// 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 // 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" // 20.3 #include // 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 // no warning #include // 21.4 #include // 21.5 #include //21.6 #include //21.6 #include // 21.10 #include // 21.11 #include // 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 _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 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()) //14.4 { 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()); //14.4 } 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()) //14.4 { int misra_5_5_hides_macro________31y; //5.5 } } while(misra_5_5_func2()); //14.4 } 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 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[2] ufc = { {1, { 1, 2 }, { 1, 2 } }, { 2, { 1, 2 }, { 1, 2 } } }; struct_with_unknown_fields[2][2] ufd = { {1, { 1, 2 }, { 1, 2 } }, { 2, { 1, 2 }, { 1, 2 } } }; struct_with_unknown_fields[2] ufe = { 1, { 1, 2 }, { 1, 2 }, // TODO: 9.2 2, { 1, 2 }, { 1, 2 } }; struct_with_unknown_fields[3] uff = { { 1, { 1, 2 }, { 1, 2 }}, // TODO: 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)); // 10.4 a = ui16 << (get_bool(42) ? (get_bool(34) ? ui16 : ui16) : ui16); // 10.4 a = ui16 << (get_bool(42) ? i16 : (get_bool(34) ? ui16 : ui16)); // 10.1 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 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 } 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 { } } 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 FIXME: False positive for 10.6 (this is compliant). Trac #9488 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 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 } 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 } 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 } 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(void) { if (x != (y = z)) {} // 13.4 else {} } static void misra_13_5(void) { 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_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]; } misra_14_2_init_value(&i2); // TODO: Fix false negative in function call } for (misra_14_2_init_value(&i); i < 10; ++i) {} // no-warning FIXME: False positive for 14.2 Trac #9491 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 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){} // 14.4 else {} if (b) {} else {} if (r14_4_struct.x) {} } 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(void) { 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(void) { if (x!=0) { return 1; // 15.5 } else {} return 2; } static void misra_15_6(void) { 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(void) { 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(void) { switch (x) { default: break; case 1: while (y>4) { case 2: break; // 16.2 } break; } } static void misra_16_3(void) { 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 } 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 } 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; 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 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 ) {} }