cppcheck/test/testsuites/danmar/divbyzero.cpp

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// make USE_Z3=yes
// ./cppcheck --verify --inline-suppr --enable=information test/testsuites/danmar-verify/divbyzero.cpp
#include <stdio.h>
#include <map>
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struct S { int x; };
int globalvar;
void dostuff();
int callfunc1() {
int x = 16;
scanf("%i\n", &x);
// cppcheck-suppress verificationDivByZero
return 100000 / x;
}
int float1(float f) {
// cppcheck-suppress verificationDivByZero
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return 100000 / (int)f;
}
float float2(float f) {
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// cppcheck-suppress verificationDivByZeroFloat
return 100000 / f;
}
int functionCall() {
#ifdef __clang__
return 0;
#else
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// cppcheck-suppress verificationDivByZero
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return 100000 / unknown_function();
#endif
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}
int globalVar1() {
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// cppcheck-suppress verificationDivByZero
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return 100000 / globalvar;
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}
int globalVar2() {
globalvar = 123;
dostuff();
// cppcheck-suppress verificationDivByZero
return 100000 / globalvar;
}
int pointer1(int *p) {
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// cppcheck-suppress verificationDivByZero
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return 100000 / *p;
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}
int pointer2(int *p) {
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// cppcheck-suppress verificationDivByZero
return 100000 / p[32];
}
int stdmap(std::map<int,int> &data) {
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// cppcheck-suppress verificationDivByZero
return 100000 / data[43];
}
int struct1(struct S *s) {
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// cppcheck-suppress verificationDivByZero
return 100000 / s->x;
}
int trycatch() {
int x = 0;
try {
dostuff();
x = 1;
} catch (...) {}
// cppcheck-suppress verificationDivByZero
return 100000 / x;
}