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nullptr cleanup for -Wzero-as-null-pointer-constant

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Fixes #106.

* m4/gccwarn.m4: Use -Wzero-as-null-pointer-constant if supported.
* src/bin/autfilt.cc, src/bin/common_aoutput.cc,
src/bin/common_finput.cc, src/bin/common_finput.hh,
src/bin/common_output.cc, src/bin/common_output.hh,
src/bin/common_post.cc, src/bin/common_r.hh, src/bin/common_range.hh,
src/bin/common_setup.cc, src/bin/common_trans.cc, src/bin/dstar2tgba.cc,
src/bin/genltl.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc,
src/bin/ltlcross.cc, src/bin/ltldo.cc, src/bin/ltlfilt.cc,
src/bin/ltlgrind.cc, src/bin/randaut.cc, src/bin/randltl.cc,
src/bin/spot-x.cc, src/kripke/kripkeexplicit.cc, src/ltlast/formula.cc,
src/ltlvisit/randomltl.cc, src/ltlvisit/randomltl.hh,
src/ltlvisit/relabel.cc, src/ltlvisit/relabel.hh,
src/ltlvisit/simplify.cc, src/ltlvisit/snf.hh, src/misc/fixpool.hh,
src/misc/mspool.hh, src/misc/hash.hh, src/misc/optionmap.cc,
src/misc/satsolver.cc, src/misc/tmpfile.cc, src/misc/tmpfile.hh,
src/priv/bddalloc.cc, src/ta/ta.hh, src/ta/taexplicit.cc,
src/ta/taexplicit.hh, src/ta/taproduct.cc, src/ta/tgtaexplicit.hh,
src/ta/tgtaproduct.cc, src/taalgos/minimize.cc,
src/taalgos/reachiter.cc, src/taalgos/tgba2ta.cc,
src/tests/complementation.cc, src/tests/ikwiad.cc,
src/tests/randtgba.cc, src/tests/reduc.cc, src/twa/bdddict.cc,
src/twa/bddprint.cc, src/twa/taatgba.cc, src/twa/twa.cc,
src/twa/twagraph.hh, src/twa/twaproduct.cc,
src/twa/twasafracomplement.cc, src/twaalgos/bfssteps.cc,
src/twaalgos/compsusp.cc, src/twaalgos/dtgbasat.cc,
src/twaalgos/emptiness.cc, src/twaalgos/gtec/ce.cc,
src/twaalgos/gv04.cc, src/twaalgos/ltl2taa.cc,
src/twaalgos/ltl2tgba_fm.cc, src/twaalgos/ltl2tgba_fm.hh,
src/twaalgos/magic.cc, src/twaalgos/minimize.cc,
src/twaalgos/ndfs_result.hxx, src/twaalgos/postproc.cc,
src/twaalgos/postproc.hh, src/twaalgos/reachiter.cc,
src/twaalgos/reducerun.cc, src/twaalgos/safety.hh,
src/twaalgos/sccfilter.hh, src/twaalgos/se05.cc,
src/twaalgos/simulation.cc, src/twaalgos/tau03.cc,
src/twaalgos/tau03opt.cc, src/twaalgos/translate.cc,
src/twaalgos/translate.hh, utf8/utf8/core.h,
bench/stutter/stutter_invariance_formulas.cc, iface/ltsmin/ltsmin.cc,
iface/ltsmin/modelcheck.cc: Use nullptr to fix the warning.
This commit is contained in:
Alexandre Duret-Lutz 2015-09-26 22:14:27 +02:00
parent 51a3cfcede
commit 1729a79ac7
87 changed files with 755 additions and 717 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/taalgos/tgba2ta.cc
View file

@ -47,10 +47,10 @@ namespace spot
static void
transform_to_single_pass_automaton
(const ta_explicit_ptr& testing_automata,
state_ta_explicit* artificial_livelock_acc_state = 0)
state_ta_explicit* artificial_livelock_acc_state = nullptr)
{
if (artificial_livelock_acc_state != 0)
if (artificial_livelock_acc_state)
{
state_ta_explicit* artificial_livelock_acc_state_added =
testing_automata->add_state(artificial_livelock_acc_state);
@ -78,14 +78,14 @@ namespace spot
state_ta_explicit::transitions* trans = source->get_transitions();
state_ta_explicit::transitions::iterator it_trans;
if (trans != 0)
if (trans)
for (it_trans = trans->begin(); it_trans != trans->end();)
{
state_ta_explicit* dest = (*it_trans)->dest;
state_ta_explicit::transitions* dest_trans =
(dest)->get_transitions();
bool dest_trans_empty = dest_trans == 0 || dest_trans->empty();
bool dest_trans_empty = !dest_trans || dest_trans->empty();
//select transitions where a destination is a livelock state
// which isn't a Buchi accepting state and has successors
@ -101,7 +101,7 @@ namespace spot
++it_trans;
}
if (transitions_to_livelock_states != 0)
if (transitions_to_livelock_states)
{
state_ta_explicit::transitions::iterator it_trans;
@ -109,7 +109,7 @@ namespace spot
it_trans != transitions_to_livelock_states->end();
++it_trans)
{
if (artificial_livelock_acc_state != 0)
if (artificial_livelock_acc_state)
{
testing_automata->create_transition
(source,
@ -136,7 +136,7 @@ namespace spot
state_ta_explicit* state = static_cast<state_ta_explicit*> (*it);
state_ta_explicit::transitions* state_trans =
(state)->get_transitions();
bool state_trans_empty = state_trans == 0 || state_trans->empty();
bool state_trans_empty = !state_trans || state_trans->empty();
if (state->is_livelock_accepting_state()
&& (!state->is_accepting_state()) && (!state_trans_empty))
@ -274,7 +274,6 @@ namespace spot
assert(!arc.empty());
sscc.pop();
arc.pop();
}
// automata reduction
@ -396,8 +395,7 @@ namespace spot
}
if ((artificial_livelock_acc_state != 0)
|| single_pass_emptiness_check)
if (artificial_livelock_acc_state || single_pass_emptiness_check)
transform_to_single_pass_automaton(testing_aut,
artificial_livelock_acc_state);
}
@ -517,7 +515,7 @@ namespace spot
if (no_livelock)
return ta;
state_ta_explicit* artificial_livelock_acc_state = 0;
state_ta_explicit* artificial_livelock_acc_state = nullptr;
trace << "*** build_ta: artificial_livelock_acc_state_mode = ***"
<< artificial_livelock_state_mode << std::endl;
@ -527,7 +525,7 @@ namespace spot
single_pass_emptiness_check = true;
artificial_livelock_acc_state =
new state_ta_explicit(ta->get_tgba()->get_init_state(), bddtrue,
false, false, true, 0);
false, false, true, nullptr);
trace
<< "*** build_ta: artificial_livelock_acc_state = ***"
<< artificial_livelock_acc_state << std::endl;
@ -638,7 +636,7 @@ namespace spot
state_ta_explicit::transitions* trans = state->get_transitions();
if (state->is_livelock_accepting_state())
{
bool trans_empty = (trans == 0 || trans->empty());
bool trans_empty = !trans || trans->empty();
if (trans_empty || state->is_accepting_state())
{
ta->create_transition(state, bdd_stutering_transition,