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Possible Duplicate:
returning a pointer to a literal (or constant) character array (string)?
下面的代码是否正确？
const char* state2Str(enum State state)
{
switch (state)
{
case stateStopped: return "START";
case stateRunning: return "RUNNING";
default: return "UNKNOWN";
}
}
printf("State is: %s\n", state2Str(stateRunning));
让我担心的是该函数返回一个指向临时对象的指针。这种返回值的生命周期是多少？语言为 C89。