+
+void size_utime_test(const char *mountpt)
+{
+ char name[100];
+ int h;
+ int result;
+ struct yaffs_utimbuf utb;
+ struct yaffs_stat st;
+
+ //setup
+ yaffs_start_up();
+
+ yaffs_mount(mountpt);
+
+ strcpy(name,mountpt);
+ strcat(name,"/");
+ strcat(name,"xfile");
+
+ yaffs_unlink(name);
+
+ printf("created\n");
+ h = yaffs_open(name,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+
+ yaffs_fstat(h,&st);
+ printf(" times before %llu %llu %llu\n",
+ ( u64) st.yst_atime, ( u64) st.yst_ctime, ( u64) st.yst_mtime);
+
+ //first lets get the yaffs_object.
+
+ //then check that yaffs_stat also works.
+ //yaffs_stat already uses 64 bits for both wince and unix times.
+ //To see if we are using 32 or 64 bit time, save a large number into the time and
+ //see if it overflows.
+ long bitsInTime = 8*sizeof(st.yst_ctime);
+ printf("the times are %ld bits long\n", bitsInTime);
+
+ //two testcases
+ if (bitsInTime == 64) {
+ //no need to test the overflow. Just check that it can be retrieved intact.
+
+ //use u64 variables in case utb truncates the values to 32 bit time by accident.
+ u64 start = 0xfffff;
+ u64 end = 0xffffff;
+
+ utb.actime = start;
+ utb.modtime = end;
+
+ result = yaffs_futime(h,&utb);
+ yaffs_fstat(h,&st);
+ if (st.yst_atime == start && st.yst_mtime == end) {
+ printf("successfully stored and retrevied a 64 bit number for atime and modtime\n");
+ } else {
+ printf("failed to store and retrieve a 64 bit number for atime and modtime\n");
+
+ }
+ } else {
+ //it is a 32 bit number. Check to see that it overflowed.
+
+ }
+
+
+ //here are the last access and modification times.
+ utb.actime = 1000;
+ utb.modtime = 2000;
+
+ //futime sets the last modification and access time of the file
+ result = yaffs_futime(h,&utb);
+ printf("setting times using the futime function to a 1000 m 2000 result %d\n",result);
+
+ //read the times from the file header
+ yaffs_fstat(h,&st);
+ printf(" times %llu %llu %llu\n",
+ ( u64) st.yst_atime, ( u64) st.yst_ctime, ( u64) st.yst_mtime);
+
+
+ utb.actime = 5000;
+ utb.modtime = 8000;
+ result = yaffs_utime(name, &utb);
+ printf("utime to a 5000 m 8000 result %d\n",result);
+ yaffs_fstat(h,&st);
+ printf(" times %llu %llu %llu\n",
+ ( u64) st.yst_atime, ( u64) st.yst_ctime, ( u64) st.yst_mtime);
+
+ result = yaffs_utime(name, NULL);
+ printf("utime to NULL result %d\n",result);
+ yaffs_fstat(h,&st);
+ printf(" times %llu %llu %llu\n",
+ ( u64) st.yst_atime, ( u64) st.yst_ctime, ( u64) st.yst_mtime);
+
+
+}
+
+