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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

14
src/taalgos/minimize.cc
View file

@ -106,7 +106,7 @@ namespace spot
bdd tgba_condition = bddtrue;
bool is_initial_state = a->is_initial_state(src);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
if (!a->get_artificial_initial_state() && is_initial_state)
tgba_condition = a->get_state_condition(src);
bool is_accepting_state = a->is_accepting_state(src);
bool is_livelock_accepting_state =
@ -124,7 +124,7 @@ namespace spot
{
delete new_src;
}
else if (a->get_artificial_initial_state() != 0)
else if (a->get_artificial_initial_state())
{
if (a->get_artificial_initial_state() == src)
result->set_artificial_initial_state(new_src);
@ -146,7 +146,7 @@ namespace spot
bdd tgba_condition = bddtrue;
is_initial_state = a->is_initial_state(dst);
if ((a->get_artificial_initial_state() == 0) && is_initial_state)
if (!a->get_artificial_initial_state() && is_initial_state)
tgba_condition = a->get_state_condition(dst);
bool is_accepting_state = a->is_accepting_state(dst);
bool is_livelock_accepting_state =
@ -165,7 +165,7 @@ namespace spot
{
delete new_dst;
}
else if (a->get_artificial_initial_state() != 0)
else if (a->get_artificial_initial_state())
{
if (a->get_artificial_initial_state() == dst)
result->set_artificial_initial_state(new_dst);
@ -238,7 +238,7 @@ namespace spot
const state* s = *it;
if (s == artificial_initial_state)
I->insert(s);
else if (artificial_initial_state == 0 && ta_->is_initial_state(s))
else if (!artificial_initial_state && ta_->is_initial_state(s))
I->insert(s);
else if (ta_->is_livelock_accepting_state(s)
&& ta_->is_accepting_state(s))
@ -508,7 +508,7 @@ namespace spot
{
auto tgba = make_twa_graph(ta_->get_dict());
auto res = make_ta_explicit(tgba, ta_->acc().num_sets(), 0);
auto res = make_ta_explicit(tgba, ta_->acc().num_sets(), nullptr);
partition_t partition = build_partition(ta_);
@ -528,7 +528,7 @@ namespace spot
{
auto tgba = make_twa_graph(tgta_->get_dict());
auto res = make_tgta_explicit(tgba, tgta_->acc().num_sets(), 0);
auto res = make_tgta_explicit(tgba, tgta_->acc().num_sets(), nullptr);
auto ta = tgta_->get_ta();