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util/AllocatedString: add constant "SENTINEL"

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This commit is contained in:
Max Kellermann 2015-09-01 21:11:22 +02:00
parent 48d7fedbc0
commit ffe689363f
1 changed files with 6 additions and 4 deletions
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10
src/util/AllocatedString.hxx
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@ -47,6 +47,8 @@ public:
typedef typename StringPointer<T>::pointer pointer;
typedef typename StringPointer<T>::const_pointer const_pointer;
static constexpr value_type SENTINEL = '\0';
private:
pointer value;
@ -73,7 +75,7 @@ public:
static AllocatedString Empty() {
auto p = new value_type[1];
p[0] = value_type(0);
p[0] = SENTINEL;
return Donate(p);
}
@ -82,14 +84,14 @@ public:
static AllocatedString Duplicate(const_pointer begin,
const_pointer end) {
auto p = new value_type[end - begin + 1];
*std::copy(begin, end, p) = 0;
*std::copy(begin, end, p) = SENTINEL;
return Donate(p);
}
static AllocatedString Duplicate(const_pointer begin,
size_t length) {
auto p = new value_type[length];
*std::copy_n(begin, length, p) = 0;
*std::copy_n(begin, length, p) = SENTINEL;
return Donate(p);
}
@ -107,7 +109,7 @@ public:
}
bool empty() const {
return *value == 0;
return *value == SENTINEL;
}
pointer Steal() {