[sane-devel] Code-freeze for sane-1.0.9 active

[Karl Heinz Kremer]

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On Sat, Oct 19, 2002 at 08:10:46AM -0400, Karl Heinz Kremer wrote:
> > > I did however get one error message while
> > > compiling dc25.c:
> > >=20
> > > gcc -c -g -O2 -W -Wall -Wcast-align -Wcast-qual -Wmissing-declaration=
s -Wmi
> > > ssing-prototypes -Wpointer-arith -Wreturn-type -Wstrict-prototypes -p=
edanti
> > > c -ansi -DHAVE_CONFIG_H -I. -I. -I../include -I../include -D_GNU_SOUR=
CE -DP
> > > ATH_SANE_CONFIG_DIR=3D/usr/local/etc/sane.d -DPATH_SANE_DATA_DIR=3D/u=
sr/local/s
> > > hare -DV_MAJOR=3D1 -DV_MINOR=3D0 -DBACKEND_NAME=3Ddc25 -DLIBDIR=3D/us=
r/local/lib/sa
> > > ne dc25.c  -fno-common -DPIC
> > > dc25.c:2757: syntax error, found `fd'
> > > dc25.c:2757: illegal function definition, found `)'
> >=20
> > Maybe that gcc doesn't like the UNUSEDARG? However I don't know why it
> > complains about the last usage in that file.

I looked at this again and found out that when I change the line in question
from=20
sane_get_select_fd (SANE_Handle UNUSEDARG handle, SANE_Int * UNUSEDARG fd)
to
sane_get_select_fd (SANE_Handle UNUSEDARG handle, SANE_Int UNUSEDARG * fd)

(moved the asterisk after the UNUSEDARG macro), then it compiles. It still
compiles on my Linux system (with gcc 2.95.3). I don't have the hardware
to verify that this does not change the behavior. The fd argument is=20
the only pointer that is used with UNUSEDARG. This explains why this
error only shows up with the last instance of UNUSEDARG in this file.

Karl Heinz

--=20
Karl Heinz Kremer                                  khk@khk.net
PGP Key at                 http://www.khk.net/download/khk.asc
EPSON Sane Backend:                         http://www.khk.net

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