>> >> > Hi again - >> > >> > another question; what is the best way to "fail" a constructor call? >> For >> > example, I have a constructor "timage.loadimage()", and I want it to >> > return >> > "nil" if it encounters a problem (e.g. the file name doesn't exist). >> My >> >> Use fail :-) > > But, when I use fail in my simple example program, it returns NIL okay but > the Heaptrace function tells me I have two unfreed memory blocks (36 > bytes). > I can't see a memory leak anywhere else in that program, what could cause > this? (Heaptrace output is as follows: I am using FPC 1.0.6 btw) > > Heap dump by heaptrc unit > 13 memory blocks allocated : 224/248 > 11 memory blocks freed : 188/208 > 2 unfreed memory blocks : 36 > True heap size : 20000000 (64 used in System startup) > True free heap : 19999792 > Should be : 19999800 > Call trace for block 0x0040AEA4 size 24 > 0x004051AF > 0x00401ECC MYTESTCLASS__CREATE, line 13 of > e:/projects/tests/classtst.pp > 0x00401DC6 main, line 26 of e:/projects/tests/classtst.pp > 0x00401059 > Call trace for block 0x0040AEF4 size 12 > 0x00405176 > 0x00401ECC MYTESTCLASS__CREATE, line 13 of > e:/projects/tests/classtst.pp > 0x00401DC6 main, line 26 of e:/projects/tests/classtst.pp > 0x00401059
That is the exception frame that is left on the heap. I don't have the time to analyze what the cause is that the exception frame is not removed. _______________________________________________ fpc-pascal maillist - [EMAIL PROTECTED] http://lists.freepascal.org/mailman/listinfo/fpc-pascal
