68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
|
|
* 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;
|
|
}
|