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[buddy] Fix several PVS-Studio warnings

Browse source 
For #192.

* src/bddio.c, src/cppext.cxx, src/kernel.c: Fix printf formats, calls
to new, and simplify one check in bdd_delref_nc().
This commit is contained in:
Alexandre Duret-Lutz 2016-10-28 17:12:21 +02:00
parent 41b47966b0
commit 63818a3e69
3 changed files with 12 additions and 11 deletions
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2
buddy/src/bddio.c
View file

@ -130,7 +130,7 @@ void bdd_fprintall(FILE *ofile)
{
if (LOW(n) != -1)
{
fprintf(ofile, "[%5d - %2d] ", n, bddnodes[n].refcou);
fprintf(ofile, "[%5d - %2u] ", n, bddnodes[n].refcou);
if (filehandler)
filehandler(ofile, bddlevel2var[LEVEL(n)]);
else

5
buddy/src/cppext.cxx
View file

@ -37,6 +37,7 @@
#include <string.h>
#include <stdlib.h>
#include <iomanip>
#include <new>
#include "kernel.h"
#include "bvecx.h"
@ -190,7 +191,7 @@ ostream &operator<<(ostream &o, const bdd &r)
return o;
}
int *set = new int[bddvarnum];
int *set = new (std::nothrow) int[bddvarnum];
if (set == NULL)
{
bdd_error(BDD_MEMORY);
@ -252,7 +253,7 @@ ostream &operator<<(ostream &o, const bdd &r)
return o;
}
int *set = new int[bddvarnum];
int *set = new (std::nothrow) int[bddvarnum];
if (set == NULL)
{
bdd_error(BDD_MEMORY);

16
buddy/src/kernel.c
View file

@ -774,19 +774,19 @@ void bdd_fprintstat(FILE *ofile)
fprintf(ofile, "\nCache statistics\n");
fprintf(ofile, "----------------\n");
fprintf(ofile, "Unique Access: %ld\n", s.uniqueAccess);
fprintf(ofile, "Unique Chain: %ld\n", s.uniqueChain);
fprintf(ofile, "Unique Hit: %ld\n", s.uniqueHit);
fprintf(ofile, "Unique Miss: %ld\n", s.uniqueMiss);
fprintf(ofile, "Unique Access: %lu\n", s.uniqueAccess);
fprintf(ofile, "Unique Chain: %lu\n", s.uniqueChain);
fprintf(ofile, "Unique Hit: %lu\n", s.uniqueHit);
fprintf(ofile, "Unique Miss: %lu\n", s.uniqueMiss);
fprintf(ofile, "=> Hit rate = %.2f\n",
(s.uniqueHit+s.uniqueMiss > 0) ?
((float)s.uniqueHit)/((float)s.uniqueHit+s.uniqueMiss) : 0);
fprintf(ofile, "Operator Hits: %ld\n", s.opHit);
fprintf(ofile, "Operator Miss: %ld\n", s.opMiss);
fprintf(ofile, "Operator Hits: %lu\n", s.opHit);
fprintf(ofile, "Operator Miss: %lu\n", s.opMiss);
fprintf(ofile, "=> Hit rate = %.2f\n",
(s.opHit+s.opMiss > 0) ?
((float)s.opHit)/((float)s.opHit+s.opMiss) : 0);
fprintf(ofile, "Swap count = %ld\n", s.swapCount);
fprintf(ofile, "Swap count = %lu\n", s.swapCount);
}
@ -1164,7 +1164,7 @@ BDD bdd_addref(BDD root)
BDD bdd_delref_nc(BDD root)
{
#ifndef NDEBUG
if (root < 2 || !bddrunning)
if (!bddrunning)
return root;
if (root >= bddnodesize)
return bdd_error(BDD_ILLBDD);