I haven't seen that before. Can you set a breakpoint in malloc_error_break
like the error suggests and get a stack trace?
On Sun, Jun 7, 2009 at 4:23 AM, kgs <kgo...@gmail.com> wrote:
>
> Hi,
>
> I encountered a strange problem using protocol buffers on Mac OSX
> (Leopard).
>
> My configuration is:
> - libprotoc 2.1.0 (from macports)
> - gcc (GCC) 4.3.2
>
> 0. I wrote simple proto file (from examples on site):
>
> == Person.proto ==
> message Person {
> required int32 id = 1;
> required string name = 2;
> optional string email = 3;
> }
> ====
>
> 1. Next, I wrote simple test:
>
> == test.cc ==
> #include <iostream>
> #include <string>
>
> #include "Person.pb.h"
>
> int main() {
> GOOGLE_PROTOBUF_VERIFY_VERSION;
>
> Person person;
> person.set_id(123);
> person.set_name("Bob");
> person.set_email("b...@example.com");
>
> std::string s;
> person.SerializeToString(&s);
>
> Person tmp_person;
> tmp_person.ParseFromString(s);
>
> std::cout << tmp_person.id() << std::endl
> << tmp_person.name() << std::endl
> << tmp_person.email() << std::endl;
>
> google::protobuf::ShutdownProtobufLibrary();
> }
> =====
>
> 3. Compilation:
>
> g++ Person.pb.cc test.cc -lprotobuf -L/opt/local/lib -o test
>
> 4. When I run this program, I get strange results:
>
> ====
> test(1456) malloc: *** error for object 0x36a674: Non-aligned pointer
> being freed
> *** set a breakpoint in malloc_error_break to debug
> test(1456) malloc: *** error for object 0x36a674: Non-aligned pointer
> being freed
> *** set a breakpoint in malloc_error_break to debug
> test(1456) malloc: *** error for object 0x36a674: Non-aligned pointer
> being freed
> *** set a breakpoint in malloc_error_break to debug
> 123
> Bob
> b...@example.com
> ====
>
> Running GDB (and looking at backtrace) shows me that there are some
> problems with SerializeToString and ParseFromString (2 of 3 errors
> above are from second function).
>
> It seems that on linux there is no such a problem.
> Am I doing something wrong or there is a bug in library?
>
> Cheers,
> Kamil
> >
>
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