+def yaffs_mkfile(fname,fsize):
+ fd = yaffs_open(fname,66, 0666)
+ if fd >= 0:
+ b = create_string_buffer("",1024)
+ totalwrite=0
+ while fsize > 0:
+ thiswrite = 1024 if fsize > 1024 else fsize
+ result = yaffs_write(fd,b,thiswrite)
+ totalwrite += result
+ fsize -= result
+ if result != thiswrite:
+ fsize= 0
+
+ return totalwrite
+ else :
+ return -1