...
This compliant solution uses the POSIX strerror_r() function, which has the same functionality as strerror() but guarantees thread safety.:
| Code Block | ||||
|---|---|---|---|---|
| ||||
errno = 0;
FILE* fd = fopen( filename, "r");
if (fd == NULL) {
char errmsg[BUFSIZ];
if (strerror_r(errno, errmsg, BUFSIZ) != 0) {
/* handle error */
}
printf("Could not open file because of %s\n", errmsg);
} |
...
Tool | Version | Checker | Description |
|---|---|---|---|
Compass/ROSE |
|
| A module written in Compass/ROSE can detect violations of this rule. |
Related Guidelines
| CERT C++ Secure Coding Standard | CON03-CPP. Avoid assuming functions are thread safe unless otherwise specified |
...