/*

* Cppcheck - A tool for static C/C++ code analysis

* Copyright (C) 2023 Cppcheck team.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

/*

* This does not match the standard cppchek test code,

* because I haven't figured that out yet.

* This code does compile and run, and does demonstrate

* the issues that the threadsafety.py addon is supposed to find.

* It does not use threads !

*/

#include <stdio.h>

#include <time.h>

#include <string.h>

void threadsafety_static()

{

// cppcheck-suppress threadsafety-threadsafety

static unsigned int nCount = 0;

nCount++;

printf("%d\n", nCount);

}

void threadsafety_call()

{

time_t now = time(nullptr);

// cppcheck-suppress threadsafety-unsafe-call

printf("%s\n", ctime(&now));

}

// cppcheck --addon=threadsafety

// should *not* find any problems with this function.

void threadsafety_safecall()

{

char haystack[] = "alphabet";

char needle[] = "Alph";

char* found = strcasestr(haystack, needle);

printf("%s %sin %s\n", needle, found ? "" : "not ", haystack);

}

int main() {

threadsafety_static();

threadsafety_call();

threadsafety_safecall();

threadsafety_static();

return 0;

}