Article View: gnu.g++.bug
Article #969Re: Compiler error in "?: " and fprintf.
From: Mike Stump
Date: Tue, 15 Sep 1992 07:43
Date: Tue, 15 Sep 1992 07:43
87 lines
4497 bytes
4497 bytes
This problem should not exist in the next release of gcc.
To compile InterViews 3.1 beta2 you might want to grab gcc.xtar.Z in
pub/contrib/g++@interviews.stanford.edu as it is known to compile
InterViews 3.1 beta2 with nominal patches to IV.
> From: ebubra@anah.ericsson.com (Bertil Askelid 6344)
> Date: Tue, 16 Jun 92 17:50:28 PDT
> Message-Id: <9206170050.AA00997@proton.ebu.ericsson.se>
> To: bug-g++@prep.ai.mit.edu
> Reply-To: ebubra@anah.ericsson.com (Bertil Askelid)
> Organization: Ericsson Business Communications, Anaheim, California
> [this is the first time I send a bug report to you. If you need more
> information, please let me know.]
> I am trying to compile InterViews-3.0.1 (with usual patches applied)
> on a Sparc-IPX running SunOs 4.1.1 using gcc-2.2.2 and libg++-2.1. I
> get the following errors. The first error can easily be circumvented
> by using an "if" instead, but the second one looks more tricky.
>
> g++ -Dcplusplus_2_1 -Div2_6_compatible -I../../../.././src/include/InterViews/2.6 -I../../../.././src/include/IV-look/2.6 -I../../../.././src/include -I/home/springfield0/ebubra/Verktyg/X11/include -c ../catcmds.c
> ./catcmds.c: In method `void ViewCompCmd::Execute ()':
> ./catcmds.c:271: assignment between incompatible pointer types
> .../iv/src/lib/Unidraw/catcmds.c:
> ...
> void ViewCompCmd::Execute () {
> ...
> const char* domain = unidraw->GetCatalog()->GetAttribute("domain");
> -271-> domain = (domain == nil) ? "component" : domain;
> ...
> This looks like a COMPILER ERROR to me -- it worked for gcc-2.1 and
> libg++-2.0 !
>
> g++ -Dcplusplus_2_1 -Div2_6_compatible -I../../../.././src/include/InterViews/2.6 -I../../../.././src/include/IV-look/2.6 -I../../../.././src/include -I/home/springfield0/ebubra/Verktyg/X11/include -c ../idcatalog.c
> ./idcatalog.c: In method `class GraphicComp* IdrawCatalog::ReadPostScript (class istream&)':
> ./idcatalog.c:178: warning: implicit declaration of function `fprintf'
> ./idcatalog.c:178: `stderr' undeclared (first use this function)
> ./idcatalog.c:178: (Each undeclared identifier is reported only once
> ./idcatalog.c:178: for each function it appears in.)
> ./idcatalog.c: In method `void IdrawCatalog::PSReadChildren (class istream&, class GraphicComp*)':
> ./idcatalog.c:266: `stderr' undeclared (first use this function)
> ./idcatalog.c: In method `void IdrawCatalog::PSReadPattern (class istream&, class Graphic*)':
> ./idcatalog.c:658: warning: implicit declaration of function `sscanf'
> *** Error code 1
> .../iv/src/bin/idraw/idcatalog.c:
> ...
> GraphicComp* IdrawCatalog::ReadPostScript (istream& in) {
> Skip(in);
> in >> _buf >> _psversion;
> if (_psversion > PSV_LATEST) {
> -178-> fprintf(stderr, "warning: drawing version %d ", _psversion);
> fprintf(stderr, "newer than idraw version %d\n", PSV_LATEST);
> }
> ...
>
> void IdrawCatalog::PSReadChildren (istream& in, GraphicComp* comp) {
> ...
> -266-> fprintf(stderr, "unknown graphical object %s, skipping\n", _buf);
> ...
>
> void IdrawCatalog::PSReadPattern (istream& in, Graphic* gs) {
> ...
> if (!undefined && !none && graylevel != -1) {
> if (_psversion >= PSV_FGANDBGCOLOR) {
> in >> graylevel;
> } else {
> in >> data[0];
> graylevel = CalcGrayLevel(data[0]);
> }
> } else if (graylevel == -1) {
> for (int i = 0; in >> _buf && i < patternHeight; i++) {
> -658-> if (_buf[0] == '>' || sscanf(_buf, "%x", &data[i]) != 1) {
> break;
> }
> }
> if (_buf[0] == '>') {
> size = i;
> } else {
> undefined = true;
> }
> }
> ...
Technical Details
Message-ID:
<9209150743.AA29282@cygnus.com>Path:
arc1-ca.pugleaf.net!sparky!uunet!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!cygnus.com!mrsShow Full Headers
Complete Article Headers
Newsgroups: gnu.g++.bug Path: arc1-ca.pugleaf.net!sparky!uunet!usc!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!cygnus.com!mrs From: mrs@cygnus.com (Mike Stump) Subject: Re: Compiler error in "?: " and fprintf. Message-ID: <9209150743.AA29282@cygnus.com> Sender: gnulists@ai.mit.edu Organization: GNUs Not Usenet Distribution: gnu Date: Tue, 15 Sep 1992 07:43:55 GMT Approved: bug-g++@prep.ai.mit.edu Lines: 88