177 lines
3.3 KiB
C
177 lines
3.3 KiB
C
// To test:
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// ~/cppcheck/cppcheck --dump cert-test.c && python ../cert.py -verify cert-test.c.dump
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struct S {
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short a;
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short b;
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};
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#pragma pack()
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struct PackedStruct {
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short a;
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short b;
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};
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void api01()
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{
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const size_t String_Size = 20;
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struct bad_node_s
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{
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char name[String_Size];
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struct bad_node_s* next; // cert-API01-C
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}
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struct good_node_s
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{
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struct good_node_s* next;
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char name[String_Size];
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}
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struct also_good_node_s
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{
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struct also_good_node_s* next;
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char *name;
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}
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}
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void dostuff(int *data);
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void exp05()
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{
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const int x = 42;
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int y = (int)x;
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int *p;
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p = (int *)&x; // cert-EXP05-C
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const int data[] = {1,2,3,4};
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dostuff(data); // cert-EXP05-C
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}
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void print(const char *p);
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void exp05_fp() {
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print("hello");
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}
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void exp42()
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{
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struct S s1 = {1,2};
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struct S s2 = {1,2};
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memcmp(&s1, &s2, sizeof(struct S)); // cert-EXP42-C
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struct PackedStruct s3 = {1,2};
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struct PackedStruct s4 = {1,2};
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memcmp(&s3, &s4, sizeof(struct S));
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}
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void exp46()
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{
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if ((x == y) & z) {} // cert-EXP46-c
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}
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unsigned char int31(int x)
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{
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x = (unsigned char)1000; // cert-INT31-c
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x = (signed char)0xff; // cert-INT31-c
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x = (unsigned char)-1; // cert-INT31-c
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x = (unsigned long long)-1; // cert-INT31-c
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}
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void msc24()
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{
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struct S {
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int x; int fopen;
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};
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struct S s;
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time_t rawtime;
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struct tm *timeinfo;
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char buffer[256];
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int i;
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long int li;
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long long int lli;
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FILE *f;
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s.fopen = 123;
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f = fopen ("myfile.txt","w+"); //cert-MSC24-C
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setbuf ( f , buffer ) //cert-MSC24-C
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for ( i='A' ; i<='Z' ; i++)
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fputc ( n, f);
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rewind (f); //cert-MSC24-C
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fclose (f);
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time ( &rawtime );
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timeinfo = localtime ( &rawtime );
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printf ( "The current date/time is: %s", asctime (timeinfo) ); //cert-MSC24-C
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n = atof (buffer); //cert-MSC24-C
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m = sin (n*pi/180);
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i = atoi (buffer); //cert-MSC24-C
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li = atol(buffer); //cert-MSC24-C
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lli = atoll(buffer); //cert-MSC24-C
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time (&rawtime);
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printf ("The current local time is: %s", ctime (&rawtime)); //cert-MSC24-C
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freopen ("myfile.txt","w",stdout); //cert-MSC24-C
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printf ("This sentence is redirected to a file.");
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fclose (stdout);
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}
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void msc30()
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{
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unsigned int num = rand(); // cert-MSC30-c
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int rand = 5;
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int a = rand;
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}
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void exp15()
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{
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int x=5, y=7;
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if(x==y); //cert-EXP15-C
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{
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printf("not working\n");
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}
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if(x)
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;
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}
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void str03()
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{
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char *string_data=(char*)malloc(16);
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char a[16];
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int d;
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strncpy(a, string_data, sizeof(a)); //cert-STR03-C
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strncpy(a, string_data, 5); d=sizeof(int);
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}
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void str05()
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{
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int x=5, y=7;
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if(x==y); //cert-EXP15-C
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{
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printf("not working\n");
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}
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if(x)
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;
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}
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void str07(char *buf, const char *newBuf)
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{
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const char *str="test";
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strcat(buf,"bla");
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strcat(buf, str); //cert-STR07-C
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strcat(buf, newBuf); //cert-STR07-C
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strcpy(str, newBuf); //cert-STR07-C
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}
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void str11()
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{
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const char str[3]="abc"; //cert-STR11-C
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const char *x[10]; x[3]="def";
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}
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