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cppcheck/addons/test/misra/misra-test.c

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// To test:
// ~/cppcheck/cppcheck --dump misra/misra-test.h --std=c89
// ~/cppcheck/cppcheck --dump -DDUMMY --suppress=uninitvar --inline-suppr misra/misra-test.c --std=c89 --platform=unix64 && python3 ../misra.py -verify misra/misra-test.c.dump
#include "path\file.h" // 20.2
#include "file//.h" // 20.2
#include "file/*.h" // 20.2
#include "file'.h" // 20.2
#include <file,.h> // 20.2
#include "file,.h" // 20.2
#include "misra-test.h"
#include /*abc*/ "file.h" // no warning
/*foo*/#include "file.h" // no warning
#include "./file.h" // no warning
#include \
"file.h"
#include /*abc*/ \
"file.h"
#include "fi" "le.h" // 20.3 (strings are concatenated after preprocessing)
#include "fi" <le.h> // 20.3
#include <fi> <le.h> // 20.3
#include PATH "file.h" // 20.3
#define H_20_3_ok "file.h"
#include H_20_3_ok
#include file.h // 20.3
#define H_20_3_bad file.h
#include H_20_3_bad // TODO: 20.3 Trac #9606
#include "//file.h" // 20.2
#include "//file.h" H_20_3_bad // 20.2 20.3
//#include H_20_3_bad // no warning
#include H_20_3_ok H_20_3_ok // 20.3
#include<file.h> // no warning
#include <setjmp.h> // 21.4
#include <signal.h> // 21.5
#include <stdio.h> //21.6
#include <wchar.h> //21.6
#include <time.h> // 21.10
#include <tgmath.h> // 21.11
#include <fenv.h>
// Check that the addon doesn't crash
typedef struct {
union { // 19.2
struct {
unsigned a : 2;
unsigned : 14;
};
uint16_t value;
};
} STRUCT_BITS;
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef signed int s32;
typedef unsigned long long u64;
static void misra_1_2(bool expr)
{
(void)(condition ? : 0); // 1.2
a = 1 + ({if (!expr) {code;} 1;}); // 1.2
}
static _Atomic int misra_1_4_var; // 1.4
static _Noreturn void misra_1_4_func(void) // 1.4
{
if (0 != _Generic(misra_1_4_var)) {} // 1.4 17.3
printf_s("hello"); // 1.4
}
#define MISRA_2_2 (1*60)
static void misra_2_2(int x) {
int a;
a = x + 0; // 2.2
a = 0 + x; // 2.2
a = x * 0; // 2.2
a = 0 * x; // 2.2
a = x * 1; // 2.2
a = 1 * x; // 2.2
a = MISRA_2_2;
(void)a;
}
/* // */ // 3.1
/* /* */ // 3.1
////
/* https://cppcheck.net */
// http://example.com // no warning
static void misra_2_7_unused_param (int *param1, int unused_param) // 2.7
{
*param1 = 42U;
}
static void misra_2_7_used_params (int *param1, int param2, int param3)
{
(void)param3;
*param1 = param2;
}
static void misra_2_7_a(int a,
int b, // 2.7
int c,
int d) // 2.7
{
(void)a;
(void)c;
}
static void misra_2_7_b(int a, int b, int c, // 2.7
int d) // 2.7
{
(void)a;
}
static void misra_2_7_c(int a, ...) { (void)a; }
static void misra_2_7_d(int) { } // 2.7 8.2
static void misra_3_2(int enable)
{
// This won't generate a violation because of subsequent blank line \
int y = 0;
int x = 0; // 3.2 non-compliant comment ends with backslash \
if (enable != 0)
{
++x; // This is always executed
// 3.2 potentially non-compliant comment ends with trigraph resolved to backslash ??/
++y; // This is hidden if trigraph replacement is active
}
(void)printf("x=%i, y=%i\n", x, y);
}
extern int misra_5_1_extern_var_hides_var_x;
extern int misra_5_1_extern_var_hides_var_y; //5.1
int misra_5_1_var_hides_var________a; // 8.4
int misra_5_1_var_hides_var________b; int misra_5_1_var_hides_var________b1; int misra_5_1_var_hides_var________b2; //5.1 8.4
int misra_5_1_var_hides_var________c; //5.1 8.4
int misra_5_1_var_hides_var________d; //5.1 8.4
int misra_5_1_var_hides_var________e; //5.1 8.4
extern const uint8_t misra_5_2_var1;
const uint8_t misra_5_2_var1 = 3;
static int misra_5_2_var_hides_var______31x;
static int misra_5_2_var_hides_var______31y;//5.2
static int misra_5_2_function_hides_var_31x;
static void misra_5_2_function_hides_var_31y(void) {}//5.2
static void foo(void)
{
int i;
switch(misra_5_2_func1()) //16.4 16.6
{
case 1:
{
do
{
for(i = 0; i < 10; i++)
{
if(misra_5_2_func3()) //17.3
{
int misra_5_2_var_hides_var_1____31x;
int misra_5_2_var_hides_var_1____31y;//5.2
}
}
} while(misra_5_2_func2()); //17.3
}
break;
}
}
union misra_5_2_field_hides_field__63x { //19.2
int misra_5_2_field_hides_field__31x;
int misra_5_2_field_hides_field__31y;//5.2
};
struct misra_5_2_field_hides_field__63y { //5.2
int misra_5_2_field_hides_field1_31x;
int misra_5_2_field_hides_field1_31y;//5.2
};
const char *s41_1 = "\x41g"; // 4.1 8.4
const char *s41_2 = "\x41\x42"; // 8.4
const char *s41_3 = "\x41" "\x42"; // 8.4
const char *s41_4 = "\x41" "g"; // 8.4
const char *s41_5 = "\x41\xA"; // 8.4
const char *s41_6 = "\xA\x41"; // 8.4
const char *s41_7 = "\xAA\xg\x41"; // 4.1 8.4
const char *s41_8 = "\xAA\x\x41"; // 4.1 8.4
const char *s41_9 = "unknown\gsequence"; // 8.4
const char *s41_10 = "simple\nsequence"; // 8.4
const char *s41_11 = "string"; // 8.4
int c41_3 = '\141t'; // 4.1 8.4
int c41_4 = '\141\t'; // 8.4
int c41_5 = '\0'; // 10.3 8.4
int c41_6 = '\0\t'; // 8.4
int c41_7 = '\12\t'; // 8.4
int c41_8 = '\0t'; // 4.1 8.4
int c41_9 = '\12'; // 8.4
int c41_10 = '\12\n'; // 8.4
int c41_11 = '\12n'; // 4.1 8.4
int c41_12 = '\12323'; // 4.1 8.4
int c41_13 = '\123\3'; // 8.4
// TODO int c41_14 = '\777\777';
int c41_15 = 'a'; // 10.3 8.4
static void misra_4_1(void)
{
(void)printf("\x41g"); // 4.1
(void)printf("\x41\x42");
(void)printf("\x41" "g");
}
const char *s42_1 = "String containing trigraphs ??-??-??"; // 4.2 8.4
const char *s42_2 = "String containing trigraph???=preceded by question mark"; // 4.2 8.4
const char *s42_3 = "No trigraph?(?'?)"; // 8.4
static void misra_4_2(void)
{
(void)printf("??=Trigraph\n"); // 4.2
(void)printf("No?/Trigraph\n");
}
#define misra_5_4_macro_hides_macro__31x 1
#define misra_5_4_param_hides_macro__31x 1
#define misra_5_4_macro_hides_macro__31y 2 //5.4
#define m1(misra_5_4_param_hides_macro__31y) 1 //5.4
#define m2(misra_5_4_param_hides_param__31x,misra_5_4_param_hides_param__31y) 1 //5.4
#ifdef misra_5_4_macro_hides_macro__31x
#define misra_5_4_macro 1 // no warning
#else
#define misra_5_4_macro 2 // no warning
#endif
#define misra_5_5_var_hides_macro____31x 1
#define misra_5_5_functionhides_macro31x 1
#define misra_5_5_param_hides_macro__31x 1
#define misra_5_5_tag_hides_macro____31x 1
#define misra_5_5_hides_macro________31x 1
int misra_5_5_var_hides_macro____31y; //5.5 8.4
static void misra_5_5_functionhides_macro31y(int misra_5_5_param_hides_macro__31y){(void)misra_5_5_param_hides_macro__31y;} //5.5
struct misra_5_5_tag_hides_macro____31y { //5.5
int x;
};
static void misra_5_5_func1(void)
{
switch(misra_5_5_func2()) //16.4 16.6
{
case 1:
{
do
{
if(misra_5_5_func3()) //17.3
{
int misra_5_5_hides_macro________31y; //5.5
}
} while(misra_5_5_func2()); //17.3
}
break;
}
}
typedef unsigned int UINT_TYPEDEF;
struct struct_with_bitfields
{
unsigned int a:2; // Compliant
signed int b:2; // Compliant
UINT_TYPEDEF c:2; // Compliant
int d:2; // 6.1 - plain int not compliant
signed long f:2; // 6.1 - signed long not compliant
unsigned int g:1; // Compliant
signed int h:1; // 6.2 - signed int with size 1 is not compliant
uint16_t i:1; // Compliant
};
static void misra6_1_fn(void) {
// "Use" occurrence should not generate warnings
struct_with_bitfields s;
s.h = 61;
}
static void misra_7_1(void) {
int x = 066; // 7.1
}
static void misra_7_2(void) {
uint32_t a = 0x7fffffff;
uint32_t b = 0x80000000; // 7.2
uint32_t c = 0x80000000U;
uint32_t d = 2147483647;
uint64_t e = 2147483648;
uint32_t f = 2147483648U;
}
// The addon should not generate false positives for the identifiers.
struct misra_7_3_s
{
uint32_t ul_clka;
uint32_t test123l;
};
static void misra_7_3(void) {
long misra_7_3_a = 0l; //7.3
long misra_7_3_b = 0lU; //7.3
long long misra_7_3_c = 0Ull; //7.3
long long misra_7_3_d = 0ll; //7.3
long double misra_7_3_e = 7.3l; //7.3
struct misra_7_3_s misra_7_3_f =
{
.ul_clka = 19U,
.test123l = 23U
};
}
typedef const char* MISRA_7_4_CHAR_CONST;
static MISRA_7_4_CHAR_CONST misra_7_4_return_const_type_def (void) { return "return_typedef_const"; }
static char *misra_7_4_return_non_const (void) { return 1 + "return_non_const"; } // 7.4 18.4
static const char *misra_7_4_return_const (void) { return 1 + "return_const"; } // 18.4
static void misra_7_4_const_call(int a, const char* b) { } // 2.7
static void misra_7_4_const_ptr_call(int a, const char const* b) { } // 2.7
static void misra_7_4_call(int a, char* b) { } // 2.7
static void misra_7_4_call_2(int a, ...) { } // 2.7
static void misra_7_4(void)
{
const char *a = "text a";
char* const b = "text_b"; // 7.4
char *c = "text c"; // 7.4
char *d = 1 + "text d"; // 7.4 18.4
char *e = "text e" + 1 + 2; // 7.4 18.4
char *f = 1 + "text f" + 2; // 7.4 18.4
const wchar_t *g = "text_g";
wchar_t *h = "text_h"; // 7.4
misra_7_4_const_call(1, ("text_const_call"));
misra_7_4_const_ptr_call(1, ("text_const_call"));
misra_7_4_call(1, "text_call"); // 7.4 11.8
misra_7_4_call_2(1, "a", "b");
}
const misra_8_1_a; // 8.1 8.4
static int misra_8_2_a (int n, ...);
extern int misra_8_2_b (int n);
extern int misra_8_2_c (int); // 8.2
static int misra_8_2_d (); // 8.2
static int misra_8_2_e (void);
static int misra_8_2_f (vec, n )
int *vec; // 8.2
int n; // 8.2
{
return vec[ n - 1 ];
}
static int misra_8_2_g ( /* comment */ ); // 8.2
static int misra_8_2_h ( /* comment 1 */ /* comment 2 */ ); // 8.2
static int misra_8_2_i ( /* comment */ void);
static int misra_8_2_j ( /* comment */ void /* comment */);
static int misra_8_2_k ( //
void);
static int misra_8_2_l ( // 8.2
);
static void misra_8_2_m(uint8_t * const x);
static void misra_8_2_m(uint8_t * const x)
{
(void)x;
}
int16_t ( *misra_8_2_p_a ) (); // 8.2 8.4
int16_t ( *misra_8_2_p_b ) (void); // 8.4
int16_t ( *misra_8_2_p_c ) (int); // 8.4
static int misra_8_2_n(int a)
{ return a + 42; }
static int misra_8_2_o(
const uint32_t a1,
const uint8_t *const a2
)
{ return *a2 + a1; }
static int misra_8_2_p(
const uint32_t a1,
const uint8_t *const a2
);
static int misra_8_2_q
(); // 8.2
void misra_8_4_foo(void) {} // 8.4
extern void misra_8_4_func(void);
void misra_8_4_func(void) {}
static void misra_8_4_bar(void) {} // Declared in header
extern int16_t misra_8_4_count; // no-warning
int16_t misra_8_4_count = 0; // Compliant
extern uint8_t misra_8_4_buf1[13]; // no-warning
uint8_t misra_8_4_buf2[24]; // 8.4
typedef struct { uint16_t a; uint16_t b; } misra_8_4_struct;
extern misra_8_4_struct bar[42];
misra_8_4_struct bar[42]; // compliant
static int32_t misra_8_8 = 123;
extern int32_t misra_8_8; // 8.8
static int32_t misra_8_9_i; // 8.9
static int32_t misra_8_9_foo(void) { return misra_8_9_i++; }
inline int32_t misra_8_10_value(void) { return 123; } // 8.10 8.4
extern int a811[]; // 8.11
enum misra_8_12_a { misra_a1 = 1, misra_a2 = 2, misra_a3, misra_a4 = 3 }; //8.12
enum misra_8_12_b { misra_b1, misra_b2, misra_b3 = 3, misra_b4 = 3 }; // no-warning
enum misra_8_12_c { misra_c1 = misra_a1, misra_c2 = 1 }; // no-warning
enum misra_8_12_d { misra_d1 = 1, misra_d2 = 2, misra_d3 = misra_d1 }; // no-warning
enum misra_8_12_e { misra_e1 = sizeof(int), misra_e2}; // no-crash
static void misra_8_14(char * restrict str) {(void)str;} // 8.14
// #11707 -- false positive
struct S_9_3 { struct S_9_3* p; int x; };
struct S_9_3* s_9_3_array[] = { x, NULL }; // 8.4
// #10854
struct Entry_9_2{
union{ // 19.2
const int *p;
int x;
};
int y;
};
static void misra_9_2_10854(void){
struct Entry_9_2 e1[] =
{
{{ .x = 1 }, .y = 2 }
};
}
static void misra_9_empty_or_zero_initializers(void) {
int a[2] = {}; // 9.2
int b[2][2] = {}; // 9.2
int c[2][2] = { {} }; // 9.2 9.3
int d[2][2] = { {}, {} }; // 9.2
int e[2][2] = { { 1 , 2 }, {} }; // 9.2
int f[5] = { 0 };
int g[5][2] = { 0 };
int h[2][2] = { { 0 } }; // 9.3
int i[2][2] = { { 0 }, { 0 } };
int j[2][2] = { { 1, 2 }, { 0 } };
int k[2][2] = { [0] = { 1 , 2 }, { 0 } };
int l[1][2] = { { 0 }, [0] = { 1 } }; // 9.3 9.4
typedef struct {
int a;
int b;
} struct1;
struct1 m = { }; // 9.2
struct1 n = { 0 };
}
static void misra_9_string_initializers(void) {
const char a[12] = { "Hello world" }; // 9.2
const char b[2][20] = "Hello world"; // 9.2 9.3
const char c[] = "Hello world";
const char d[15] = "Hello world";
const char e[1][12] = { "Hello world" };
const char *f[2] = { "Hello", [1] = "world" };
const char *g[1] = "Hello world"; // 9.2
const char h[2][15] = { { 0 }, "Hello world" };
char **str_p = &f[0];
char **i[1] = { str_p };
char **j[1] = { { str_p } }; // 9.2
}
static void misra_9_array_initializers(void) {
char a[4] = { 1, 2, 3, 4 };
char b[2][2] = { {1, 2}, {3, 4} };
char c[2][2] = { 1, 2, 3, 4 }; // 9.2
char d[6] = { { 1, 2 }, { 3, 4 }, { 5, 6 } }; // 9.2 9.3
char e[2][2] = { {1, 2}, {4} }; // 9.3
char f[2][2] = { 1, 2, 3 }; // 9.2 9.3
char g[2][2] = { {1, 2, 3, 4} }; // 9.3
char h[2][2] = { { 1, { 2 } }, { 3, { 5 } } }; // 9.2
char i[2][2] = { { 1, { 2 } }, { 3 } }; // 9.2 9.3
char j[2][3] = { { 1, { 2 }, 3 }, { 4, { 5 }, 6 } }; // 9.2
char k[2][3] = { { 1, { 2 }, 3 }, { 4, { 5 } } }; // 9.2 9.3
char l[3] = { 1, { 2, 3 } }; // 9.2 9.3
}
static void misra_9_array_initializers_with_designators(void) {
char a[1] = { [0][1] = 1 }; // 9.2
char b[1] = { [0] = { 1, 2 } }; // 9.2
char c[2][2] = { [0] = {1, 2, 3} };
char d[1][2] = { [0] = 1 }; // 9.2
char e[2][2] = { { 1, 2 }, [1][0] = {3, 4} }; // 9.2
char f[2] = { [0] = 1, 2 };
char g[2] = { [1] = 2, [0] = 1 };
char h[2][2] = { { 1, 2 }, [1] = { 3 } }; // 9.3
char i[2][2] = { { 1, 2 }, [1] = { 3, 4 } };
char j[2][2] = { { 1, 2 }, [1] = { [0] = 3 } };
char k[2][2] = { { 1, 2 }, [1][0] = 3 };
char l[2][2] = { { 1, 2 }, [1][0] = 3, 4}; // 9.2
char m[2][2] = { [0] = { [2] = 2 }, [1][5] = 4 };
char n[2][2] = { [0] = { 1 } }; // 9.3
char o[2][2] = { { 1 }, [1][0] = 3 }; // 9.3
char p[2][2] = { { 1, 2 }, { 3, 4 }, [1] = { 3 } }; // 9.3 9.4
// cppcheck-suppress unknownEvaluationOrder
char q[2][2] = { { 1, 2 }, { 1 }, [1] = { [1] = 3 } }; // 9.4
char r[2][2][2] = { [0][0] = { 1, 2 }, [1] = { [0] = {5, 6} } };
char s[2][2][2] = { [0][0] = { 1, 2 }, [1] = {5, 6, 7, 8}}; // 9.2
char t[2][2][2] = { [0][0] = { 1, 2 }, {3, 4}, [1] = {5, 6}}; // 9.2 9.3
char u[2][2][2] = { [0] = { 1, 2, {3, 4} } }; // 9.2
char v[2][2][2] = { [0] = { 1, 2, [1] = {3, 4} }}; // 9.2
}
static void misra_9_struct_initializers(void) {
typedef struct {
int i1;
int i2;
} struct1;
typedef struct {
char c1;
struct1 is1;
char c2[4];
} struct2;
typedef struct {
struct1 s[2][2];
} struct3;
typedef struct {
unknown_field_type f1;
unknown_field_type f2[2];
int f3[2];
} struct_with_unknown_fields;
struct3 sa[2] = { [1].s[1][0].i1 = 3, 4 }; // 9.2
struct1 sa = 1; // 9.2
struct1 sb = { 1, 2 };
struct2 sc = { 1, { 2 }, {4, 5, 6, 7} };
struct2 sd = { 1, { 2, 3 }, {4, 5, 6} }; // 9.3
struct2 se = { 1, 2, 3, 4, 5, 6, 7 }; // 9.2
struct2 sf = { 1, { 2, 3 }, 4, 5, 6, 7 }; // 9.2
struct2 sg = { 1, { 2 }, 4, 5, 6, 7 }; // 9.2
struct2 sh = { 1, { 2, 3 }, 4, 5, 6 }; // 9.2 9.3
struct2 si = { 1, 2, 3, {4,5,6,7} }; // 9.2
int a;
struct1 sj = { a = 1, 2 }; // 13.1
// Struct types
struct2 sta = { .is1 = sc }; // 9.2
struct2 stb = { .is1 = sb };
struct1 stc[1] = { sc }; // 9.2
struct1 std[1] = { sb };
// Struct designators
struct1 sda = { 1, .i2 = 2 };
struct2 sdb = { 1, { 2, .i2=3 }, .c2[1]=5 };
struct2 sdc = { 1, { 2, .i2=3 }, .c2 = { 5 } }; // 9.3
struct2 sdd = { 1, { 2, .i2=3 }, .c2 = 5 }; // 9.2
struct2 sde = { .is1 = { 2, 3 }, { 4, 5, 6, 7 } };
// Struct arrays
struct1 asa[2] = { {1,2}, {3,4} };
struct1 asb[2] = { {1}, {3,4} };
struct1 asc[2] = { {1,2} }; // 9.3
struct1 asd[2] = { 1,2, 3,4 }; // 9.2
struct1 ase[2] = { 1,2, 3 }; // 9.2
struct1 asf[2] = { 1,2 }; // 9.2 9.3
struct1 asg[2] = { [1].i1 = 3 };
struct3 ash[2] = { [1].s[1][0].i1 = 3 };
struct3 asi[2] = { [0] = { .s[0] = { { 1, 2 } }}}; // 9.3
struct3 asj[2] = { [0] = { .s[0] = { 1, 2 }}}; // 9.2 9.3
// Missing type information
dummy_struct dsa = { 1, .a = 2 };
dummy_struct dsb[2] = { {1,2}, {3,4} };
dummy_struct dsc[2][2] = { {1,2}, {3,4} };
dummy_struct dsd[2][2] = { 1, 2, 3, 4 }; // 9.2
dummy_struct dse[3] = { {1,2}, {3,4}, [1] = {5,6} }; // 9.3 9.4
dummy_struct dsf[] = { [0] = 1 }; // 9.5
dummy_struct dsg = { .a = {0}, .b = {0} };
dummy_struct dsh[2][2] = { { {.a = 0, .b = {0}}, { 0 } }, { { 0 }, {.a = 0, .b = {0}}} };
// Struct with fields of unknown type
struct_with_unknown_fields ufa = { 1, { 1, 2 }, { 1, 2 } };
struct_with_unknown_fields ufb = { 1, 1, 2 }; // 9.2
struct_with_unknown_fields ufc[2] = { {1, { 1, 2 }, { 1, 2 } },
{ 2, { 1, 2 }, { 1, 2 } } };
struct_with_unknown_fields ufd[2][2] = { {1, { 1, 2 }, { 1, 2 } }, // 9.2 9.3
{ 2, { 1, 2 }, { 1, 2 } } };
struct_with_unknown_fields ufe[2] = { 1, { 1, 2 }, { 1, 2 }, // 9.2 9.3
2, { 1, 2 }, { 1, 2 } };
struct_with_unknown_fields uff[3] = { { 1, { 1, 2 }, { 1, 2 }}, // 9.3 9.4
{2, { 1, 2 }, { 1, 2 }},
[1] = { 2, { 1, 2 }, { 1, 2 }} };
// Obsolete initialization syntax for GCC
struct1 os1 = { i1: 1, i2: 2 }; // 10.4 13.4
}
static void misra_9_2(void) {
union misra_9_2_union { // 19.2
char c;
struct1 i;
} u = { 3 }; // 19.2
}
static void misra_9_5(void) {
char a[] = { 1, 2, 3 };
char b[] = { [2] = 5 }; // 9.5
char c[] = { 1, [1] = 5 }; // 9.5
char d[] = { [1] = 2, [0] = 1 }; // 9.5
char e[][2] = { { 1, 2 }, { 3, 4 } };
char f[][2] = { [1] = { 3, 4 } }; // 9.5
char g[][2] = { { 1, 2 }, [1] = { 3, 4 } }; // 9.5
char h[][2] = { [1] = { 1, 2 }, [0] = { 3, 4 } }; // 9.5
}
typedef char misra_10_1_char_t;
#define MISRA_10_1_CHAR char
static void misra_10_1(uint32_t u, char c1, char c2, uint8_t u8) {
int32_t i;
char c;
enum { E1 = 1 };
i = 3 << 1; // 10.1
i = (u & u) << 4; // no-warning
c = c1 & c2; // 10.1
c = c1 << 1; // 10.1
i = c1 > c2; // 10.3
i = E1 + i; // no-warning
char ch1 = 'a';
char ch2 = 'b';
char ch3;
ch3 = ch1 & ch2; // 10.1
misra_10_1_char_t ct1 = 'a';
misra_10_1_char_t ct2 = 'b';
misra_10_1_char_t ct3;
ct3 = ct1 & ct2; // 10.1
MISRA_10_1_CHAR cd1 = 'a';
MISRA_10_1_CHAR cd2 = 'b';
MISRA_10_1_CHAR cd3;
cd3 = cd1 & cd2; // 10.1
uint8_t temp1 = u8 & 0x42U; // no-warning
}
static void misra_10_1_ternary(void)
{
int a;
uint8_t ui8;
uint16_t ui16;
int8_t i8;
int16_t i16;
a = ui16 << ui16; // 10.6
a = ui16 << (get_bool(42) ? ui16 : ui16);
a = ui16 << (get_bool(42) ? ui16 : (get_bool(34) ? ui16 : ui16));
a = ui16 << (get_bool(42) ? (get_bool(34) ? ui16 : ui16) : ui16);
a = ui16 << (get_bool(42) ? i16 : (get_bool(34) ? ui16 : ui16)); // 10.1 10.4
a = ui16 << (get_bool(42) ? (get_bool(34) ? ui16 : i16) : ui16); // 10.1 10.4
a = ui16 << (get_bool(42) ? (get_bool(34) ? ui16 : ui16) : i16); // 10.1 10.4
a = ui16 << (get_bool(42) ? (get_bool(34) ? ui16 : ui8) : ui8); // 10.4
a = ui16 << (get_bool(42) ? (get_bool(34) ? i16 : ui8) : ui8); // 10.1 10.4
a = (get_bool(42) ? (get_bool(34) ? ui16 : ui8) : ui8) << ui16; // 10.4
a = (get_bool(42) ? (get_bool(34) ? i16 : ui8) : ui8) << ui16; // 10.1 10.4
a = (get_bool(42) ? (get_bool(34) ? ui16 : i8) : ui8) << ui16; // 10.1 10.4
a = (get_bool(42) ? (get_bool(34) ? ui16 : ui8) : i8) << ui16; // 10.1
a = (get_bool(42) ? (get_bool(34) ? ui16 : ui8) : ui8) << (get_bool(19) ? ui16 : ui8); // 10.4
a = (get_bool(42) ? (get_bool(34) ? i16 : ui8) : ui8) << (get_bool(19) ? ui16 : ui8); // 10.1 10.4
a = (get_bool(42) ? (get_bool(34) ? ui16 : ui8) : ui8) << (get_bool(19) ? i16 : ui8); // 10.1 10.4
}
static void misra_10_2(void) {
uint8_t u8a = 0;
char cha = 0;
int8_t s8a = 0;
int16_t s16a = 0;
float f32a = 0.0;
char res;
res = '0' + u8a; // Convert u8a to digit
res = s8a + '0';
res = cha - '0';
res = '0' - s8a;
res = cha + ':'; // 10.2
res = s16a - 'a'; // 10.2 10.3 10.4
res = '0' + f32a; // 10.2 10.4
// 10481 - crash
char buf[1] = {'f'};
x = buf[0] - '0';
}
static void misra_10_3(uint32_t u32a, uint32_t u32b) {
uint8_t res;
res = u32a + u32b; // 10.3
res = (uint16_t)(2U + 3U); // 10.3 10.8
res = 2U + 3U; // no warning, utlr=unsigned char
res = 0.1f; // 10.3
const char c = '0'; // no-warning
uint32_t u = UINT32_C(10); // no-warning
}
static void misra_10_4(u32 x, s32 y) {
z = x + 3; // 10.4
enum misra_10_4_enuma { misra_10_4_A1, misra_10_4_A2, misra_10_4_A3 } a;
enum misra_10_4_enumb { misra_10_4_B1, misra_10_4_B2, misra_10_4_B3 };
if ( misra_10_4_B1 > misra_10_4_A1 ) //10.4
{
;
}
z = x + y; //10.4
z = (a == misra_10_4_A3) ? x : y; //10.4
z = (a == misra_10_4_A3) ? y : y; // no-warning
// #10499
const char buf[10] = {0};
if ('0' == buf[x]) // no-warning
{
}
const struct foo_s{
int t;
char buf[2];
} cmd = {0};
if ('\0' == cmd.buf[0]) //no-warning
{
}
// #10652
char c;
if ((char)'1' == c) {} // no warning
if ((unsigned char)'1' == c) {} //10.4
if ((signed char)'1' == c) {} //10.4
}
static void misra_10_5(uint16_t x) {
// bool
res = (uint16_t) (x > 10u); // 10.5
res = (bool) 1u; // no-warning
// char <=> float
res = (char) 0.1f;
res = (float) 'x';
}
struct misra_10_6_s {
unsigned int a:4;
};
static void misra_10_6(u8 x, char c1, char c2) {
u16 y1 = x+x; // 10.6
u16 y2 = (0x100u - 0x80u); // rhs is not a composite expression because it's a constant expression
u16 z = ~u8 x ;//10.6
s32 i = c1 - c2; // 10.3
struct misra_10_6_s s;
s.a = x & 1U; // no-warning (#10487)
}
static void misra_10_6_1(uint32_t *a, uint16_t b, uint16_t c)
{
*a = b + c ; // 10.6
}
static void misra_10_7_f1(struct Timer *pSelf, uint32_t interval_ms);
static void misra_10_7(uint16_t u16a, uint16_t u16b) {
uint32_t u32a = 100u;
res = u32a * u16a + u16b; // 12.1 no-warning
res = (u32a * u16a) + u16b; // no-warning
res = u32a * ( ( uint32_t ) u16a + u16b ); // no-warning
res = u32a * (u16a + u16b); // 10.7
u32a *= u16a + u16b; // 10.7
u32a = ((uint32_t)4 * (uint32_t)2 * (uint32_t)4 ); // no-warning (#10488)
dostuff(&t, (2*60*1000)); // no-warning
}
static void misra_10_8(u8 x, s32 a, s32 b) {
y = (u16)x;
y = (u16)(x+x); // 10.8
y = (u16) (a + b) //10.8
}
int (*misra_11_1_p)(void); // 8.4
void *misra_11_1_bad1 = (void*)misra_11_1_p; // 11.1 8.4
// #12172
typedef void (*pfFunc_11_1)(uint32_t some);
extern pfFunc_11_1 data_11_1[10];
void func_11_1(pfFunc_11_1 ptr){ //8.4
data_11_1[index] = ptr; // no-warning
}
struct misra_11_2_s;
struct misra_11_2_t;
static struct misra_11_2_s * sp;
static struct misra_11_2_t * tp = sp; // 11.2
struct Fred {}; struct Wilma {};
static void misra_11_3(u8* p, struct Fred *fred) {
x = (u64*)p; // 11.3
struct Wilma *wilma = (struct Wilma *)fred; // 11.3
}
typedef struct { uint32_t something; } struct_11_4;
#define A_11_4 ((struct_11_4 *)0x40000U) // 11.4
static void misra_11_4(u8*p) {
u64 y = (u64)p; // 11.4
u8 *misra_11_4_A = ( u8 * ) 0x0005;// 11.4
s32 misra_11_4_B;
u8 *q = ( u8 * ) misra_11_4_B; // 11.4
dummy = A_11_4->something; // no-warning
}
static void misra_11_5(void *p) {
u16 *p16;
x = (u8 *)p; // 11.5
p16 = p; // 11.5
}
static void misra_11_6(void) {
void *p;
p = (void*)123; // 11.6
x = (u64)p; // 11.6
p = ( void * )0; // no-warning
(void)p; // no-warning
// # 12184
p = (void*)0U; // no-warning
}
static void misra_11_7(int *p, float f) {
x = ( float ) p; //11.7
y = ( int * ) f; //11.7
}
static void misra_11_7_extra(int *p, float f, bool b) {
(void) p; // no-warning
(void) f; // no-warning
(void) b; // no-warning
}
static void misra_11_8_const(const char *str) {(void)str;}
static char * misra_11_8(const char *str) {
(void)misra_11_8_const(str); // no-warning
return (char *)str; // 11.8
}
#define MISRA_11_9_NULL_1 (1-1)
#define MISRA_11_9_NULL_2 ( void * ) 0
#define MISRA_11_9_NULL_3 NULL
static void misra_11_9(void) {
int *p1 = (5-5); //11.9
int *p2 = MISRA_11_9_NULL_2 ; // no-warning
int *p3 = MISRA_11_9_NULL_3 ; // no-warning
if ( p1 == MISRA_11_9_NULL_1 ) //11.9
{
;
}
}
static void misra_12_1(void) {
sz = sizeof x + y; // 12.1
a = (b * c) + d;
a = b << c + d; // 12.1
}
static void misra_12_2(u8 x) {
a = x << 8; // 12.2
}
static int misra_12_3_v1 = 0, misra_12_3_v2; // 12.3
static int misra_12_3_v3, misra_12_3_v4; // 12.3
enum misra_12_3_e1 { M123A1, M123B1, M123C1 };
enum misra_12_3_e2 { M123A2 = 3, M123B2 = 4, M123C2 };
typedef enum misra_12_3_e3 { M123A3 , M123B3, M123C3 } misra_12_3_e3_t;
typedef enum { M123A4 , M123B4, M123C4 } misra_12_3_e4_t;
struct misra_12_3_s1 { int a; int b; int c, d; }; // 12.3
static struct misra_12_3_s1 misra_12_3_s1_inst = {
3,
4, 5,
6, // no warning
};
typedef struct misra_12_3_s2 { int a; int b; int c, d; } misra_12_3_s2_t; // 12.3
typedef struct { int a; int b; int c, d; } misra_12_3_s3_t; // 12.3
static void misra_12_3_fn1(int, int); static int misra_12_3_v5, misra_12_4_v6; // 12.3 8.2
static void misra_12_3_fn2(int a, int b) // 2.7
{ int d, e; } // 12.3
static int misra_12_3_fn3(int a, int b) { return a+b;} static int misra_12_3_v5, misra_12_4_v6; // 12.3
static void misra_12_3_fn4(const uint32_t value, uint8_t * const y) {} // 2.7
static void misra_12_3_fn5(const uint32_t * const, const uint8_t) {} // 2.7 8.2
extern void misra_12_3_fn6(const uint32_t value, uint8_t * const y);
extern uint32_t misra_12_3_fn7(const uint32_t * const, const uint8_t); // 8.2
#define MISRA_12_3_FN3_1(A, B) (misra_12_3_fn3(A, B))
#define MISRA_12_3_FN3_2(A, B) (misra_12_3_fn3(A, \
B))
#define MISRA_12_3_FN3_2_MSG(x) x, fflush(stderr)
static void misra_12_3(int, int, int); // 8.2
void misra_12_3(int a, int b, int c) {
int a1, a2; // 12.3
int a3; int a4; // no warning
int a5 = 9, a6; // 12.3
int a7, a8 = 11; // 12.3
int a9 = foo(), a10; // 12.3
int a11 = a = b = c; // 17.8
struct s1 {int a, b;}; int a12, a13; // 12.3
int a14, a15; misra_12_3_fn3(a14, a15); // 12.3 17.7
; int a16, a17; // 12.3
int a18; int a19, a20; // 12.3
int a21, a22; int a23; // 12.3
int a24, // 12.3
a25;
int a26
, a27; // 12.3
int a28
, // 12.3
a29;
struct misra_12_3_s2 a30 = {1, 2}, a31; // 12.3
struct misra_12_3_s2 a32, a33; // 12.3
struct misra_12_3_s2 a34, a35 = {1, 2}, a36; // 12.3
// cppcheck-suppress uninitStructMember
int a37 = MISRA_12_3_FN3_1(a34, a35), a38; // 12.3
int a39, a40 = MISRA_12_3_FN3_1(a34, a35); // 12.3
int a41 = MISRA_12_3_FN3_2(a34, a35), a42; // 12.3
int a43, a44 = MISRA_12_3_FN3_2(a34, a35); // 12.3
MISRA_12_3_FN3_2_MSG(fprintf(stderr, "test\n")); // 12.3
f((1,2),3); // TODO
// third clause: 2 persistent side effects instead of 1 (14.2)
for (i=0; i<10; i++, j++){} // 12.3 14.2
for (int i = 0, p = &a1; // 12.3 14.2
i < 42;
++i, ++p ) // 12.3
{}
// No false positives in local and extern function calls
misra_12_3_fn4(misra_12_3_fn5(&a1, 32), &a1);
misra_12_3_fn4(misra_12_3_fn7(&a1, 32), &a1);
misra_12_3_fn6(misra_12_3_fn5(&a1, 32), &a1);
misra_12_3_fn6(misra_12_3_fn7(&a1, 32), &a1);
misra_12_3_fn7(maxlen, fn(va, unsigned long), false);
misra_12_3_fn8(maxlen, (unsigned long)((uintptr_t)fn(va, void*)), false);
const struct fun_t
{
int64_t x;
uint32_t y;
} moreFun[2U] =
{
{ 900000000000000LL, 0x20000UL },
{ 450000000000000LL, 0x10000UL }
};
}
#define MISRA12_4a 2000000000u
#define MISRA12_4b 4000000000u
static void misra_12_4(uint8_t t) {
x = 123456u * 123456u; // 12.4
x = MISRA12_4a + MISRA12_4b; // 12.4
x = 0u - 1u; // 12.4
x = t ? 0u : (0u-1u); // 12.4
}
struct misra_13_1_t { int a; int b; };
uint8_t misra_13_1_x = 0; // 8.4
static void misra_13_1_bar(uint8_t a[2]);
static void misra_13_1(int *p) {
volatile int v;
int a1[3] = {0, (*p)++, 2}; // 13.1
int a2[3] = {0, ((*p) += 1), 2}; // 13.1
int a3[3] = {0, ((*p) = 19), 2}; // 13.1
misra_13_1_bar((uint8_t[2]){ misra_13_1_x++, misra_13_1_x++ } ); // 13.1
int b[2] = {v,1};
struct misra_13_1_t c = { .a=4, .b=5 }; // no fp
volatile int vv;
int v = 42;
int a1[3] = { 0, (*p)++, 2 }; // 13.1
int a2[2] = { [0]=19, [1]=42 };
int a3[2] = { [0]=v, [1]=42 };
int a4[2] = { [0]=0, [1]=(v+=1) }; // 13.1
int a5[2] = { [0]=0, [1]=(v+1) };
int a6[2] = { v, 1 };
int a6[2] = { v >>= 3 }; // 13.1 9.3
int a7[2] = { v, ++v }; // 13.1
int a8[1] = { vv }; // TODO: 13.1 Trac #9504
struct misra_13_1_t c01 = { 4, 5 };
struct misra_13_1_t c02 = { 16 == 1, 5+1 };
struct misra_13_1_t c03 = { (v += 1), 5+1 }; // 13.1
struct misra_13_1_t c04 = { v <<= 1, 5+1 }; // 13.1
struct misra_13_1_t c05 = { v += 1, 5+1 }; // 13.1
struct misra_13_1_t c06 = { (4.5 + 0.5), 1 };
struct misra_13_1_t c07 = { (4.5 + 0.5), ++v }; // 13.1
struct misra_13_1_t c08 = { (int)4.5, 5 };
struct misra_13_1_t c09 = { (int)4.5+(*p)++, 5 }; // 13.1
struct misra_13_1_t c10 = { (int)4.5, (*p)++ }; // 13.1
struct misra_13_1_t c11 = { .a=4+1, .b=3/3 };
struct misra_13_1_t c12 = { .a=4, .b=5 };
struct misra_13_1_t c13 = { (*v)<<=(int)(4.5), .b=5 }; // 13.1
struct misra_13_1_t c14 = { (*p)/=(int)(4.5) }; // 13.1
}
// Large arrays for R13.1. Size exceeds default Python's max recursion depth.
static uint8_t misra_13_1_large_ok[1024] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static uint8_t misra_13_1_large_bad[1024] = { // 13.1
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, i++, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static void misra_13_3(void) {
x = y++; // 13.3
}
#define STRING_DEF_13_4 "This is a string"
typedef struct
{
char string[sizeof(STRING_DEF_13_4)];
} s13_4_t;
static s13_4_t s13_4 =
{
.string = STRING_DEF_13_4 // no-warning
};
static void misra_13_4(int x, int z) {
int y;
if (x != (y = z)) {} // 13.4
else {}
}
static void misra_13_5(void) {
int x = 0;
int y = 0;
if (x && (y++ < 123)){} // 13.5
if (x || ((y += 19) > 33)){} // 13.5
if (x || ((y = 25) > 33)){} // 13.5 13.4
if (x || ((--y) > 33)){} // 13.5
else {}
}
static void misra_13_6(void) {
int a = sizeof(x|=42); // 13.6
a = sizeof(--x); // 13.6 13.3
return sizeof(x++); // 13.6
}
static void misra_14_1(void) {
for (float f=0.1f; f<1.0f; f += 0.1f){} // 14.1
float a = 0.0f;
int b = 10;
while ((a<100.0f) || (b > 100)) //14.1
{
a++;
}
do
{
;
} while ( a < 10.0f ); // no-warning
}
static void misra_14_2_init_value(int32_t *var) {
*var = 0;
}
static void misra_14_2_init_value_1(int32_t *var);
static void misra_14_2_fn1(bool b) {
for (;i++<10;) {} // 14.2
for (;i<10;dostuff()) {} // 14.2
int32_t g = 0;
int g_arr[42];
g += 2; // no-warning
for (int32_t i2 = 0; i2 < 8; ++i2) {
i2 += 2; // 14.2
i2 |= 2; // 14.2
g += 2;
i2 ^= 2; // 14.2
if (i2 == 2) {
g += g_arr[i2]; // cppcheck-suppress legacyUninitvar
}
misra_14_2_init_value(&i2); // TODO: Fix false negative in function call
}
int i1;
int i2;
for (misra_14_2_init_value(&i1); i1 < 10; ++i1) {} // no-warning
for (misra_14_2_init_value_1(&i2); i2 < 10; ++i2) {} // no-warning
for (misra_14_2_init_value_2(&i2); i2 < 10; ++i2) {} // no-warning
bool abort = false;
for (i = 0; (i < 10) && !abort; ++i) { // 14.2 as 'i' is not a variable
if (b) {
abort = true;
}
}
for (int i = 0; (i < 10) && !abort; ++i) { // no warning
if (b) {
abort = true;
}
}
for (;;) {} // no-warning
int x = 10;
for (int i = x; i < 42; i++) {
x++; // no warning
}
// 1st clause item 2 + loop counter modification
for(x = 0; x < 10; x++) {
x++; // 14.2
}
// third clause: 2 persistent side effects instead of 1 (14.2)
for (int i = 0; i < 10; i++, x++) { // 12.3 14.2
}
// 2 loop counters, there shall be only 1
for(int i=0, j=0; (i<10) && (j<10); i++, j++) { // 12.3 14.2
}
for (int i = (x - 3); i < 42; i++) {
x ^= 3; // no warning
}
for (int i = 0, j = 19; i < 42; i++) { // 12.3 14.2
i += 12; // 14.2
j /= 3; // TODO: 14.2
}
for (int i = 0; i < 19; i++) {
for (int j = 0; j < 42; j++) {
i--; // 14.2
for (int k = j; k > 5; k--) {
i++; // 14.2
for (int h = 35; h > 5; k++) // 14.2
{}
}
}
}
static struct
{
uint16_t block;
bool readSuccessful;
int32_t i;
}
opState;
for (opState.block = 0U; opState.block < 10U; opState.block++) {;} //no-warning
for (misra_14_2_init_value(&opState.i); opState.i < 10; ++opState.i) {} //no-warning
}
static void misra_14_2_fn2(void)
{
int y = 0;
// Handle cases when i is not treated as loop counter according MISRA
// definition.
for (int i = 0, j = 19; y < 10, --j > 10; y++, j--) { // 14.2 12.3
i++; // no warning
}
for (int i = 0, j = 19; y < 10, --j > 10; y++, j--) { // 14.2 12.3
i++; // no warning
}
// 1st clause is not empty, but is not used in 2nd and 3rd clause
for (int i = 0; y < 10; y++) { // 14.2
i++; // no warning
}
for (; y < 10; y++) {} // without 1st clause, no error
for (int i = 0; i < 10; y++) { // 14.2
i++; // no warning
}
for (int i = 0; y < 10; i++) { // 14.2
i++; // no warning
}
for (int i = 0; i < 10; (y+=i)) { // 14.2
i++; // no warning
}
// i is a loop counter according MISRA definition
for (int i = 0; i < 10; i++) {
i++; // 14.2
if (++i > 5) { // 14.2
break;
}
}
for (int i = 0; i < 10; (i+=42)) {
i++; // 14.2
}
for (int i = 0; i < 10; (i|=y)) {
i++; // 14.2
}
return 0;
}
struct {
unsigned int x:1;
unsigned int y:1;
} r14_4_struct; // 8.4
static void misra_14_4(bool b) {
if (x+4){} //config
else {}
if (b) {}
else {}
if (r14_4_struct.x) {}
// #12079
if (z) {} //config
}
static void misra_15_1(void) {
goto a1; // 15.1
a1:
}
static void misra_15_2(void) {
label:
goto label; // 15.2 15.1
}
static void misra_15_3(int a) {
int x = 0;
int y;
if (x!=0) {
goto L1; // 15.3 15.1
if (y!=0) {
L1:
} else {}
} else {}
switch (x) {
case 0:
if (x == y) {
goto L2; // 15.3 15.1
}
goto L2; // 15.3 15.1
L3:
foo();
if (a == 0x42) {
// Compliant:
goto L3; // 15.1 15.2
}
break;
case 1:
y = x;
L2:
++x;
break;
default:
break;
}
}
static void misra_15_4(void) {
misra_15_4_label:
return;
int x = 0;
int y = 0;
int z = 0;
// Break on different loop scopes
for (x = 0; x < 42; ++x) {
if (x==1) {
break;
}
for (y = 0; y < 42; ++y) { // 15.4
if (y==1) {
break;
}
if (y==2) {
break;
}
for (z = 0; y < 42; ++z) { // 14.2
if (z==1) {
break;
}
}
}
}
// Break in while loop
do { // 15.4
if(x == 1) {
break;
}
if(x == 2) {
break
}
x++;
} while(x != 42);
// Break and goto in same loop
for (int x = 0; x < 10; ++x) { // 15.4
if (x == 1) {
break;
}
if (x == 2) {
goto misra_15_4_label; // 15.1 15.2
}
}
// Inner loop uses goto
for (x = 0; x < 42; ++x) { // 15.4
if (x==1) {
break;
}
for (y = 0; y < 42; ++y) {
if (y == 1) {
goto misra_15_4_label; // 15.1 15.2
}
}
}
// Allow switch with multiple breaks inside loop
for (x = 0; x < 42; ++x) {
switch (x) {
case 1:
break;
default:
break;
}
}
// Do not allow switch with multiple gotos inside loop
for (x = 0; x < 42; ++x) { // 15.4
switch (x) {
case 1:
goto misra_15_4_label; // 15.1 15.2
break;
default:
goto misra_15_4_label; // 15.1 15.2
break;
}
}
}
static int misra_15_5(int x) {
if (x!=0) {
return 1; // 15.5
} else {}
return 2;
}
static void misra_15_6(int x) {
if (x!=0); // 15.6
else{}
#if A>1 // 20.9
(void)0;
#endif
#if A > 0x42 // 20.9
if (true) {
(void)0;
}
if (true)
#endif
{ (void)0; } // no-warning
do {} while (x<0); // no-warning
}
static void misra_15_6_fp(void)
{
uint8_t value = 0U;
do // Test
{
value++;
}
while (value < 2U);
}
#if defined(M_20_9) && M_20_9 > 1 // no-warning (#10380)
#endif
static void misra_15_7(int x, int a, int b) {
uint32_t var = 0;
uint32_t var2 = 0;
if (x!=0){} // no-warning
if (x!=0){} else if(x==1){} // 15.7
if (x!=0){} else if(x==1){}else{;} // no-warning
if (x!=0)
{
}
else
{
var = 5u;
if (var != 5u)
{
var2 = 10u;
} // no-warning
}
if (a==2) {} else if (b==4) {} // 15.7
if (a==2) {} else { if (b==4) {} } // no-warning
}
static void misra_16_1(int32_t i) {
switch (i) {
int8_t x; // 16.1
default: // 16.3 16.5
break;
if (i != 18) {} // 16.1
case 1: // 16.3
break;
}
}
static void misra_16_2(int y) {
switch (x) {
default:
break;
case 1:
while (y>4) {
case 2: break; // 16.2
}
break;
}
}
static void misra_16_3(int b) {
int a;
switch (x) {
case 1:
case 2:
a=1;
case 3: // 16.3
a=2;
// fallthrough
case 5:
break;
case 7:
a=3;
[[fallthrough]];
case 8:
a=4;
break;
case 9:
if (a==b) {
break;
}
case 10: // 16.3
return; // 15.5
case 11:
{ break; }
case 12:
default: break;
}
switch (x) {
case 1: // comment 1
{
a = 1;
break;
}
case 2: // comment 2
{
a = 2;
break;
}
default:
{
break;
}
}
switch (x) {
case 1:
break;
default: // 16.5
x++;
case 19: // 16.3
break;
case 20:
x + 2;
x + 3;
break;
}
switch (x) { // 16.6
default:;
} // 16.3
switch (x) { default:; } // 16.3 16.6
switch (x) {
case 20:
x + 2;
x + 3;
break;
case 21:
x + 2;
x + 3;
break;
default:
;
} // 16.3
switch (x) { // 16.4 16.6
case 1:
x++;
break;
case 2:
x++;
} // 16.3
#define M_16_3(a,b,default) { (a), (b), (default) },
}
static void misra_16_4(void) {
switch (x) { // 16.4
case 1:
break;
case 2:
break;
}
}
static void misra_16_5(void) {
switch (x) {
case 1:
break;
default: // 16.5
break;
case 2:
break;
}
}
static void misra_16_6(void) {
switch (x) { // 16.6
default:
break;
}
switch (x) {
case 1: break;
case 2: break;
default: break;
}
// No 16 6 in this switch:
switch (x) {
case A: return 1; // 15.5
case B: return 1; // 15.5
case C: return 1; // 15.5
default: return 2; // 15.5
}
}
static void misra_16_7(void) {
switch (x != 123) { // 16.7
case 1:
break;
default:
break;
}
}
static void misra_17_1(void) {
va_list(); // 17.1 17.7
va_arg(); // 17.1
va_start(); // 17.1
va_end(); // 17.1
va_copy(); // 17.1
}
static void misra_17_2_ok_1(void) { ; }
static void misra_17_2_ok_2(void) {
misra_17_2_ok_1(); // no-warning
}
static void misra_17_2_1(void) {
misra_17_2_ok_1(); // no-warning
misra_17_2_1(); // 17.2
misra_17_2_ok_2(); // no-warning
misra_17_2_1(); // 17.2
}
static void misra_17_2_2(void) {
misra_17_2_3(); // 17.2
}
static void misra_17_2_3(void) {
misra_17_2_4(); // 17.2
}
static void misra_17_2_4(void) {
misra_17_2_2(); // 17.2
misra_17_2_3(); // 17.2
}
static void misra_17_2_5(void) {
misra_17_2_ok_1(); // no-warning
misra_17_2_5(); // 17.2
misra_17_2_1(); // no-warning
}
bool (*dostuff)(); //8.2 8.4
static void misra_17_3(void) {
if (dostuff()) {}
}
static void misra_config(const char* str) {
if (strlen(str) > 3){} //10.4
if (sizeof(int) > 1){} //10.4
}
static void misra_17_6(int x[static 20]) {(void)x;} // 17.6
static int calculation(int x) { return x + 1; }
static void misra_17_7(void) {
calculation(123); // 17.7
int (*calc_ptr)(int) = &calculation;
calc_ptr(123); // 17.7
int y = calc_ptr(123);
}
static void misra_17_8(int x) {
x = 3; // 17.8
}
static void misra_18_4(void)
{
int b = 42;
int *bp = &b;
bp += 1; // 18.4
bp -= 2; // 18.4
int *p = bp - 2; // 18.4
int *ab = &b + 1; // 18.4
p = bp + p; // 18.4
bp = 1 + p + 1; // 18.4
b += 19; // no-warning
b = b + 9; // no-warning
}
static void misra_18_5(void) {
int *** p; // 18.5
}
struct {
uint16_t len;
struct {
uint8_t data_1[]; // 18.7
} nested_1;
struct named {
struct {
uint8_t len_1;
uint32_t data_2[]; // 18.7
} nested_2;
uint8_t data_3[]; // 18.7
} nested_3;
} r18_7_struct; // 8.4
struct {
uint16_t len;
int (*array_param_func_ptr)(char const *argv[], int argc); // no-warning
uint8_t data_1[ 19 ];
uint8_t data_2[ ]; // 18.7
} r18_7_struct; // 8.4
typedef enum {
R18_8_ENUM_CONSTANT_0,
R18_8_ENUM_CONSTANT_1,
} r18_8_enum;
static void misra_18_8(int x) {
int buf1[10];
int buf2[sizeof(int)];
int vla[x]; // 18.8
// #9498
int vlb[y]; // config
static const unsigned char arr18_8_1[] = UNDEFINED_ID;
static uint32_t enum_test_0[R18_8_ENUM_CONSTANT_0] = {0};
}
union misra_19_2 { }; // 19.2
#include "notfound.h" // 20.1
#define int short // 20.4
#define inline "foo" // no warning in C90 standard
#undef X // 20.5
#define M_20_7_1(A) (A+1) // 20.7
#define M_20_7_2(A,B) (1+AB+2) // no warning
#define M_20_7_3(A) ((A)+A) // 20.7
#define M_20_7_4(A) x##A // 20.10 this test was written to see there are not FPs
#define M_20_7_5(A,B) f(A, B) // no warning
#define M_20_7_6(x) a ## x = ( x ) // 20.10
#define M_20_7_7(x) a = # x // 20.10
#define M_20_7_8(x, fn) a = fn ( # x ) // 20.7 20.10
#define M_20_7_9(x, fn) a = (fn) ( # x ) // 20.10
#define M_20_7_10(A, B) (A " " B)
#define M_20_7_11(A, B, C) (A " " B " " C)
#define M_20_7_12(A, B, C) (A " " B + C) // 20.7
#define M_20_7_13(A, B, C) (A + B " " C) // 20.7
#define M_20_7_14(STRING1, STRING2) (STRING1 " " STRING2)
#define M_20_7_15(STRING1, STRING2, STRING3) (STRING1 " " STRING2 " " STRING3)
#define M_20_7_16(STRING1, STRING2, STRING3) (STRING1 " " STRING2 + STRING3) // 20.7
#define M_20_7_17(STRING1, STRING2, STRING3) (STRING1 + STRING2 " " STRING3) // 20.7
// Compliant: M is a structure member name, not an expression
struct { int a; } struct_20_7_s; // 8.4
#define M_20_7_6(M) struct_20_7.M
#define M_20_7_7(M) (struct_20_7).M
#define MUL(a ,b ) ( a * b ) // 20.7
#if __LINE__ // 20.8
#elif 2+5 // 20.8
#elif 2-2
#endif
#if A // 20.9
#elif B || C // 20.9
#endif
#define M_20_10(a) (#a) // 20.10
#define M_20_11(a) # a ## 1 // 20.11 20.10
#define M_20_12_AA 0xffff
#define M_20_12_BB(x) (x) + wow ## x // 20.12 20.10
misra_20_12 = M_20_12_BB(M_20_12_AA);
#else1 // 20.13
#ifdef A
# define somethingis 5 // no warning
# define func_20_13(v) (v) // no warning
#else
# definesomethingis 6 // 20.13
# def fun_2013(v) () // 20.13
#endif
#define _Incompatible 0xdeadbeef // 21.1
#define __Incompatible 0xdeadbeef // 21.1
#define __starts_with_lower 0xdeadbeef // 21.1
#define __MY_HEADER_ // 21.1
#define _macro_starts_with_lower 1 // no warning
static int _file_scope_id_21_1 = 42; // no warning
static int _file_scope_id_21_1_fn(void) { return 42; } // no warning
static int misra_21_1(void) {
int _a = 42; // no warning: only directives affected
errno = EINVAL; // no warning
_a ++; // no warning
_exit(1); // no warning
return _a; // no warning
}
static int _misra_21_1_2(void); // no warning
#define errno 11 // 21.1
#undef errno // 20.5
#define __BUILTIN_SOMETHING 123 // 21.2 21.1
extern void *memcpy ( void *restrict s1, const void *restrict s2, size_t n ); // 21.2 8.14
static void misra_21_3(void) {
p1=malloc(10); // 21.3
p2=calloc(10); // 21.3
realloc(10); // 21.3
free(p1); // 21.3
}
static void misra_21_7(void) {
(void)atof(str); // 21.7
(void)atoi(str); // 21.7
(void)atol(str); // 21.7
(void)atoll(str); // 21.7
}
static void misra_21_8(void) {
abort(); // 21.8
(void)getenv("foo"); // 21.8
exit(-1); // 21.8
}
static void misra_21_9(void) {
(void)bsearch(key,base,num,size,cmp); // 21.9
qsort(base,num,size,cmp); // 21.9
}
static void misra_21_12(void) {
int rc;
fexcept_t f; // 21.12
rc = feclearexcept(1); // 21.12
rc = fegetexceptflag(&f, 1); // 21.12
rc = feraiseexcept(1); // 21.12
rc = fesetexceptflag(&f, 1); // 21.12
rc = fetestexcept(1); // 21.12
}
static void misra_21_14(uint8_t *x) {
(void)strcpy(x, "123");
(void)memcmp(x, y, 100); // 21.14
(void)memcmp("abc", y, 100); // 21.14 21.16
}
static void misra_21_15(uint8_t *x, uint16_t *y) {
(void)memcpy(x, y, 10); // 21.15
(void)memmove(x, y, 10); // 21.15
(void)memcmp(x, y, 10); // 21.15
}
struct misra_21_16_S { int a; int b; };
static void misra_21_16_f1(struct misra_21_16_S *s1, struct misra_21_16_S *s2) {
(void)memcmp(s1, s2, 10); // 21.16
}
static void misra_21_16_f2(char *x, char *y) {
(void)memcmp(x, y, 10); // 21.16
}
static void misra_21_19(void) {
char *s = setlocale(LC_ALL,0); // 21.19
const struct lconv *conv = localeconv ();
conv->decimal_point = "^"; // 21.19
}
static void misra_21_20(void) {
const char *res1 = setlocale ( LC_ALL, 0 );
(void) setlocale ( LC_MONETARY, "French" );
if (res1) {} // 21.20 14.4
}
static void misra_21_21(void) {
(void)system("ls"); // 21.21
}
static void misra_22_5(FILE *f) {
int x = *f; // 22.5
int y = f->pos; // 22.5
}
static void misra_22_7(char ch)
{
if (EOF == ch) {} // 22.7
}
static void misra_22_8(void)
{
(void)strtoll("123", NULL, 10); // 22.8
if (errno == 0) {}
}
static void misra_22_9(void)
{
errno = 0;
(void)strtoll("123", NULL, 10); // 22.9
}
static void misra_22_10(void)
{
errno = 0;
f = atof ( "A.12" ); // 21.7
if ( 0 == errno ) {} // 22.10
errno = 0;
f = strtod ( "A.12", NULL );
if ( 0 == errno ) {}
// #10855
f = strtol(numbuf, 0, (formatHex == 0U) ? 0 : 16);
if (errno != 0) {}
// #11752
#define NULL_PTR ((void*)0)
f = strtod(inStr, NULL_PTR);
if(errno != 0) {}
}
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