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VFS: Resolve FIXME in Inode::read_entire() about using dynamic allocation.

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This commit is contained in:
Andreas Kling 2019-01-28 22:55:55 +01:00
parent f83a94ca39
commit cc906a2897
3 changed files with 20 additions and 8 deletions
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14
AK/StringBuilder.cpp
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@ -11,6 +11,11 @@ inline void StringBuilder::will_append(size_t size)
m_buffer.grow(max(16u, m_buffer.size() * 2 + size));
}
StringBuilder::StringBuilder(size_t initial_capacity)
{
m_buffer.grow(initial_capacity);
}
void StringBuilder::append(const String& str)
{
if (str.is_empty())
@ -20,6 +25,15 @@ void StringBuilder::append(const String& str)
m_length += str.length();
}
void StringBuilder::append(const char* characters, size_t length)
{
if (!length)
return;
will_append(length);
memcpy(m_buffer.pointer() + m_length, characters, length);
m_length += length;
}
void StringBuilder::append(char ch)
{
will_append(1);

3
AK/StringBuilder.h
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@ -7,11 +7,12 @@ namespace AK {
class StringBuilder {
public:
StringBuilder() { }
explicit StringBuilder(size_t initial_capacity = 16);
~StringBuilder() { }
void append(const String&);
void append(char);
void append(const char*, size_t);
void appendf(const char*, ...);
String build();