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Date: Sun, 26 Mar 2023 01:10:07 +0100
From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
To: djgpp AT delorie DOT com
Subject: Signess issues in dxe3gen.c inhibits the compilation of the
 repository code.
Message-ID: <20230326011007.03df3795@gmx.de>
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Reply-To: djgpp AT delorie DOT com

In /cvs/djgpp/djgpp/src/dxe/dxe3gen.c	2023/01/31 20:15:02	1.28
the variables max_names and num_names are declared as unsigned int.
Later at line 1323 in dxe3gen.c, num_names gets compared with n_exp_syms
that is declared as LONG32 in dxe.h inhibiting the compilation of the
current repository code.  max_names and num_names are members of the
struct opt defined in dxe3gen.c and n_exp_syms is a member of the
struct dxe3_header defined in dxe.h.
Modifying the signess of opt.num_names generates new signess
issues like this:
gcc -g -DDXE_CC=\"gcc\" -DDXE_AR=\"ar\" dxe3gen.c -o ../../hostbin/dxegen.exe
gcc ... -c dxe3gen.c
dxe3gen.c: In function `process_exp_file':
dxe3gen.c:513: warning: comparison between signed and unsigned
dxe3gen.c: In function `write_dxe':
dxe3gen.c:1285: warning: comparison between signed and unsigned
dxe3gen.c:1334: warning: comparison between signed and unsigned
make[1]: *** [../makefile.inc:90: dxe3gen.o] Error 1
make: *** [makefile:48: subs] Error 2

Is there any reason for this difference in signess of the members
of those structs if they shall be compared some where in the code?

Regards,
Juan M. Guerrero