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| Code Block | ||
|---|---|---|
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char * func() { char a[10] ; /* Operate on a[0] */ return &a[0]; } |
Compiling with appropriate warning levels should generate a warning when a local stack variable is returned from a function.
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Correcting this example depends on the intent of the programmer. If the intent is to modify the value of a0 and have it available outside of func(), then a can be declared elsewhere and passed as an parameter to func().
| Code Block | ||
|---|---|---|
| ||
void func(char a[]) {
/* Operate on a[0] */
return;
}
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Risk Assessment
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