s14h
/
prism-accumulation
1
0
Fork 0
Code Releases Activity
Browse Source

dd_abstr.cc: Add NULL checks for the return values of DD functions 

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10475 bbc10eb1-c90d-0410-af57-cb519fbb1720
master
Joachim Klein 11 years ago
parent
9ce369d38e
commit
3be99a61cf
1 changed files with 13 additions and 1 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 12
      prism/src/dd/dd_abstr.cc

12
prism/src/dd/dd_abstr.cc
View File

@ -42,8 +42,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addOrAbstract(ddman, dd, cube); res = Cudd_addOrAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman,cube); Cudd_RecursiveDeref(ddman,cube);
@ -64,8 +66,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addUnivAbstract(ddman, dd, cube); res = Cudd_addUnivAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman, cube); Cudd_RecursiveDeref(ddman, cube);
@ -86,8 +90,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addExistAbstract(ddman, dd, cube); res = Cudd_addExistAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman, cube); Cudd_RecursiveDeref(ddman, cube);
@ -108,8 +114,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addUnivAbstract(ddman, dd, cube); res = Cudd_addUnivAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman, cube); Cudd_RecursiveDeref(ddman, cube);
@ -130,8 +138,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addMinAbstract(ddman, dd, cube); res = Cudd_addMinAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman, cube); Cudd_RecursiveDeref(ddman, cube);
@ -152,8 +162,10 @@ int num_vars
DdNode *cube, *res; DdNode *cube, *res;
cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars); cube = Cudd_addComputeCube(ddman, vars, NULL, num_vars);
if (cube == NULL) return NULL;
Cudd_Ref(cube); Cudd_Ref(cube);
res = Cudd_addMaxAbstract(ddman, dd, cube); res = Cudd_addMaxAbstract(ddman, dd, cube);
if (res == NULL) return NULL;
Cudd_Ref(res); Cudd_Ref(res);
Cudd_RecursiveDeref(ddman, dd); Cudd_RecursiveDeref(ddman, dd);
Cudd_RecursiveDeref(ddman, cube); Cudd_RecursiveDeref(ddman, cube);

Write Preview
Loading…
Cancel
Save