427 lines
7.2 KiB
C
427 lines
7.2 KiB
C
// To test:
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// ~/cppcheck/cppcheck --dump misra-test.c && python ../misra.py -verify misra-test.c.dump
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#include "path\file.h" // 20.2
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#include /*abc*/ "file.h" // 20.3
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#include <setjmp.h> // 21.4
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#include <signal.h> // 21.5
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#include <tgmath.h> // 21.11
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned long long u64;
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//// 3.1
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extern int n01_var_hides_var____________________________________________63x;
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static int n01_var_hides_var____________________________________________63y;//5.2
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static int n02_function_hides_var_______________________________________63x;
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void n02_function_hides_var_______________________________________63y(void) {}//5.2
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void foo(void)
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{
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int i;
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switch(f1())
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{
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case 1:
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{
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do
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{
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for(i = 0; i < 10; i++)
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{
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if(f3())
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{
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int
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n03_var_hides_var____________________________________________63x;
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int
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n03_var_hides_var____________________________________________63y;//5.2
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}
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}
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} while(f2());
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}
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}
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}
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union n06_field_hides_field________________________________________63x {
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int n04_field_hides_field________________________________________63x;
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int n04_field_hides_field________________________________________63y;//5.2
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};
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struct n06_field_hides_field________________________________________63y { //5.2
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int n05_field_hides_field________________________________________63x;
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int n05_field_hides_field________________________________________63y;//5.2
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};
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const char *s41_1 = "\x41g"; // 4.1
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const char *s41_2 = "\x41\x42";
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void misra_5_1() {
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int a123456789012345678901234567890; // no-warning
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int a1234567890123456789012345678901; // 5.1 ,5.2
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}
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void misra_5_3() {
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u8 x=1;
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if (y!=0) {
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u8 x=2; // 5.3
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} else {}
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}
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#define misra_5_4_macro_hides_macro__31x 1
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#define misra_5_4_param_hides_macro__31x 1
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#define misra_5_4_macro_hides_macro__31y 2 //5.4
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#define m1(misra_5_4_param_hides_macro__31y) 1 //5.4
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#define m2(misra_5_4_param_hides_param__31x,misra_5_4_param_hides_param__31y) 1 //5.4
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#define misra_5_5_var_hides_macro____31x 1
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#define misra_5_5_functionhides_macro31x 1
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#define misra_5_5_param_hides_macro__31x 1
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#define misra_5_5_tag_hides_macro____31x 1
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#define misra_5_5_hides_macro________31x 1
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int misra_5_5_var_hides_macro____31y; //5.5
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void misra_5_5_functionhides_macro31y(int misra_5_5_param_hides_macro__31y){} //5.5
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struct misra_5_5_tag_hides_macro____31y { //5.5
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int x;
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};
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void misra_5_5_func1()
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{
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switch(misra_5_5_func2())
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{
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case 1:
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{
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do
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{
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if(misra_5_5_func3())
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{
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int misra_5_5_hides_macro________31y; //5.5
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}
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} while(misra_5_5_func2());
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}
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}
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}
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void misra_7_1() {
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int x = 066; // 7.1
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}
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void misra_7_3() {
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int x = 12l; // 7.3
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int x = 12lu; // 7.3, 5.2
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}
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extern int a811[]; // 8.11
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enum e812 {
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A=3,
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B=3 // 8.12
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};
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void misra_8_14(char * restrict str) {} // 8.14
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void misra_9_5() {
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int x[] = {[0]=23}; // 9.5
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}
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void misra_10_4(u8 x, u16 y) {
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z = x + y; // 10.4
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}
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void misra_10_6(u8 x) {
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u16 y = x+x; // 10.6
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}
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void misra_10_8(u8 x) {
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y = (u16)x;
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y = (u16)(x+x); // 10.8
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}
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void misra_11_3(u8* p) {
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x = (u64*)p; // 11.3
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}
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void misra_11_4(u8*p) {
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u64 y = (u64)p; // 11.4
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}
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void misra_11_5(void *p) {
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x = (u8 *)p; // 11.5
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}
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void misra_11_6() {
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void *p;
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p = (void*)123; // 11.6
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x = (u64)p; // 11.6
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}
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struct Fred {}; struct Wilma {};
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void misra_11_7(struct Fred *fred) {
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struct Wilma *wilma = (struct Wilma *)fred; // 11.7
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}
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char * misra_11_8(const char *str) {
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return (char *)str; // 11.8
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}
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#define MISRA_11_9 ((void*)0) // 11.9
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void misra_12_1() {
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sz = sizeof x + y; // 12.1
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a = (b * c) + d;
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a = b << c + d; // 12.1
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}
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void misra_12_2(u8 x) {
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a = x << 8; // 12.2
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}
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void misra_12_3() {
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f((1,2),3); // TODO
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for (i=0;i<10;i++,j++){} // 12.3
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}
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void misra_12_4() {
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x = 123456u * 123456u; // 12.4
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}
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void misra_13_1(int *p) {
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volatile int v;
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int a[3] = {0, (*p)++, 2}; // 13.1
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int b[2] = {v,1}; // TODO
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}
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void misra_13_3() {
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x = y++; // 13.3
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}
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void misra_13_4() {
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if (x != (y = z)) {} // 13.4
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else {}
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}
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void misra_13_5() {
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if (x && (y++ < 123)){} // 13.5
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else {}
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}
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void misra_13_6() {
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return sizeof(x++); // 13.6
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}
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void misra_14_1() {
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for (float f=0.1f; f<1.0f; f += 0.1f){} // 14.1
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}
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void misra_14_2() {
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for (dostuff();a<10;a++) {} // 14.2
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for (;i++<10;) {} // 14.2
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for (;i<10;dostuff()) {} // TODO
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// TODO check more variants
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}
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struct {
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unsigned int x:1;
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unsigned int y:1;
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} _14_4_struct;
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void misra_14_4(bool b) {
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if (x+4){} // 14.4
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else {}
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if (b) {}
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else {}
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if (_14_4_struct.x) {}
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}
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void misra_15_1() {
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goto a1; // 15.1
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a1:
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}
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void misra_15_2() {
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label:
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goto label; // 15.2 15.1
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}
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void misra_15_3() {
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if (x!=0) {
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goto L1; // 15.3 15.1
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if (y!=0) {
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L1:
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} else {}
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} else {}
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}
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int misra_15_5() {
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if (x!=0) {
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return 1; // 15.5
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} else {}
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return 2;
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}
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void misra_15_6() {
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if (x!=0); // 15.6
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else{}
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#if A>1 // no-warning
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(void)0;
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#endif
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do {} while (x<0); // no-warning
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}
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void misra_15_7() {
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if (x!=0){} // no-warning
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if (x!=0){} else if(x==1){} // 15.7
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if (x!=0){} else if(x==1){}else{;} // no-warning
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}
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void misra_16_2() {
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switch (x) {
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default:
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break;
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case 1:
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while (y>4) {
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case 2: break; // 16.2
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}
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break;
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}
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}
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void misra_16_3() {
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switch (x) {
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case 1:
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case 2:
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a=1;
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case 3: // 16.3
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a=2;
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// fallthrough
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case 5:
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break;
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case 7:
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a=3;
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[[fallthrough]];
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case 8:
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a=4;
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break;
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case 9:
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if (a==b) {
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break;
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}
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case 10: // 16.3
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return; // 15.5
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case 11:
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{ break; }
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case 12:
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default: break;
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}
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}
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void misra_16_4() {
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switch (x) { // 16.4
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case 1:
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break;
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case 2:
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break;
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}
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}
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void misra_16_5() {
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switch (x) {
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case 1:
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break;
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default: // 16.5
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break;
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case 2:
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break;
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}
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}
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void misra_16_6() {
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switch (x) { // 16.6
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default:
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break;
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}
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switch (x) {
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case 1: break;
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case 2: break;
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default: break;
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}
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// No 16 6 in this switch:
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switch (x) {
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case A: return 1; // 15.5
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case B: return 1; // 15.5
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case C: return 1; // 15.5
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default: return 2; // 15.5
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}
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}
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void misra_16_7() {
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switch (x != 123) { // 16.7
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case 1:
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break;
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default:
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break;
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}
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}
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void misra_17_1() {
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va_list(); // 17.1
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va_arg(); // 17.1
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va_start(); // 17.1
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va_end(); // 17.1
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va_copy(); // 17.1
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}
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void misra_17_6(int x[static 20]) {} // 17.6
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void misra_17_8(int x) {
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x = 3; // 17.8
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}
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void misra_18_5() {
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int *** p; // 18.5
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}
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void misra_18_8(int x) {
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int buf1[10];
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int buf2[sizeof(int)];
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int vla[x]; // 18.8
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}
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union misra_19_2 { }; // 19.2
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#include "notfound.h" // 20.1
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#define int short // 20.4
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#undef X // 20.5
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#else1 // 20.13
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void misra_21_3() {
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p1=malloc(10); // 21.3
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p2=calloc(10); // 21.3
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realloc(10); // 21.3
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free(p1); // 21.3
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}
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void misra_21_7() {
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atof(str); // 21.7
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atoi(str); // 21.7
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atol(str); // 21.7
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atoll(str); // 21.7
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}
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void misra_21_8() {
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abort(); // 21.8
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getenv("foo"); // 21.8
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system(""); // 21.8
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exit(-1); // 21.8
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}
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void misra_21_9() {
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bsearch(key,base,num,size,cmp); // 21.9
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qsort(base,num,size,cmp); // 21.9
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}
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