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lemon (tools): Fix Dereference of null pointer found by Clang analyzer 

Change-Id: Ica08d9372fbe3809eb078e0285cba2a49cee6b8d
Reviewed-on: https://code.wireshark.org/review/13331
Reviewed-by: Dario Lombardo <lomato@gmail.com>
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
Alexis La Goutte 2016-01-16 12:30:02 +01:00 committed by Michael Mann
parent 3343729457
commit e63fd927f9
1 changed files with 25 additions and 22 deletions
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47
tools/lemon/lemon.c
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@ -3185,30 +3185,33 @@ void ReportOutput(struct lemon *lemp)
if( fp==0 ) return;
for(i=0; i<lemp->nxstate; i++){
stp = lemp->sorted[i];
fprintf(fp,"State %d:\n",stp->statenum);
if( lemp->basisflag ) cfp=stp->bp;
else cfp=stp->cfp;
while( cfp ){
char buf[20];
if( cfp->dot==cfp->rp->nrhs ){
lemon_sprintf(buf,"(%d)",cfp->rp->index);
fprintf(fp," %5s ",buf);
}else{
fprintf(fp," ");
}
ConfigPrint(fp,cfp);
fprintf(fp,"\n");
if(stp){
fprintf(fp,"State %d:\n",stp->statenum);
if( lemp->basisflag ) cfp=stp->bp;
else cfp=stp->cfp;
while( cfp ){
char buf[20];
if( cfp->dot==cfp->rp->nrhs ){
lemon_sprintf(buf,"(%d)",cfp->rp->index);
fprintf(fp," %5s ",buf);
}else{
fprintf(fp," ");
}
ConfigPrint(fp,cfp);
fprintf(fp,"\n");
#if 0
SetPrint(fp,cfp->fws,lemp);
PlinkPrint(fp,cfp->fplp,"To ");
PlinkPrint(fp,cfp->bplp,"From");
SetPrint(fp,cfp->fws,lemp);
PlinkPrint(fp,cfp->fplp,"To ");
PlinkPrint(fp,cfp->bplp,"From");
#endif
if( lemp->basisflag ) cfp=cfp->bp;
else cfp=cfp->next;
}
fprintf(fp,"\n");
for(ap=stp->ap; ap; ap=ap->next){
if( PrintAction(ap,fp,30) ) fprintf(fp,"\n");
if( lemp->basisflag ) cfp=cfp->bp;
else cfp=cfp->next;
}
fprintf(fp,"\n");
for(ap=stp->ap; ap; ap=ap->next){
if( PrintAction(ap,fp,30) ) fprintf(fp,"\n");
}
}
fprintf(fp,"\n");
}