Flood of errors when include .h

using g++ on Solaris9

gcc version 2.95.3 20010315 (release)

trying to include a header file, this is actually the header file for OTL version 4, and then I get a flood of error messages from including the header. I stripped the C++ program so it is just a bare bones main with a print and return. The program compiles fine without the header file, but as soon as the header file the following are some of the errors I get :

/usr/include/otlv4.h:6357: invalid use of `this' in non-member function
/usr/include/otlv4.h:6358: invalid use of `this' in non-member function
/usr/include/otlv4.h:6359: invalid use of `this' in non-member function
/usr/include/otlv4.h:6360: invalid use of `this' in non-member function
/usr/include/otlv4.h:6362: invalid use of `this' in non-member function
/usr/include/otlv4.h:6363: invalid use of `this' in non-member function
/usr/include/otlv4.h:6364: template argument 1 is invalid
/usr/include/otlv4.h:6364: template argument 2 is invalid
/usr/include/otlv4.h:6364: template argument 3 is invalid
/usr/include/otlv4.h:6364: template argument 4 is invalid
/usr/include/otlv4.h:6364: invalid use of `this' in non-member function
/usr/include/otlv4.h:6368: invalid use of `this' in non-member function
/usr/include/otlv4.h:6370: no matching function for call to `check_buf ()'
/usr/include/otlv4.h:6374: invalid use of `this' in non-member function
/usr/include/otlv4.h:6375: invalid use of `this' in non-member function
/usr/include/otlv4.h:6378: invalid use of `this' in non-member function
/usr/include/otlv4.h:6378: invalid use of `this' in non-member function
/usr/include/otlv4.h:6379: invalid use of `this' in non-member function
/usr/include/otlv4.h:6379: invalid use of `this' in non-member function
/usr/include/otlv4.h:6379: invalid use of `this' in non-member function
/usr/include/otlv4.h:6387: template argument 1 is invalid
/usr/include/otlv4.h:6387: template argument 2 is invalid
/usr/include/otlv4.h:6387: template argument 3 is invalid
/usr/include/otlv4.h:6389: invalid use of `this' in non-member function
/usr/include/otlv4.h:6392: invalid use of `this' in non-member function
/usr/include/otlv4.h: At top level:
/usr/include/otlv4.h:6397: parse error before `}'
/usr/include/otlv4.h:6404: template with C linkage
/usr/include/otlv4.h:6727: syntax error before `&'
/usr/include/otlv4.h:6732: ANSI C++ forbids initialization of member `null_fetch
ed'
/usr/include/otlv4.h:6732: making `null_fetched' static
/usr/include/otlv4.h:6732: ANSI C++ forbids in-class initialization of non-const
static member `null_fetched'
/usr/include/otlv4.h:6732: declaration of `int otl_tmpl_inout_stream<TExceptionS
truct,TConnectStruct,TCursorStruct,TVariableStruct ,TTimestampStruct>::null_fetch
ed'
/usr/include/otlv4.h:6415: conflicts with previous declaration `int otl_tmpl_ino
ut_stream<TExceptionStruct,TConnectStruct,TCursorS truct,TVariableStruct,TTimesta
mpStruct>::null_fetched'
/usr/include/otlv4.h: In method `otl_tmpl_inout_stream<TExceptionStruct,TConnect
Struct,TCursorStruct,TVariableStruct,TTimestampStr uct>::otl_tmpl_inout_stream(sh
ort int, const char *, otl_tmpl_connect<TExceptionStruct,TConnectStruct,T CursorS
truct> &, bool = false)':
/usr/include/otlv4.h:6439: non-template type `otl_tmpl_out_stream' used as a tem
plate
/usr/include/otlv4.h:6439: confused by earlier errors, bailing out


Any suggestions would be greatly appreciated.

Here is code for the program that genereated the above errors :

Code:

---


#include <iostream.h>
#include <stdio.h>
 
//
#define OTL_ORA8 // Compile OTL 4.0/OCI8
//
#include <otlv4.h> // include the OTL 4.0 header file
 
//otl_connect db;  // connect object
 
 
int main ()
{
  cout << "Hello World!\n";
  return 0;
}

---

"this" is a c++ feature.

You said you were compiling this a stright c, maybe you need to be compiling as c++?

yeah, cout is an instance of a class and << is an overloaded left The code in iostream.h is c++ not c. That's why you get the errors.

Maybe there's a misunderstanding, but
g++ compiles both C and C++ code.

If I remove the #include <otlv4.h> and
#define OTL_ORA8 from the above code, it compiles fine.

There is nothing wrong with having
<iostream.h> and cout << in the code.

As an example, the following code compiles :

Code:

---

#include <iostream.h>
#include <stdio.h>
 
 
 
int main ()
{
  cout << "Hello World!\n";
  return 0;
}

---

Quote:

---

Originally posted by erik2004
Maybe there's a misunderstanding, but
g++ compiles both C and C++ code.

If I remove the #include <otlv4.h> and
#define OTL_ORA8 from the above code, it compiles fine.

There is nothing wrong with having
<iostream.h> and cout << in the code.

As an example, the following code compiles :

Code:

---

#include <iostream.h>
#include <stdio.h>
 
 
 
int main ()
{
  cout << "Hello World!\n";
  return 0;
}

---

---

well why use it then if it doesn't work???
anywayz why did you place it there in the first place??

erik2004, could you post otlv4.h. I could better help you if I could see the contents of that header.

Okay, I was just doing some searching online and it looks like you may need to also do this:

Code:

---

#define OTL_ORA8_PROC

---

After you define OTL_ORA8.

I'm trying to find the problem that's causing the error.

I want to use the code because there's a lot of features offered in the header file <otlv4.h>

The code compiles fine without the header, but as soon as I include the header file <otlv4.h>, the code generates the errors posted in the first post.

Supposedly, it is possible to compile code with the header. I'd like to find out why I can't.

I am looking to see if anyone can spot the problem or has run across a similar situation where they know what the fix might be or even if they might have some bits of information that might help solve the problem. I looking to tap into the collective programming knowledge of the world to try to solve a problem.

Just post the header file. I don't have that file, so I can't say what needs to be done to get it to compile.

otlv4.h is about ~400k.

Let me find out how to transfer or post the code so you can look at it.

I've attached a .zip file to this post.

That header is one big bastard. Not to fret though, it looks like you need to uncomment line 43.

I uncommented line 43 as well as other lines and still have the same error messages.

I'm at a loss here. I'm not seeing any problems. If you want I can try to compile it. I will get errors too but if it compiles correctly I should only get "undefined reference" errors rather than syntax errors. But I don't have many of the all the headers this file uses... The best solution would be for you to make sure that your oci.h function is accurate and up to date. As much as I usually flame people who post questions more than once I would re-post this question with a title that makes mension of the header so that someone who is has done this before may help you. I'm not even running the same OS :(

Okay. Thanks very much for all your help and suggestions!!! :)