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Bugs in gprolog.h (GNU Prolog 1.3.0)

From: Roberto Bagnara
Subject: Bugs in gprolog.h (GNU Prolog 1.3.0)
Date: Sun, 31 Aug 2008 10:43:35 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050929 Thunderbird/1.0.7 Fedora/1.0.7-1.1.fc4 Mnenhy/

The bug in the header file gprolog.h already reported in 2002
is still there.  That is, the version installed by GNU Prolog
1.3.0 contains the following variable declarations
at lines 1947, 1948 and 2096, respectively:

int last_read_line;
int last_read_col;
unsigned *byte_code;

Header files should never contain such things in order to
avoid the obvious link-time errors.
All the best,


Prof. Roberto Bagnara
Computer Science Group
Department of Mathematics, University of Parma, Italy

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