file_of_size(fn,10000);
 264
 265         sprintf(fn,"%s/%s",path,"fdel");
 266         create_file_of_size(fn,10000);
 267         yaffs_unlink(fn);
 268
 269         sprintf(fn,"%s/%s",path,"f2");
 270
 271         create_resized_file_of_size(fn,10000,3000,4000);
 272 }
 273
 274 void yaffs_backward_scan_test(const char *path)
 275 {
 276         char fn[100];
 277
 278         yaffs_StartUp();
 279
 280         yaffs_mount(path);
 281
 282         do_some_file_stuff(path);
 283
 284         sprintf(fn,"%s/ddd",path);
 285
 286         yaffs_mkdir(fn,0);
 287
 288         do_some_file_stuff(fn);
 289
 290         yaffs_unmount(path);
 291
 292         yaffs_mount(path);
 293 }
 294
 295 char xxzz[2000];
 296
 297
 298 void yaffs_device_flush_test(const char *path)
 299 {
 300         char fn[100];
 301         int h;
 302         int i;
 303
 304         yaffs_StartUp();
 305
 306         yaffs_mount(path);
 307
 308         do_some_file_stuff(path);
 309
 310         // Open and add some data to a few files
 311         for(i = 0; i < 10; i++) {
 312
 313                 sprintf(fn,"%s/ff%d",path,i);
 314
 315                 h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD);
 316                 yaffs_write(h,xxzz,2000);
 317                 yaffs_write(h,xxzz,2000);
 318         }
 319         yaffs_unmount(path);
 320
 321         yaffs_mount(path);
 322 }
 323
 324
 325
 326 void short_scan_test(const char *path, int fsize, int niterations)
 327 {
 328         int i;
 329         char fn[100];
 330
 331         sprintf(fn,"%s/%s",path,"f1");
 332
 333         yaffs_StartUp();
 334         for(i = 0; i < niterations; i++)
 335         {
 336                 printf("\n*****************\nIteration %d\n",i);
 337                 yaffs_mount(path);
 338                 printf("\nmount: Directory look-up of %s\n",path);
 339                 dumpDir(path);
 340                 make_a_file(fn,1,fsize);
 341                 yaffs_unmount(path);
 342         }
 343 }
 344
 345
 346
 347 void scan_pattern_test(const char *path, int fsize, int niterations)
 348 {
 349         int i;
 350         int j;
 351         char fn[3][100];
 352         int result;
 353
 354         sprintf(fn[0],"%s/%s",path,"f0");
 355         sprintf(fn[1],"%s/%s",path,"f1");
 356         sprintf(fn[2],"%s/%s",path,"f2");
 357
 358         yaffs_StartUp();
 359
 360         for(i = 0; i < niterations; i++)
 361         {
 362                 printf("\n*****************\nIteration %d\n",i);
 363                 yaffs_mount(path);
 364                 printf("\nmount: Directory look-up of %s\n",path);
 365                 dumpDir(path);
 366                 for(j = 0; j < 3; j++)
 367                 {
 368                         result = dump_file_data(fn[j]);
 369                         result = check_pattern_file(fn[j]);
 370                         make_pattern_file(fn[j],fsize);
 371                         result = dump_file_data(fn[j]);
 372                         result = check_pattern_file(fn[j]);
 373                 }
 374                 yaffs_unmount(path);
 375         }
 376 }
 377
 378 void fill_disk(char *path,int nfiles)
 379 {
 380         int h;
 381         int n;
 382         int result;
 383         int f;
 384
 385         char str[50];
 386
 387         for(n = 0; n < nfiles; n++)
 388         {
 389                 sprintf(str,"%s/%d",path,n);
 390
 391                 h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
 392
 393                 printf("writing file %s handle %d ",str, h);
 394
 395                 while ((result = yaffs_write(h,xx,600)) == 600)
 396                 {
 397                         f = yaffs_freespace(path);
 398                 }
 399                 result = yaffs_close(h);
 400                 printf(" close %d\n",result);
 401         }
 402 }
 403
 404 void fill_disk_and_delete(char *path, int nfiles, int ncycles)
 405 {
 406         int i,j;
 407         char str[50];
 408         int result;
 409
 410         for(i = 0; i < ncycles; i++)
 411         {
 412                 printf("@@@@@@@@@@@@@@ cycle %d\n",i);
 413                 fill_disk(path,nfiles);
 414
 415                 for(j = 0; j < nfiles; j++)
 416                 {
 417                         sprintf(str,"%s/%d",path,j);
 418                         result = yaffs_unlink(str);
 419                         printf("unlinking file %s, result %d\n",str,result);
 420                 }
 421         }
 422 }
 423
 424
 425 void fill_files(char *path,int flags, int maxIterations,int siz)
 426 {
 427         int i;
 428         int j;
 429         char str[50];
 430         int h;
 431
 432         i = 0;
 433
 434         do{
 435                 sprintf(str,"%s/%d",path,i);
 436                 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
 437                 yaffs_close(h);
 438
 439                 if(h >= 0)
 440                 {
 441                         for(j = 0; j < siz; j++)
 442                         {
 443                                 yaffs_write(h,str,1);
 444                         }
 445                 }
 446
 447                 if( flags & 1)
 448                 {
 449                         yaffs_unlink(str);
 450                 }
 451                 i++;
 452         } while(h >= 0 && i < maxIterations);
 453
 454         if(flags & 2)
 455         {
 456                 i = 0;
 457                 do{
 458                         sprintf(str,"%s/%d",path,i);
 459                         printf("unlink %s\n",str);
 460                         i++;
 461                 } while(yaffs_unlink(str) >= 0);
 462         }
 463 }
 464
 465 void leave_unlinked_file(char *path,int maxIterations,int siz)
 466 {
 467         int i;
 468         char str[50];
 469         int h;
 470
 471         i = 0;
 472
 473         do{
 474                 sprintf(str,"%s/%d",path,i);
 475                 printf("create %s\n",str);
 476                 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
 477                 if(h >= 0)
 478                 {
 479                         yaffs_unlink(str);
 480                 }
 481                 i++;
 482         } while(h < 0 && i < maxIterations);
 483
 484         if(h >= 0)
 485         {
 486                 for(i = 0; i < siz; i++)
 487                 {
 488                         yaffs_write(h,str,1);
 489                 }
 490         }
 491
 492         printf("Leaving file %s open\n",str);
 493
 494 }
 495
 496 void dumpDirFollow(const char *dname)
 497 {
 498         yaffs_DIR *d;
 499         yaffs_dirent *de;
 500         struct yaffs_stat s;
 501         char str[100];
 502
 503         d = yaffs_opendir(dname);
 504
 505         if(!d)
 506         {
 507                 printf("opendir failed\n");
 508         }
 509         else
 510         {
 511                 while((de = yaffs_readdir(d)) != NULL)
 512                 {
 513                         sprintf(str,"%s/%s",dname,de->d_name);
 514
 515                         yaffs_stat(str,&s);
 516
 517                         printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
 518                         switch(s.st_mode & S_IFMT)
 519                         {
 520                                 case S_IFREG: printf("data file"); break;
 521                                 case S_IFDIR: printf("directory"); break;
 522                                 case S_IFLNK: printf("symlink -->");
 523                                                           if(yaffs_readlink(str,str,100) < 0)
 524                                                                 printf("no alias");
 525                                                           else
 526                                                                 printf("\"%s\"",str);
 527                                                           break;
 528                                 default: printf("unknown"); break;
 529                         }
 530
 531                         printf("\n");
 532                 }
 533
 534                 yaffs_closedir(d);
 535         }
 536         printf("\n");
 537
 538         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 539
 540 }
 541
 542
 543 void dump_directory_tree_worker(const char *dname,int recursive)
 544 {
 545         yaffs_DIR *d;
 546         yaffs_dirent *de;
 547         struct yaffs_stat s;
 548         char str[1000];
 549
 550         d = yaffs_opendir(dname);
 551
 552         if(!d)
 553         {
 554                 printf("opendir failed\n");
 555         }
 556         else
 557         {
 558                 while((de = yaffs_readdir(d)) != NULL)
 559                 {
 560                         sprintf(str,"%s/%s",dname,de->d_name);
 561
 562                         yaffs_lstat(str,&s);
 563
 564                         printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
 565                         switch(s.st_mode & S_IFMT)
 566                         {
 567                                 case S_IFREG: printf("data file"); break;
 568                                 case S_IFDIR: printf("directory"); break;
 569                                 case S_IFLNK: printf("symlink -->");
 570                                                           if(yaffs_readlink(str,str,100) < 0)
 571                                                                 printf("no alias");
 572                                                           else
 573                                                                 printf("\"%s\"",str);
 574                                                           break;
 575                                 default: printf("unknown"); break;
 576                         }
 577
 578                         printf("\n");
 579
 580                         if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
 581                                 dump_directory_tree_worker(str,1);
 582
 583                 }
 584
 585                 yaffs_closedir(d);
 586         }
 587
 588 }
 589
 590 static void dump_directory_tree(const char *dname)
 591 {
 592         dump_directory_tree_worker(dname,1);
 593         printf("\n");
 594         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 595 }
 596
 597 void dumpDir(const char *dname)
 598 {       dump_directory_tree_worker(dname,0);
 599         printf("\n");
 600         printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 601 }
 602
 603
 604 static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
 605 {
 606         int fd;
 607
 608         if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
 609
 610         fd = yaffs_open(path,tflags,0);
 611
 612         if((fd >= 0) != (expectedResult > 0))
 613         {
 614                 printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
 615         }
 616         else
 617         {
 618                 printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
 619         }
 620
 621
 622         yaffs_close(fd);
 623
 624
 625 }
 626
 627 int long_test(int argc, char *argv[])
 628 {
 629
 630         int f;
 631         int r;
 632         char buffer[20];
 633
 634         char str[100];
 635
 636         int h;
 637         mode_t temp_mode;
 638         struct yaffs_stat ystat;
 639
 640         yaffs_StartUp();
 641
 642         yaffs_mount("/boot");
 643         yaffs_mount("/data");
 644         yaffs_mount("/flash");
 645         yaffs_mount("/ram");
 646
 647         printf("\nDirectory look-up of /boot\n");
 648         dumpDir("/boot");
 649         printf("\nDirectory look-up of /data\n");
 650         dumpDir("/data");
 651         printf("\nDirectory look-up of /flash\n");
 652         dumpDir("/flash");
 653
 654         //leave_unlinked_file("/flash",20000,0);
 655         //leave_unlinked_file("/data",20000,0);
 656
 657         leave_unlinked_file("/ram",20,0);
 658
 659
 660         f = yaffs_open("/boot/b1", O_RDONLY,0);
 661
 662         printf("open /boot/b1 readonly, f=%d\n",f);
 663
 664         f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
 665
 666         printf("open /boot/b1 O_CREAT, f=%d\n",f);
 667
 668
 669         r = yaffs_write(f,"hello",1);
 670         printf("write %d attempted to write to a read-only file\n",r);
 671
 672         r = yaffs_close(f);
 673
 674         printf("close %d\n",r);
 675
 676         f = yaffs_open("/boot/b1", O_RDWR,0);
 677
 678         printf("open /boot/b1 O_RDWR,f=%d\n",f);
 679
 680
 681         r = yaffs_write(f,"hello",2);
 682         printf("write %d attempted to write to a writeable file\n",r);
 683         r = yaffs_write(f,"world",3);
 684         printf("write %d attempted to write to a writeable file\n",r);
 685
 686         r= yaffs_lseek(f,0,SEEK_END);
 687         printf("seek end %d\n",r);
 688         memset(buffer,0,20);
 689         r = yaffs_read(f,buffer,10);
 690         printf("read %d \"%s\"\n",r,buffer);
 691         r= yaffs_lseek(f,0,SEEK_SET);
 692         printf("seek set %d\n",r);
 693         memset(buffer,0,20);
 694         r = yaffs_read(f,buffer,10);
 695         printf("read %d \"%s\"\n",r,buffer);
 696         memset(buffer,0,20);
 697         r = yaffs_read(f,buffer,10);
 698         printf("read %d \"%s\"\n",r,buffer);
 699
 700         // Check values reading at end.
 701         // A read past end of file should return 0 for 0 bytes read.
 702
 703         r= yaffs_lseek(f,0,SEEK_END);
 704         r = yaffs_read(f,buffer,10);
 705         printf("read at end returned  %d\n",r);
 706         r= yaffs_lseek(f,500,SEEK_END);
 707         r = yaffs_read(f,buffer,10);
 708         printf("read past end returned  %d\n",r);
 709
 710         r = yaffs_close(f);
 711
 712         printf("close %d\n",r);
 713
 714         copy_in_a_file("/boot/yyfile","xxx");
 715
 716         // Create a file with a long name
 717
 718         copy_in_a_file("/boot/file with a long name","xxx");
 719
 720
 721         printf("\nDirectory look-up of /boot\n");
 722         dumpDir("/boot");
 723
 724         // Check stat
 725         r = yaffs_stat("/boot/file with a long name",&ystat);
 726
 727         // Check rename
 728
 729         r = yaffs_rename("/boot/file with a long name","/boot/r1");
 730
 731         printf("\nDirectory look-up of /boot\n");
 732         dumpDir("/boot");
 733
 734         // Check unlink
 735         r = yaffs_unlink("/boot/r1");
 736
 737         printf("\nDirectory look-up of /boot\n");
 738         dumpDir("/boot");
 739
 740         // Check mkdir
 741
 742         r = yaffs_mkdir("/boot/directory1",0);
 743
 744         printf("\nDirectory look-up of /boot\n");
 745         dumpDir("/boot");
 746         printf("\nDirectory look-up of /boot/directory1\n");
 747         dumpDir("/boot/directory1");
 748
 749         // add a file to the directory
 750         copy_in_a_file("/boot/directory1/file with a long name","xxx");
 751
 752         printf("\nDirectory look-up of /boot\n");
 753         dumpDir("/boot");
 754         printf("\nDirectory look-up of /boot/directory1\n");
 755         dumpDir("/boot/directory1");
 756
 757         //  Attempt to delete directory (should fail)
 758
 759         r = yaffs_rmdir("/boot/directory1");
 760
 761         printf("\nDirectory look-up of /boot\n");
 762         dumpDir("/boot");
 763         printf("\nDirectory look-up of /boot/directory1\n");
 764         dumpDir("/boot/directory1");
 765
 766         // Delete file first, then rmdir should work
 767         r = yaffs_unlink("/boot/directory1/file with a long name");
 768         r = yaffs_rmdir("/boot/directory1");
 769
 770
 771         printf("\nDirectory look-up of /boot\n");
 772         dumpDir("/boot");
 773         printf("\nDirectory look-up of /boot/directory1\n");
 774         dumpDir("/boot/directory1");
 775
 776 #if 0
 777         fill_disk_and_delete("/boot",20,20);
 778
 779         printf("\nDirectory look-up of /boot\n");
 780         dumpDir("/boot");
 781 #endif
 782
 783         yaffs_symlink("yyfile","/boot/slink");
 784
 785         yaffs_readlink("/boot/slink",str,100);
 786         printf("symlink alias is %s\n",str);
 787
 788
 789
 790
 791         printf("\nDirectory look-up of /boot\n");
 792         dumpDir("/boot");
 793         printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
 794         dumpDirFollow("/boot");
 795         printf("\nDirectory look-up of /boot/directory1\n");
 796         dumpDir("/boot/directory1");
 797
 798         h = yaffs_open("/boot/slink",O_RDWR,0);
 799
 800         printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END));
 801
 802         yaffs_close(h);
 803
 804         yaffs_unlink("/boot/slink");
 805
 806
 807         printf("\nDirectory look-up of /boot\n");
 808         dumpDir("/boot");
 809
 810         // Check chmod
 811
 812         yaffs_stat("/boot/yyfile",&ystat);
 813         temp_mode = ystat.st_mode;
 814
 815         yaffs_chmod("/boot/yyfile",0x55555);
 816         printf("\nDirectory look-up of /boot\n");
 817         dumpDir("/boot");
 818
 819         yaffs_chmod("/boot/yyfile",temp_mode);
 820         printf("\nDirectory look-up of /boot\n");
 821         dumpDir("/boot");
 822
 823         // Permission checks...
 824         PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
 825         PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
 826         PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
 827
 828         PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
 829         PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
 830         PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
 831
 832         PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
 833         PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
 834         PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
 835
 836         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
 837         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
 838         PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
 839
 840         yaffs_chmod("/boot/yyfile",temp_mode);
 841
 842         //create a zero-length file and unlink it (test for scan bug)
 843
 844         h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
 845         yaffs_close(h);
 846
 847         yaffs_unlink("/boot/zlf");
 848
 849
 850         yaffs_DumpDevStruct("/boot");
 851
 852         fill_disk_and_delete("/boot",20,20);
 853
 854         yaffs_DumpDevStruct("/boot");
 855
 856         fill_files("/boot",1,10000,0);
 857         fill_files("/boot",1,10000,5000);
 858         fill_files("/boot",2,10000,0);
 859         fill_files("/boot",2,10000,5000);
 860
 861         leave_unlinked_file("/data",20000,0);
 862         leave_unlinked_file("/data",20000,5000);
 863         leave_unlinked_file("/data",20000,5000);
 864         leave_unlinked_file("/data",20000,5000);
 865         leave_unlinked_file("/data",20000,5000);
 866         leave_unlinked_file("/data",20000,5000);
 867
 868         yaffs_DumpDevStruct("/boot");
 869         yaffs_DumpDevStruct("/data");
 870
 871
 872
 873         return 0;
 874
 875 }
 876
 877 int huge_directory_test_on_path(char *path)
 878 {
 879
 880         yaffs_DIR *d;
 881         yaffs_dirent *de;
 882         struct yaffs_stat s;
 883
 884         int f;
 885         int i;
 886         int r;
 887         int total = 0;
 888         int lastTotal = 0;
 889         char buffer[20];
 890
 891         char str[100];
 892         char name[100];
 893         char name2[100];
 894
 895         int h;
 896         mode_t temp_mode;
 897         struct yaffs_stat ystat;
 898
 899         yaffs_StartUp();
 900
 901         yaffs_mount(path);
 902
 903         // Create a large number of files
 904
 905         for(i = 0; i < 2000; i++)
 906         {
 907           sprintf(str,"%s/%d",path,i);
 908
 909            f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE);
 910            yaffs_close(f);
 911         }
 912
 913
 914
 915         d = yaffs_opendir(path);
 916         i = 0;
 917         if (d) {
 918         while((de = yaffs_readdir(d)) != NULL) {
 919         if (total >lastTotal+100*9*1024||(i & 1023)==0){
 920         printf("files = %d, total = %d\n",i, total);
 921         lastTotal = total;
 922         }
 923                 i++;
 924                 sprintf(str,"%s/%s",path,de->d_name);
 925                 yaffs_lstat(str,&s);
 926                 switch(s.st_mode & S_IFMT){
 927                 case S_IFREG:
 928         //printf("data file");
 929         total += s.st_size;
 930         break;
 931         }
 932         }
 933
 934         yaffs_closedir(d);
 935         }
 936
 937         return 0;
 938 }
 939
 940 int yaffs_scan_test(const char *path)
 941 {
 942 }
 943
 944
 945 void rename_over_test(const char *mountpt)
 946 {
 947         int i;
 948         char a[100];
 949         char b[100];
 950
 951         sprintf(a,"%s/a",mountpt);
 952         sprintf(b,"%s/b",mountpt);
 953
 954         yaffs_StartUp();
 955
 956         yaffs_mount(mountpt);
 957         i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
 958         yaffs_close(i);
 959         i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
 960         yaffs_close(i);
 961         yaffs_rename(a,b); // rename over
 962         yaffs_rename(b,a); // rename back again (not renaimng over)
 963         yaffs_rename(a,b); // rename back again (not renaimng over)
 964
 965
 966         yaffs_unmount(mountpt);
 967
 968 }
 969
 970 int resize_stress_test(const char *path)
 971 {
 972    int a,b,i,j;
 973    int x;
 974    int r;
 975    char aname[100];
 976    char bname[100];
 977
 978    char abuffer[1000];
 979    char bbuffer[1000];
 980
 981    yaffs_StartUp();
 982
 983    yaffs_mount(path);
 984
 985    sprintf(aname,"%s%s",path,"/a");
 986    sprintf(bname,"%s%s",path,"/b");
 987
 988    memset(abuffer,'a',1000);
 989    memset(bbuffer,'b',1000);
 990
 991    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
 992    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
 993
 994    printf(" %s %d %s %d\n",aname,a,bname,b);
 995
 996    x = 0;
 997
 998    for(j = 0; j < 100; j++)
 999    {
1000                 yaffs_lseek(a,0,SEEK_END);
1001
1002
1003                 for(i = 0; i <20000; i++)
1004                 {
1005                    //r =        yaffs_lseek(b,i,SEEK_SET);
1006                         //r = yaffs_write(b,bbuffer,1000);
1007
1008                         if(x & 0x16)
1009                         {
1010                                 // shrink
1011                                 int syz = yaffs_lseek(a,0,SEEK_END);
1012
1013                                 syz -= 500;
1014                                 if(syz < 0) syz = 0;
1015                                 yaffs_truncate(a,syz);
1016
1017                         }
1018                         else
1019                         {
1020                                 //expand
1021                                 r = yaffs_lseek(a,i * 500,SEEK_SET);
1022                                 r = yaffs_write(a,abuffer,1000);
1023                         }
1024                         x++;
1025
1026                 }
1027    }
1028
1029    return 0;
1030
1031 }
1032
1033
1034 int resize_stress_test_no_grow_complex(const char *path,int iters)
1035 {
1036    int a,b,i,j;
1037    int x;
1038    int r;
1039    char aname[100];
1040    char bname[100];
1041
1042    char abuffer[1000];
1043    char bbuffer[1000];
1044
1045    yaffs_StartUp();
1046
1047    yaffs_mount(path);
1048
1049    sprintf(aname,"%s%s",path,"/a");
1050    sprintf(bname,"%s%s",path,"/b");
1051
1052    memset(abuffer,'a',1000);
1053    memset(bbuffer,'b',1000);
1054
1055    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1056    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1057
1058    printf(" %s %d %s %d\n",aname,a,bname,b);
1059
1060    x = 0;
1061
1062    for(j = 0; j < iters; j++)
1063    {
1064                 yaffs_lseek(a,0,SEEK_END);
1065
1066
1067                 for(i = 0; i <20000; i++)
1068                 {
1069                    //r =        yaffs_lseek(b,i,SEEK_SET);
1070                         //r = yaffs_write(b,bbuffer,1000);
1071
1072                         if(!(x%20))
1073                         {
1074                                 // shrink
1075                                 int syz = yaffs_lseek(a,0,SEEK_END);
1076
1077                                 while(syz > 4000)
1078                                 {
1079
1080                                         syz -= 2050;
1081                                         if(syz < 0) syz = 0;
1082                                         yaffs_truncate(a,syz);
1083                                         syz = yaffs_lseek(a,0,SEEK_END);
1084                                         printf("shrink to %d\n",syz);
1085                                 }
1086
1087
1088                         }
1089                         else
1090                         {
1091                                 //expand
1092                                 r = yaffs_lseek(a,500,SEEK_END);
1093                                 r = yaffs_write(a,abuffer,1000);
1094                         }
1095                         x++;
1096
1097
1098                 }
1099                 printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
1100
1101    }
1102
1103    return 0;
1104
1105 }
1106
1107 int resize_stress_test_no_grow(const char *path,int iters)
1108 {
1109    int a,b,i,j;
1110    int x;
1111    int r;
1112    char aname[100];
1113    char bname[100];
1114
1115    char abuffer[1000];
1116    char bbuffer[1000];
1117
1118    yaffs_StartUp();
1119
1120    yaffs_mount(path);
1121
1122    sprintf(aname,"%s%s",path,"/a");
1123    sprintf(bname,"%s%s",path,"/b");
1124
1125    memset(abuffer,'a',1000);
1126    memset(bbuffer,'b',1000);
1127
1128    a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1129    b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1130
1131    printf(" %s %d %s %d\n",aname,a,bname,b);
1132
1133    x = 0;
1134
1135    for(j = 0; j < iters; j++)
1136    {
1137                 yaffs_lseek(a,0,SEEK_END);
1138
1139
1140                 for(i = 0; i <20000; i++)
1141                 {
1142                    //r =        yaffs_lseek(b,i,SEEK_SET);
1143                         //r = yaffs_write(b,bbuffer,1000);
1144
1145                         if(!(x%20))
1146                         {
1147                                 // shrink
1148                                 int syz = yaffs_lseek(a,0,SEEK_END);
1149
1150                                 while(syz > 4000)
1151                                 {
1152
1153                                         syz -= 2050;
1154                                         if(syz < 0) syz = 0;
1155                                         yaffs_truncate(a,syz);
1156                                         syz = yaffs_lseek(a,0,SEEK_END);
1157                                         printf("shrink to %d\n",syz);
1158                                 }
1159
1160
1161                         }
1162                         else
1163                         {
1164                                 //expand
1165                                 r = yaffs_lseek(a,-500,SEEK_END);
1166                                 r = yaffs_write(a,abuffer,1000);
1167                         }
1168                         x++;
1169
1170
1171                 }
1172                 printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
1173
1174    }
1175
1176    return 0;
1177
1178 }
1179
1180 int directory_rename_test(void)
1181 {
1182         int r;
1183         yaffs_StartUp();
1184
1185         yaffs_mount("/ram");
1186         yaffs_mkdir("/ram/a",0);
1187         yaffs_mkdir("/ram/a/b",0);
1188         yaffs_mkdir("/ram/c",0);
1189
1190         printf("\nDirectory look-up of /ram\n");
1191         dumpDir("/ram");
1192         dumpDir("/ram/a");
1193         dumpDir("/ram/a/b");
1194
1195         printf("Do rename (should fail)\n");
1196
1197         r = yaffs_rename("/ram/a","/ram/a/b/d");
1198         printf("\nDirectory look-up of /ram\n");
1199         dumpDir("/ram");
1200         dumpDir("/ram/a");
1201         dumpDir("/ram/a/b");
1202
1203         printf("Do rename (should not fail)\n");
1204
1205         r = yaffs_rename("/ram/c","/ram/a/b/d");
1206         printf("\nDirectory look-up of /ram\n");
1207         dumpDir("/ram");
1208         dumpDir("/ram/a");
1209         dumpDir("/ram/a/b");
1210
1211
1212         return 1;
1213
1214 }
1215
1216 int cache_read_test(void)
1217 {
1218         int a,b,c;
1219         int i;
1220         int sizeOfFiles = 500000;
1221         char buffer[100];
1222
1223         yaffs_StartUp();
1224
1225         yaffs_mount("/boot");
1226
1227         make_a_file("/boot/a",'a',sizeOfFiles);
1228         make_a_file("/boot/b",'b',sizeOfFiles);
1229
1230         a = yaffs_open("/boot/a",O_RDONLY,0);
1231         b = yaffs_open("/boot/b",O_RDONLY,0);
1232         c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
1233
1234         do{
1235                 i = sizeOfFiles;
1236                 if (i > 100) i = 100;
1237                 sizeOfFiles  -= i;
1238                 yaffs_read(a,buffer,i);
1239                 yaffs_read(b,buffer,i);
1240                 yaffs_write(c,buffer,i);
1241         } while(sizeOfFiles > 0);
1242
1243
1244
1245         return 1;
1246
1247 }
1248
1249 int cache_bypass_bug_test(void)
1250 {
1251         // This test reporoduces a bug whereby YAFFS caching *was* buypassed
1252         // resulting in erroneous reads after writes.
1253         // This bug has been fixed.
1254
1255         int a;
1256         int i;
1257         char buffer1[1000];
1258         char buffer2[1000];
1259
1260         memset(buffer1,0,sizeof(buffer1));
1261         memset(buffer2,0,sizeof(buffer2));
1262
1263         yaffs_StartUp();
1264
1265         yaffs_mount("/boot");
1266
1267         // Create a file of 2000 bytes.
1268         make_a_file("/boot/a",'X',2000);
1269
1270         a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
1271
1272         // Write a short sequence to the file.
1273         // This will go into the cache.
1274         yaffs_lseek(a,0,SEEK_SET);
1275         yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
1276
1277         // Read a short sequence from the file.
1278         // This will come from the cache.
1279         yaffs_lseek(a,0,SEEK_SET);
1280         yaffs_read(a,buffer1,30);
1281
1282         // Read a page size sequence from the file.
1283         yaffs_lseek(a,0,SEEK_SET);
1284         yaffs_read(a,buffer2,512);
1285
1286         printf("buffer 1 %s\n",buffer1);
1287         printf("buffer 2 %s\n",buffer2);
1288
1289         if(strncmp(buffer1,buffer2,20))
1290         {
1291                 printf("Cache bypass bug detected!!!!!\n");
1292         }
1293
1294
1295         return 1;
1296 }
1297
1298
1299 int free_space_check(void)
1300 {
1301         int f;
1302
1303                 yaffs_StartUp();
1304                 yaffs_mount("/boot");
1305             fill_disk("/boot/",2);
1306             f = yaffs_freespace("/boot");
1307
1308             printf("%d free when disk full\n",f);
1309             return 1;
1310 }
1311
1312 int truncate_test(void)
1313 {
1314         int a;
1315         int r;
1316         int i;
1317         int l;
1318
1319         char y[10];
1320
1321         yaffs_StartUp();
1322         yaffs_mount("/boot");
1323
1324         yaffs_unlink("/boot/trunctest");
1325
1326         a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE);
1327
1328         yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
1329
1330         yaffs_truncate(a,3);
1331         l= yaffs_lseek(a,0,SEEK_END);
1332
1333         printf("truncated length is %d\n",l);
1334
1335         yaffs_lseek(a,5,SEEK_SET);
1336         yaffs_write(a,"1",1);
1337
1338         yaffs_lseek(a,0,SEEK_SET);
1339
1340         r = yaffs_read(a,y,10);
1341
1342         printf("read %d bytes:",r);
1343
1344         for(i = 0; i < r; i++) printf("[%02X]",y[i]);
1345
1346         printf("\n");
1347
1348         return 0;
1349
1350 }
1351
1352
1353
1354
1355
1356 void fill_disk_test(const char *mountpt)
1357 {
1358         int i;
1359         yaffs_StartUp();
1360
1361         for(i = 0; i < 5; i++)
1362         {
1363                 yaffs_mount(mountpt);
1364                 fill_disk_and_delete(mountpt,100,i+1);
1365                 yaffs_unmount(mountpt);
1366         }
1367
1368 }
1369
1370
1371
1372 void lookup_test(const char *mountpt)
1373 {
1374         int i;
1375         int h;
1376         char a[100];
1377         char b[100];
1378
1379
1380         yaffs_DIR *d;
1381         yaffs_dirent *de;
1382         struct yaffs_stat s;
1383         char str[100];
1384
1385         yaffs_StartUp();
1386
1387         yaffs_mount(mountpt);
1388
1389         d = yaffs_opendir(mountpt);
1390
1391         if(!d)
1392         {
1393                 printf("opendir failed\n");
1394         }
1395         else
1396         {
1397
1398                 for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1399                 {
1400                         printf("unlinking %s\n",de->d_name);
1401                         yaffs_unlink(de->d_name);
1402                 }
1403
1404                 printf("%d files deleted\n",i);
1405         }
1406
1407
1408         for(i = 0; i < 2000; i++){
1409         sprintf(a,"%s/%d",mountpt,i);
1410                 h =  yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
1411                 yaffs_close(h);
1412         }
1413
1414         yaffs_rewinddir(d);
1415         for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1416         {
1417                 printf("%d  %s\n",i,de->d_name);
1418         }
1419
1420         printf("%d files listed\n\n\n",i);
1421
1422         yaffs_rewinddir(d);
1423         yaffs_readdir(d);
1424         yaffs_readdir(d);
1425         yaffs_readdir(d);
1426
1427         for(i = 0; i < 2000; i++){
1428                 sprintf(a,"%s/%d",mountpt,i);
1429                 yaffs_unlink(a);
1430         }
1431
1432
1433         yaffs_unmount(mountpt);
1434
1435 }
1436
1437 void link_test(const char *mountpt)
1438 {
1439         int i;
1440         int h;
1441         char a[100];
1442         char b[100];
1443         char c[100];
1444
1445         int  f0;
1446         int f1;
1447         int f2;
1448         int f3;
1449         sprintf(a,"%s/aaa",mountpt);
1450         sprintf(b,"%s/bbb",mountpt);
1451         sprintf(c,"%s/ccc",mountpt);
1452
1453         yaffs_StartUp();
1454
1455         yaffs_mount(mountpt);
1456
1457
1458         h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1459         for(i = 0; i < 100; i++)
1460                 yaffs_write(h,a,100);
1461
1462         yaffs_close(h);
1463
1464         yaffs_unlink(b);
1465         yaffs_unlink(c);
1466         yaffs_link(a,b);
1467         yaffs_link(a,c);
1468         yaffs_unlink(b);
1469         yaffs_unlink(c);
1470         yaffs_unlink(a);
1471
1472
1473         yaffs_unmount(mountpt);
1474         yaffs_mount(mountpt);
1475
1476         printf("link test done\n");
1477
1478 }
1479
1480 void freespace_test(const char *mountpt)
1481 {
1482         int i;
1483         int h;
1484         char a[100];
1485         char b[100];
1486
1487         int  f0;
1488         int f1;
1489         int f2;
1490         int f3;
1491         sprintf(a,"%s/aaa",mountpt);
1492
1493         yaffs_StartUp();
1494
1495         yaffs_mount(mountpt);
1496
1497         f0 = yaffs_freespace(mountpt);
1498
1499         h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1500
1501         for(i = 0; i < 100; i++)
1502                 yaffs_write(h,a,100);
1503
1504         yaffs_close(h);
1505
1506         f1 = yaffs_freespace(mountpt);
1507
1508         yaffs_unlink(a);
1509
1510         f2 = yaffs_freespace(mountpt);
1511
1512
1513         yaffs_unmount(mountpt);
1514         yaffs_mount(mountpt);
1515
1516         f3 = yaffs_freespace(mountpt);
1517
1518         printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3);
1519
1520
1521 }
1522
1523 void simple_rw_test(const char *mountpt)
1524 {
1525         int i;
1526         int h;
1527         char a[100];
1528
1529         int x;
1530         int result;
1531
1532         sprintf(a,"%s/aaa",mountpt);
1533
1534         yaffs_StartUp();
1535
1536         yaffs_mount(mountpt);
1537
1538         yaffs_unlink(a);
1539
1540         h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1541
1542         for(i = 100000;i < 200000; i++){
1543                 result = yaffs_write(h,&i,sizeof(i));
1544
1545                 if(result != 4)
1546                 {
1547                         printf("write error\n");
1548                         exit(1);
1549                 }
1550         }
1551
1552         //yaffs_close(h);
1553
1554         // h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE);
1555
1556
1557         yaffs_lseek(h,0,SEEK_SET);
1558
1559         for(i = 100000; i < 200000; i++){
1560                 result = yaffs_read(h,&x,sizeof(x));
1561
1562                 if(result != 4 || x != i){
1563                         printf("read error %d %x %x\n",i,result,x);
1564                 }
1565         }
1566
1567         printf("Simple rw test passed\n");
1568
1569
1570
1571 }
1572
1573
1574 void scan_deleted_files_test(const char *mountpt)
1575 {
1576         char fn[100];
1577         char sub[100];
1578
1579         const char *p;
1580
1581         int i;
1582         int j;
1583         int k;
1584         int h;
1585
1586         sprintf(sub,"%s/sdir",mountpt);
1587         yaffs_StartUp();
1588
1589         for(j = 0; j < 10; j++)
1590         {
1591                 printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j);
1592                 yaffs_mount(mountpt);
1593                 yaffs_mkdir(sub,0);
1594
1595
1596                 p = (j & 0) ? mountpt: sub;
1597
1598                 for(i = 0; i < 100; i++)
1599                 {
1600                   sprintf(fn,"%s/%d",p,i);
1601
1602                   if(i & 1)
1603                   {
1604                           h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1605                           for(k = 0; k < 1000; k++)
1606                                   yaffs_write(h,fn,100);
1607                           yaffs_close(h);
1608                   }
1609                   else
1610                         yaffs_mkdir(fn,0);
1611                 }
1612
1613                 for(i = 0; i < 10; i++)
1614                 {
1615                   sprintf(fn,"%s/%d",p,i);
1616                   if(i & 1)
1617                         yaffs_unlink(fn);
1618                   else
1619                         yaffs_rmdir(fn);
1620
1621                 }
1622
1623                 yaffs_unmount(mountpt);
1624         }
1625
1626
1627
1628
1629 }
1630
1631
1632 void write_10k(int h)
1633 {
1634    int i;
1635    const char *s="0123456789";
1636    for(i = 0; i < 1000; i++)
1637      yaffs_write(h,s,10);
1638
1639 }
1640 void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
1641 {
1642    int h1;
1643    int i;
1644    int offs;
1645
1646    h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1647
1648    for(i = 0; i < 100000; i+= 10000)
1649    {
1650         write_10k(h1);
1651    }
1652
1653    offs = yaffs_lseek(h1,0,SEEK_CUR);
1654    if( offs != 100000)
1655    {
1656         printf("Could not write file\n");
1657    }
1658
1659    yaffs_unlink(fdel);
1660    for(i = 0; i < 100000; i+= 10000)
1661    {
1662         write_10k(h1);
1663    }
1664
1665    offs = yaffs_lseek(h1,0,SEEK_CUR);
1666    if( offs != 200000)
1667    {
1668         printf("Could not write file\n");
1669    }
1670
1671    yaffs_close(h1);
1672    yaffs_unlink(fdel1);
1673
1674 }
1675
1676
1677 void verify_200k_file(const char *fn)
1678 {
1679    int h1;
1680    int i;
1681    char x[11];
1682    const char *s="0123456789";
1683    int errCount = 0;
1684
1685    h1 = yaffs_open(fn, O_RDONLY, 0);
1686
1687    for(i = 0; i < 200000 && errCount < 10; i+= 10)
1688    {
1689         yaffs_read(h1,x,10);
1690         if(strncmp(x,s,10) != 0)
1691         {
1692                 printf("File %s verification failed at %d\n",fn,i);
1693                 errCount++;
1694         }
1695    }
1696    if(errCount >= 10)
1697         printf("Too many errors... aborted\n");
1698
1699    yaffs_close(h1);
1700
1701 }
1702
1703
1704 void check_resize_gc_bug(const char *mountpt)
1705 {
1706
1707         char a[30];
1708         char b[30];
1709         char c[30];
1710
1711         int i;
1712
1713         sprintf(a,"%s/a",mountpt);
1714         sprintf(b,"%s/b",mountpt);
1715         sprintf(c,"%s/c",mountpt);
1716
1717
1718
1719
1720         yaffs_StartUp();
1721         yaffs_mount(mountpt);
1722         yaffs_unlink(a);
1723         yaffs_unlink(b);
1724
1725         for(i = 0; i < 50; i++)
1726         {
1727            printf("A\n");write_200k_file(a,"",c);
1728            printf("B\n");verify_200k_file(a);
1729            printf("C\n");write_200k_file(b,a,c);
1730            printf("D\n");verify_200k_file(b);
1731            yaffs_unmount(mountpt);
1732            yaffs_mount(mountpt);
1733            printf("E\n");verify_200k_file(a);
1734            printf("F\n");verify_200k_file(b);
1735         }
1736
1737 }
1738
1739
1740 void multi_mount_test(const char *mountpt,int nmounts)
1741 {
1742
1743         char a[30];
1744         char b[30];
1745         char c[30];
1746
1747         int i;
1748         int j;
1749
1750         sprintf(a,"%s/a",mountpt);
1751
1752         yaffs_StartUp();
1753
1754         for(i = 0; i < nmounts; i++){
1755                 int h0;
1756                 int h1;
1757                 int len0;
1758                 int len1;
1759
1760                 static char xx[1000];
1761
1762                 printf("############### Iteration %d   Start\n",i);
1763                 if(1 || i == 0 || i == 5)
1764                         yaffs_mount(mountpt);
1765
1766                 dump_directory_tree(mountpt);
1767
1768
1769                 yaffs_mkdir(a,0);
1770
1771                 sprintf(xx,"%s/0",a);
1772                 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1773
1774                 sprintf(xx,"%s/1",a);
1775                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1776
1777                 for(j = 0; j < 200; j++){
1778                    yaffs_write(h0,xx,1000);
1779                    yaffs_write(h1,xx,1000);
1780                 }
1781
1782                 len0 = yaffs_lseek(h0,0,SEEK_END);
1783                 len1 = yaffs_lseek(h1,0,SEEK_END);
1784
1785                 yaffs_lseek(h0,0,SEEK_SET);
1786                 yaffs_lseek(h1,0,SEEK_SET);
1787
1788                 for(j = 0; j < 200; j++){
1789                    yaffs_read(h0,xx,1000);
1790                    yaffs_read(h1,xx,1000);
1791                 }
1792
1793
1794                 yaffs_truncate(h0,0);
1795                 yaffs_close(h0);
1796                 yaffs_close(h1);
1797
1798                 printf("########### %d\n",i);
1799                 dump_directory_tree(mountpt);
1800
1801                 if(1 || i == 4 || i == nmounts -1)
1802                         yaffs_unmount(mountpt);
1803         }
1804 }
1805
1806
1807 void small_mount_test(const char *mountpt,int nmounts)
1808 {
1809
1810         char a[30];
1811         char b[30];
1812         char c[30];
1813
1814         int i;
1815         int j;
1816
1817         int h0;
1818         int h1;
1819         int len0;
1820         int len1;
1821         int nread;
1822
1823         sprintf(a,"%s/a",mountpt);
1824
1825         yaffs_StartUp();
1826
1827
1828
1829         for(i = 0; i < nmounts; i++){
1830
1831                 static char xx[1000];
1832
1833                 printf("############### Iteration %d   Start\n",i);
1834                 if(1 || i == 0 || i == 5)
1835                         yaffs_mount(mountpt);
1836
1837                 dump_directory_tree(mountpt);
1838
1839                 yaffs_mkdir(a,0);
1840
1841                 sprintf(xx,"%s/0",a);
1842                 if(i ==0){
1843
1844                         h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1845                         for(j = 0; j < 130; j++)
1846                                 yaffs_write(h0,xx,1000);
1847                         yaffs_close(h0);
1848                 }
1849
1850                 h0 = yaffs_open(xx,O_RDONLY,0);
1851
1852                 sprintf(xx,"%s/1",a);
1853                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1854
1855                 while((nread = yaffs_read(h0,xx,1000)) > 0)
1856                         yaffs_write(h1,xx,nread);
1857
1858
1859                 len0 = yaffs_lseek(h0,0,SEEK_END);
1860                 len1 = yaffs_lseek(h1,0,SEEK_END);
1861
1862                 yaffs_lseek(h0,0,SEEK_SET);
1863                 yaffs_lseek(h1,0,SEEK_SET);
1864
1865                 for(j = 0; j < 200; j++){
1866                    yaffs_read(h0,xx,1000);
1867                    yaffs_read(h1,xx,1000);
1868                 }
1869
1870                 yaffs_close(h0);
1871                 yaffs_close(h1);
1872
1873                 printf("########### %d\n",i);
1874                 dump_directory_tree(mountpt);
1875
1876                 if(1 || i == 4 || i == nmounts -1)
1877                         yaffs_unmount(mountpt);
1878         }
1879 }
1880
1881
1882 int early_exit;
1883
1884 void small_overwrite_test(const char *mountpt,int nmounts)
1885 {
1886
1887         char a[30];
1888         char b[30];
1889         char c[30];
1890
1891         int i;
1892         int j;
1893
1894         int h0;
1895         int h1;
1896         int len0;
1897         int len1;
1898         int nread;
1899
1900         sprintf(a,"%s/a",mountpt);
1901
1902         yaffs_StartUp();
1903
1904
1905
1906         for(i = 0; i < nmounts; i++){
1907
1908                 static char xx[8000];
1909
1910                 printf("############### Iteration %d   Start\n",i);
1911                 if(1)
1912                         yaffs_mount(mountpt);
1913
1914                 dump_directory_tree(mountpt);
1915
1916                 yaffs_mkdir(a,0);
1917
1918                 sprintf(xx,"%s/0",a);
1919                 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1920                 sprintf(xx,"%s/1",a);
1921                 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1922
1923                 for(j = 0; j < 1000000; j+=1000){
1924                         yaffs_truncate(h0,j);
1925                         yaffs_lseek(h0,j,SEEK_SET);
1926                         yaffs_write(h0,xx,7000);
1927                         yaffs_write(h1,xx,7000);
1928
1929                         if(early_exit)
1930                                 exit(0);
1931                 }
1932
1933                 yaffs_close(h0);
1934
1935                 printf("########### %d\n",i);
1936                 dump_directory_tree(mountpt);
1937
1938                 if(1)
1939                         yaffs_unmount(mountpt);
1940         }
1941 }
1942
1943
1944 void yaffs_touch(const char *fn)
1945 {
1946         yaffs_chmod(fn, S_IREAD | S_IWRITE);
1947 }
1948
1949 void checkpoint_fill_test(const char *mountpt,int nmounts)
1950 {
1951
1952         char a[50];
1953         char b[50];
1954         char c[50];
1955
1956         int i;
1957         int j;
1958         int h;
1959
1960         sprintf(a,"%s/a",mountpt);
1961
1962
1963
1964
1965         yaffs_StartUp();
1966
1967         for(i = 0; i < nmounts; i++){
1968                 printf("############### Iteration %d   Start\n",i);
1969                 yaffs_mount(mountpt);
1970                 dump_directory_tree(mountpt);
1971                 yaffs_mkdir(a,0);
1972
1973                 sprintf(b,"%s/zz",a);
1974
1975                 h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE);
1976
1977
1978                 while(yaffs_write(h,c,50) == 50){}
1979
1980                 yaffs_close(h);
1981
1982                 for(j = 0; j < 2; j++){
1983                         printf("touch %d\n",j);
1984                         yaffs_touch(b);
1985                         yaffs_unmount(mountpt);
1986                         yaffs_mount(mountpt);
1987                 }
1988
1989                 dump_directory_tree(mountpt);
1990                 yaffs_unmount(mountpt);
1991         }
1992 }
1993
1994
1995 int make_file2(const char *name1, const char *name2,int syz)
1996 {
1997
1998         char xx[2500];
1999         int i;
2000         int h1=-1,h2=-1;
2001         int n = 1;
2002
2003
2004         if(name1)
2005                 h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2006         if(name2)
2007                 h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2008
2009         while(syz > 0 && n > 0){
2010                 i = (syz > 2500) ? 2500 : syz;
2011                 n = yaffs_write(h1,xx,i);
2012                 n = yaffs_write(h2,xx,i);
2013                 syz -= 500;
2014         }
2015         yaffs_close(h1);
2016         yaffs_close(h2);
2017
2018 }
2019
2020
2021 extern void SetCheckpointReservedBlocks(int n);
2022
2023 void checkpoint_upgrade_test(const char *mountpt,int nmounts)
2024 {
2025
2026         char a[50];
2027         char b[50];
2028         char c[50];
2029         char d[50];
2030
2031         int i;
2032         int j;
2033         int h;
2034
2035         sprintf(a,"%s/a",mountpt);
2036
2037
2038
2039
2040         printf("Create start condition\n");
2041         yaffs_StartUp();
2042         SetCheckpointReservedBlocks(0);
2043         yaffs_mount(mountpt);
2044         yaffs_mkdir(a,0);
2045         sprintf(b,"%s/zz",a);
2046         sprintf(c,"%s/xx",a);
2047         make_file2(b,c,2000000);
2048         sprintf(d,"%s/aa",a);
2049         make_file2(d,NULL,500000000);
2050         dump_directory_tree(mountpt);
2051
2052         printf("Umount/mount attempt full\n");
2053         yaffs_unmount(mountpt);
2054
2055         SetCheckpointReservedBlocks(10);
2056         yaffs_mount(mountpt);
2057
2058         printf("unlink small file\n");
2059         yaffs_unlink(c);
2060         dump_directory_tree(mountpt);
2061
2062         printf("Umount/mount attempt\n");
2063         yaffs_unmount(mountpt);
2064         yaffs_mount(mountpt);
2065
2066         for(j = 0; j < 500; j++){
2067                 printf("***** touch %d\n",j);
2068                 dump_directory_tree(mountpt);
2069                 yaffs_touch(b);
2070                 yaffs_unmount(mountpt);
2071                 yaffs_mount(mountpt);
2072         }
2073
2074         for(j = 0; j < 500; j++){
2075                 printf("***** touch %d\n",j);
2076                 dump_directory_tree(mountpt);
2077                 yaffs_touch(b);
2078                 yaffs_unmount(mountpt);
2079                 yaffs_mount(mountpt);
2080         }
2081 }
2082
2083 void huge_array_test(const char *mountpt,int n)
2084 {
2085
2086         char a[50];
2087
2088
2089         int i;
2090         int j;
2091         int h;
2092
2093         int fnum;
2094
2095         sprintf(a,"mount point %s",mountpt);
2096
2097
2098
2099         yaffs_StartUp();
2100
2101         yaffs_mount(mountpt);
2102
2103         while(n>0){
2104                 n--;
2105                 fnum = 0;
2106                 printf("\n\n START run\n\n");
2107                 while(yaffs_freespace(mountpt) > 25000000){
2108                         sprintf(a,"%s/file%d",mountpt,fnum);
2109                         fnum++;
2110                         printf("create file %s\n",a);
2111                         create_file_of_size(a,10000000);
2112                         printf("verifying file %s\n",a);
2113                         verify_file_of_size(a,10000000);
2114                 }
2115
2116                 printf("\n\n verification/deletion\n\n");
2117
2118                 for(i = 0; i < fnum; i++){
2119                         sprintf(a,"%s/file%d",mountpt,i);
2120                         printf("verifying file %s\n",a);
2121                         verify_file_of_size(a,10000000);
2122                         printf("deleting file %s\n",a);
2123                         yaffs_unlink(a);
2124                 }
2125                 printf("\n\n done \n\n");
2126
2127
2128         }
2129 }
2130
2131
2132
2133 int main(int argc, char *argv[])
2134 {
2135         //return long_test(argc,argv);
2136
2137         //return cache_read_test();
2138
2139         //resize_stress_test_no_grow("/flash",20);
2140
2141         //huge_directory_test_on_path("/ram2k");
2142
2143          //yaffs_backward_scan_test("/flash/flash");
2144         // yaffs_device_flush_test("/flash/flash");
2145
2146
2147          //scan_pattern_test("/flash",10000,10);
2148         //short_scan_test("/flash/flash",40000,200);
2149           //small_mount_test("/flash/flash",1000);
2150           small_overwrite_test("/flash/flash",1000);
2151          //checkpoint_fill_test("/flash/flash",20);
2152          //checkpoint_upgrade_test("/flash/flash",20);
2153          // huge_array_test("/flash/flash",10);
2154
2155
2156
2157
2158         //long_test_on_path("/ram2k");
2159         // long_test_on_path("/flash");
2160         //simple_rw_test("/flash/flash");
2161         //fill_disk_test("/flash/flash");
2162         // rename_over_test("/flash");
2163         //lookup_test("/flash");
2164         //freespace_test("/flash/flash");
2165
2166         //link_test("/flash/flash");
2167
2168
2169
2170
2171         // cache_bypass_bug_test();
2172
2173          //free_space_check();
2174
2175          //check_resize_gc_bug("/flash");
2176
2177          return 0;
2178
2179 }