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/*
* 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;
}
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