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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

18
src/tests/randtgba.cc
View file

@ -77,7 +77,7 @@ const char* default_algos[] = {
"Tau03_opt(condstack)",
"Tau03_opt(condstack ordering)",
"Tau03_opt(condstack ordering !weights)",
0
nullptr
};
std::vector<ec_algo> ec_algos;
@ -520,7 +520,7 @@ generate_formula(const spot::ltl::random_ltl& rl,
assert(opt_l);
std::cerr << "Failed to generate non-reducible formula "
<< "of size " << opt_l << " or more." << std::endl;
return 0;
return nullptr;
}
std::string txt = spot::ltl::str_psl(f);
if (!opt_u || unique.insert(txt).second)
@ -529,7 +529,7 @@ generate_formula(const spot::ltl::random_ltl& rl,
assert(opt_u);
std::cerr << "Failed to generate another unique formula."
<< std::endl;
return 0;
return nullptr;
}
int
@ -539,9 +539,9 @@ main(int argc, char** argv)
bool opt_dp = false;
int opt_f = 15;
int opt_F = 0;
char* opt_p = 0;
char* opt_i = 0;
std::istream *formula_file = 0;
char* opt_p = nullptr;
char* opt_i = nullptr;
std::istream *formula_file = nullptr;
int opt_l = 0;
bool opt_u = false;
int opt_S = 0;
@ -633,7 +633,7 @@ main(int argc, char** argv)
break;
else if (input == "")
break;
ec_algo a = { input, 0 };
ec_algo a = { input, nullptr };
ec_algos.push_back(a);
}
@ -815,7 +815,7 @@ main(int argc, char** argv)
const char** i = default_algos;
while (*i)
{
ec_algo a = { *(i++), 0 };
ec_algo a = { *(i++), nullptr };
ec_algos.push_back(a);
}
}
@ -834,7 +834,7 @@ main(int argc, char** argv)
ec_algos[i].inst =
spot::make_emptiness_check_instantiator(ec_algos[i].name.c_str(),
&err);
if (ec_algos[i].inst == 0)
if (!ec_algos[i].inst)
{
std::cerr << "Parse error after `" << err << '\'' << std::endl;
exit(1);