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Newsgroups: comp.lang.ada
Subject: Re: STORAGE_ERROR in adainit
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From: Ludovic Brenta <ludovic.brenta@insalien.org>
Date: Thu, 12 Aug 2004 21:42:46 +0200
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Date: 2004-08-12T21:43:02+02:00
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James Alan Farrell writes:
> From: James Alan Farrell Subject: Re: STORAGE_ERROR in adainit
> Newsgroups: comp.lang.ada
> Date: Thu, 12 Aug 2004 15:28:05 -0400
>
> I think I've found the problem:
>
> There was a function in a C library called program_error.  I changed
> the name to a_program_error and the storage_error went away.  I
> suspect that somewhere hidden in the ada library is a variable called
> program error.
>
> Wonder if there are any other names I should avoid using in C
> libraries?

Since this seems to be the problem, here are the names used by GNAT:

(from a-init.c)

/* Addresses of exception data blocks for predefined exceptions. */
extern struct Exception_Data constraint_error;
extern struct Exception_Data numeric_error;
extern struct Exception_Data program_error;
extern struct Exception_Data storage_error;
extern struct Exception_Data tasking_error;
extern struct Exception_Data _abort_signal;

(from s-stalib.ads)

pragma Export (C, Constraint_Error_Def, "constraint_error");
pragma Export (C, Numeric_Error_Def,    "numeric_error");
pragma Export (C, Program_Error_Def,    "program_error");
pragma Export (C, Storage_Error_Def,    "storage_error");
pragma Export (C, Tasking_Error_Def,    "tasking_error");
pragma Export (C, Abort_Signal_Def,     "_abort_signal");

BTW, these are not functions but records.

Also, you will need to look for places where the C version if
program_error was called, and change the name at every call site.

HTH

> (This was on my cut down program.  When I go back to the full program
> I suspect there will be other issues to hunt down.  But at least I now
> have some idea of what I'm looking for and how to find it!)
>
> Thanks to everyone who sent suggestions!
> James

-- 
Ludovic Brenta.