def MatchFirst(self, lib, ctx):
pat_ptr = ctx.cpu.r_reg(REG_D1)
pat = ctx.mem.access.r_cstr(pat_ptr)
anchor_ptr = ctx.cpu.r_reg(REG_D2)
anchor = AccessStruct(self.ctx.mem,
AnchorPathDef,
struct_addr=anchor_ptr)
# create MatchFirstNext instance
mfn = MatchFirstNext(self.path_mgr, self.lock_mgr, pat, anchor)
log_dos.info("MatchFirst: pat='%s' anchor=%06x strlen=%d flags=%02x-> ok=%s" \
% (pat, anchor_ptr, mfn.str_len, mfn.flags, mfn.ok))
if not mfn.ok:
self.io_err = ERROR_BAD_TEMPLATE
return self.io_err
log_dos.debug("MatchFirst: %s" % mfn.matcher)
# no entry found
if mfn.path == None:
log_dos.info("MatchFirst: none found!")
self.matches[anchor_ptr] = None
self.io_err = ERROR_OBJECT_NOT_FOUND
# first match
else:
self.io_err = mfn.first(ctx)
log_dos.info(
"MatchFirst: found path='%s' -> dir path=%s -> parent lock %s, io_err=%d",
mfn.path, mfn.voldir_path, mfn.dir_lock, self.io_err)
self.matches[anchor_ptr] = mfn
return self.io_err
