...
| Code Block | ||||
|---|---|---|---|---|
| ||||
#include <wchar.h> /* For mbrlen(), mbstate_t, and size_t */
#include <string.h> /* For strlen() */
void func(const char *mbs) {
size_t len;
mbstate_t state;
len = mbrlen(mbs, strlen(mbs), &state);
/* ... */
}
|
...
| Code Block | ||||
|---|---|---|---|---|
| ||||
#include <wchar.h> /* For mbrlen(), mbstate_t, and size_t */
#include <string.h> /* For strlen() */
void func(const char *mbs) {
size_t len;
mbstate_t state;
memset(&state, 0, sizeof(state));
len = mbrlen(mbs, strlen(mbs), &state);
/* ... */
}
|
...
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
EXP33-C | highHigh | probableProbable | mediumMedium | P12 | L1 |
Automated Detection
| Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Compass/ROSE | Automatically detects simple violations of this rule, although it may return some false positives. It may not catch more complex violations, such as initialization within functions taking uninitialized variables as arguments. It does catch the second noncompliant code example, and can be extended to catch the first as well | ||||||||
| Coverity | 6.5 | UNINIT NO_EFFECT | Fully implemented Can find cases of an uninitialized variable being used before it is initialized, although it cannot detect cases of uninitialized members of a | ||||||
| Fortify SCA | Can detect violations of this rule but will return false positives if the initialization was done in another function | ||||||||
| GCC | 4.3.5 | Can detect some violations of this rule when the | |||||||
| 9.1 | UNINIT.HEAP.MIGHT | ||||||||
| 57 D | Fully implemented | |||||||
| PRQA QA-C |
| 2961 (D) 2962 (A) 2963 (S) 2971 (D) 2972 (A) | Fully implemented | ||||||
| Splint | 3.1.1 |
...