close(inh);
}
+void make_a_file(char *yaffsName,char bval,int sizeOfFile)
+{
+ int outh;
+ int i;
+ unsigned char buffer[100];
+
+ outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ memset(buffer,bval,100);
+
+ do{
+ i = sizeOfFile;
+ if(i > 100) i = 100;
+ sizeOfFile -= i;
+
+ yaffs_write(outh,buffer,i);
+
+ } while (sizeOfFile > 0);
+
+
+ yaffs_close(outh);
+
+}
int h;
int n;
int result;
+ int f;
char str[50];
while ((result = yaffs_write(h,xx,600)) == 600)
{
- //printf(".");
+ f = yaffs_freespace("/boot");
}
result = yaffs_close(h);
printf(" close %d\n",result);
}
-int main(int argc, char *argv[])
+int long_test(int argc, char *argv[])
{
int f;
yaffs_mount("/boot");
yaffs_mount("/data");
yaffs_mount("/flash");
+ yaffs_mount("/ram");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /flash\n");
dumpDir("/flash");
- leave_unlinked_file("/flash",20000,0);
- leave_unlinked_file("/data",20000,0);
+ //leave_unlinked_file("/flash",20000,0);
+ //leave_unlinked_file("/data",20000,0);
+
+ leave_unlinked_file("/ram",20,0);
+
f = yaffs_open("/boot/b1", O_RDONLY,0);
printf("open /boot/b1 readonly, f=%d\n",f);
- f = yaffs_open("/boot/b1", O_CREAT,0);
+ f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
printf("open /boot/b1 O_CREAT, f=%d\n",f);
r = yaffs_write(f,"world",3);
printf("write %d attempted to write to a writeable file\n",r);
- r= yaffs_lseek(f,SEEK_END,0);
+ r= yaffs_lseek(f,0,SEEK_END);
printf("seek end %d\n",r);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
printf("read %d \"%s\"\n",r,buffer);
- r= yaffs_lseek(f,SEEK_SET,0);
+ r= yaffs_lseek(f,0,SEEK_SET);
printf("seek set %d\n",r);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
printf("read %d \"%s\"\n",r,buffer);
-
+
+ // Check values reading at end.
+ // A read past end of file should return 0 for 0 bytes read.
+
+ r= yaffs_lseek(f,0,SEEK_END);
+ r = yaffs_read(f,buffer,10);
+ printf("read at end returned %d\n",r);
+ r= yaffs_lseek(f,500,SEEK_END);
+ r = yaffs_read(f,buffer,10);
+ printf("read past end returned %d\n",r);
r = yaffs_close(f);
return 0;
}
+
+
+
+int directory_rename_test(void)
+{
+ int r;
+ yaffs_StartUp();
+
+ yaffs_mount("/ram");
+ yaffs_mkdir("/ram/a",0);
+ yaffs_mkdir("/ram/a/b",0);
+ yaffs_mkdir("/ram/c",0);
+
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+ printf("Do rename (should fail)\n");
+
+ r = yaffs_rename("/ram/a","/ram/a/b/d");
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+ printf("Do rename (should not fail)\n");
+
+ r = yaffs_rename("/ram/c","/ram/a/b/d");
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+
+ return 1;
+
+}
+
+int cache_read_test(void)
+{
+ int a,b,c;
+ int i;
+ int sizeOfFiles = 500000;
+ char buffer[100];
+
+ yaffs_StartUp();
+
+ yaffs_mount("/boot");
+
+ make_a_file("/boot/a",'a',sizeOfFiles);
+ make_a_file("/boot/b",'b',sizeOfFiles);
+
+ a = yaffs_open("/boot/a",O_RDONLY,0);
+ b = yaffs_open("/boot/b",O_RDONLY,0);
+ c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ do{
+ i = sizeOfFiles;
+ if (i > 100) i = 100;
+ sizeOfFiles -= i;
+ yaffs_read(a,buffer,i);
+ yaffs_read(b,buffer,i);
+ yaffs_write(c,buffer,i);
+ } while(sizeOfFiles > 0);
+
+
+
+ return 1;
+
+}
+
+int cache_bypass_bug_test(void)
+{
+ // This test reporoduces a bug whereby YAFFS caching is buypassed
+ // resulting in erroneous reads after writes.
+ int a;
+ int i;
+ char buffer1[1000];
+ char buffer2[1000];
+
+ memset(buffer1,0,sizeof(buffer1));
+ memset(buffer2,0,sizeof(buffer2));
+
+ yaffs_StartUp();
+
+ yaffs_mount("/boot");
+
+ // Create a file of 2000 bytes.
+ make_a_file("/boot/a",'X',2000);
+
+ a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
+
+ // Write a short sequence to the file.
+ // This will go into the cache.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
+
+ // Read a short sequence from the file.
+ // This will come from the cache.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_read(a,buffer1,30);
+
+ // Read a page size sequence from the file.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_read(a,buffer2,512);
+
+ printf("buffer 1 %s\n",buffer1);
+ printf("buffer 2 %s\n",buffer2);
+
+ if(strncmp(buffer1,buffer2,20))
+ {
+ printf("Cache bypass bug detected!!!!!\n");
+ }
+
+
+ return 1;
+}
+
+
+int free_space_check(void)
+{
+ int f;
+
+ yaffs_StartUp();
+ yaffs_mount("/boot");
+ fill_disk("/boot/",2);
+ f = yaffs_freespace("/boot");
+
+ printf("%d free when disk full\n",f);
+ return 1;
+}
+
+
+int main(int argc, char *argv[])
+{
+ //return long_test(argc,argv);
+
+ //return cache_read_test();
+
+ //return cache_bypass_bug_test();
+
+ return free_space_check();
+
+}