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AK: Rename ValueRestorer => ScopedValueRollback.

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Qt had a pretty good name for this concept, so let's steal it. :^)
This commit is contained in:
Andreas Kling 2019-07-25 15:15:14 +02:00
parent 03b9f6b7f8
commit 9fb2a65716
Notes: sideshowbarker 2024-07-19 13:03:36 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/9fb2a657167
3 changed files with 8 additions and 8 deletions
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4
AK/LogStream.h
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@ -3,7 +3,7 @@
#include <AK/kstdio.h> #include <AK/kstdio.h>
#ifdef USERLAND #ifdef USERLAND
#include <AK/ValueRestorer.h> #include <AK/ScopedValueRollback.h>
#include <errno.h> #include <errno.h>
#endif #endif
@ -77,7 +77,7 @@ protected:
private: private:
#ifdef USERLAND #ifdef USERLAND
ValueRestorer<int> m_errno_restorer; ScopedValueRollback<int> m_errno_restorer;
#endif #endif
}; };

8
AK/ValueRestorer.h → AK/ScopedValueRollback.h
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@ -3,15 +3,15 @@
namespace AK { namespace AK {
template<typename T> template<typename T>
class ValueRestorer { class ScopedValueRollback {
public: public:
ValueRestorer(T& variable) ScopedValueRollback(T& variable)
: m_variable(variable) : m_variable(variable)
, m_saved_value(variable) , m_saved_value(variable)
{ {
} }
~ValueRestorer() ~ScopedValueRollback()
{ {
m_variable = m_saved_value; m_variable = m_saved_value;
} }
@ -23,4 +23,4 @@ private:
} }
using AK::ValueRestorer; using AK::ScopedValueRollback;

4
Libraries/LibC/stdio.cpp
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@ -1,6 +1,6 @@
#include <AK/PrintfImplementation.h> #include <AK/PrintfImplementation.h>
#include <AK/ScopedValueRollback.h>
#include <AK/StdLibExtras.h> #include <AK/StdLibExtras.h>
#include <AK/ValueRestorer.h>
#include <Kernel/Syscall.h> #include <Kernel/Syscall.h>
#include <assert.h> #include <assert.h>
#include <errno.h> #include <errno.h>
@ -510,7 +510,7 @@ FILE* popen(const char* command, const char* type)
int rc = pipe(pipe_fds); int rc = pipe(pipe_fds);
if (rc < 0) { if (rc < 0) {
ValueRestorer restorer(errno); ScopedValueRollback rollback(errno);
perror("pipe"); perror("pipe");
return nullptr; return nullptr;
} }