forked from Mirrorlandia_minetest/minetest
Use const references for Settings methods
Also check for (this == &other) before locking mutexes.
This commit is contained in:
ShadowNinja
parent
b97c9c6577
commit
cd64a92a8c
141
src/settings.h
141
src/settings.h
@ -63,11 +63,11 @@ public:
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{
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}
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void writeLines(std::ostream &os)
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void writeLines(std::ostream &os) const
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{
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JMutexAutoLock lock(m_mutex);
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for(std::map<std::string, std::string>::iterator
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for(std::map<std::string, std::string>::const_iterator
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i = m_settings.begin();
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i != m_settings.end(); ++i)
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{
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@ -78,9 +78,10 @@ public:
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}
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// return all keys used
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std::vector<std::string> getNames(){
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std::vector<std::string> getNames() const
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{
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std::vector<std::string> names;
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for(std::map<std::string, std::string>::iterator
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for(std::map<std::string, std::string>::const_iterator
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i = m_settings.begin();
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i != m_settings.end(); ++i)
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{
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@ -90,7 +91,7 @@ public:
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}
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// remove a setting
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bool remove(const std::string& name)
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bool remove(const std::string &name)
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{
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return m_settings.erase(name);
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}
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@ -289,7 +290,7 @@ public:
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// If something not yet determined to have been changed, check if
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// any new stuff was added
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if(!something_actually_changed){
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for(std::map<std::string, std::string>::iterator
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for(std::map<std::string, std::string>::const_iterator
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i = m_settings.begin();
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i != m_settings.end(); ++i)
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{
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@ -314,7 +315,7 @@ public:
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/*
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Write updated stuff
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*/
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for(std::list<std::string>::iterator
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for(std::list<std::string>::const_iterator
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i = objects.begin();
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i != objects.end(); ++i)
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{
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@ -324,7 +325,7 @@ public:
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/*
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Write stuff that was not already in the file
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*/
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for(std::map<std::string, std::string>::iterator
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for(std::map<std::string, std::string>::const_iterator
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i = m_settings.begin();
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i != m_settings.end(); ++i)
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{
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@ -421,14 +422,14 @@ public:
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return true;
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}
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void set(std::string name, std::string value)
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void set(const std::string &name, std::string value)
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{
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JMutexAutoLock lock(m_mutex);
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m_settings[name] = value;
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}
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void set(std::string name, const char *value)
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void set(const std::string &name, const char *value)
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{
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JMutexAutoLock lock(m_mutex);
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@ -436,22 +437,22 @@ public:
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}
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void setDefault(std::string name, std::string value)
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void setDefault(const std::string &name, std::string value)
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{
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JMutexAutoLock lock(m_mutex);
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m_defaults[name] = value;
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}
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bool exists(std::string name) const
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bool exists(const std::string &name) const
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{
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JMutexAutoLock lock(m_mutex);
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return m_settings.find(name) != m_settings.end()
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|| m_defaults.find(name) != m_defaults.end();
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return (m_settings.find(name) != m_settings.end() ||
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m_defaults.find(name) != m_defaults.end());
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}
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std::string get(std::string name) const
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std::string get(const std::string &name) const
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{
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JMutexAutoLock lock(m_mutex);
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@ -464,12 +465,12 @@ public:
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}
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//////////// Get setting
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bool getBool(std::string name) const
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bool getBool(const std::string &name) const
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{
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return is_yes(get(name));
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}
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bool getFlag(std::string name) const
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bool getFlag(const std::string &name) const
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{
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try {
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return getBool(name);
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@ -478,27 +479,27 @@ public:
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}
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}
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float getFloat(std::string name) const
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float getFloat(const std::string &name) const
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{
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return stof(get(name));
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}
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u16 getU16(std::string name) const
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u16 getU16(const std::string &name) const
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{
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return stoi(get(name), 0, 65535);
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}
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s16 getS16(std::string name) const
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s16 getS16(const std::string &name) const
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{
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return stoi(get(name), -32768, 32767);
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}
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s32 getS32(std::string name) const
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s32 getS32(const std::string &name) const
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{
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return stoi(get(name));
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}
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v3f getV3F(std::string name) const
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v3f getV3F(const std::string &name) const
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{
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v3f value;
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Strfnd f(get(name));
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@ -509,7 +510,7 @@ public:
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return value;
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}
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v2f getV2F(std::string name) const
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v2f getV2F(const std::string &name) const
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{
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v2f value;
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Strfnd f(get(name));
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@ -519,7 +520,7 @@ public:
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return value;
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}
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u64 getU64(std::string name) const
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u64 getU64(const std::string &name) const
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{
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u64 value = 0;
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std::string s = get(name);
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@ -528,7 +529,8 @@ public:
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return value;
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}
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u32 getFlagStr(std::string name, FlagDesc *flagdesc, u32 *flagmask) const
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u32 getFlagStr(const std::string &name, const FlagDesc *flagdesc,
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u32 *flagmask) const
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{
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std::string val = get(name);
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return std::isdigit(val[0])
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@ -538,8 +540,8 @@ public:
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// N.B. if getStruct() is used to read a non-POD aggregate type,
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// the behavior is undefined.
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bool getStruct(std::string name, std::string format,
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void *out, size_t olen) const
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bool getStruct(const std::string &name, const std::string &format,
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void *out, size_t olen) const
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{
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std::string valstr;
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@ -556,7 +558,7 @@ public:
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}
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//////////// Try to get value, no exception thrown
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bool getNoEx(std::string name, std::string &val) const
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bool getNoEx(const std::string &name, std::string &val) const
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{
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try {
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val = get(name);
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@ -569,7 +571,7 @@ public:
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// N.B. getFlagStrNoEx() does not set val, but merely modifies it. Thus,
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// val must be initialized before using getFlagStrNoEx(). The intention of
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// this is to simplify modifying a flags field from a default value.
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bool getFlagStrNoEx(std::string name, u32 &val, FlagDesc *flagdesc) const
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bool getFlagStrNoEx(const std::string &name, u32 &val, FlagDesc *flagdesc) const
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{
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try {
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u32 flags, flagmask;
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@ -585,7 +587,7 @@ public:
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}
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}
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bool getFloatNoEx(std::string name, float &val) const
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bool getFloatNoEx(const std::string &name, float &val) const
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{
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try {
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val = getFloat(name);
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@ -595,7 +597,7 @@ public:
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}
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}
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bool getU16NoEx(std::string name, int &val) const
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bool getU16NoEx(const std::string &name, int &val) const
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{
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try {
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val = getU16(name);
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@ -605,7 +607,7 @@ public:
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}
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}
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bool getU16NoEx(std::string name, u16 &val) const
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bool getU16NoEx(const std::string &name, u16 &val) const
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{
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try {
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val = getU16(name);
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@ -615,7 +617,7 @@ public:
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}
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}
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bool getS16NoEx(std::string name, int &val) const
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bool getS16NoEx(const std::string &name, int &val) const
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{
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try {
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val = getU16(name);
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@ -625,7 +627,7 @@ public:
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}
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}
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bool getS16NoEx(std::string name, s16 &val) const
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bool getS16NoEx(const std::string &name, s16 &val) const
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{
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try {
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val = getS16(name);
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@ -635,7 +637,7 @@ public:
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}
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}
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bool getS32NoEx(std::string name, s32 &val) const
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bool getS32NoEx(const std::string &name, s32 &val) const
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{
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try {
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val = getS32(name);
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@ -645,7 +647,7 @@ public:
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}
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}
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bool getV3FNoEx(std::string name, v3f &val) const
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bool getV3FNoEx(const std::string &name, v3f &val) const
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{
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try {
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val = getV3F(name);
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@ -655,7 +657,7 @@ public:
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}
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}
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bool getV2FNoEx(std::string name, v2f &val) const
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bool getV2FNoEx(const std::string &name, v2f &val) const
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{
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try {
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val = getV2F(name);
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@ -665,7 +667,7 @@ public:
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}
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}
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bool getU64NoEx(std::string name, u64 &val) const
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bool getU64NoEx(const std::string &name, u64 &val) const
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{
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try {
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val = getU64(name);
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@ -679,7 +681,7 @@ public:
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// N.B. if setStruct() is used to write a non-POD aggregate type,
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// the behavior is undefined.
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bool setStruct(std::string name, std::string format, void *value)
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bool setStruct(const std::string &name, const std::string &format, void *value)
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{
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std::string structstr;
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if (!serializeStructToString(&structstr, format, value))
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@ -689,50 +691,47 @@ public:
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return true;
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}
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void setFlagStr(std::string name, u32 flags,
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FlagDesc *flagdesc, u32 flagmask)
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void setFlagStr(const std::string &name, u32 flags,
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const FlagDesc *flagdesc, u32 flagmask)
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{
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set(name, writeFlagString(flags, flagdesc, flagmask));
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}
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void setBool(std::string name, bool value)
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void setBool(const std::string &name, bool value)
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{
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if(value)
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set(name, "true");
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else
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set(name, "false");
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set(name, value ? "true" : "false");
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}
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void setFloat(std::string name, float value)
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void setFloat(const std::string &name, float value)
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{
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set(name, ftos(value));
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}
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void setV3F(std::string name, v3f value)
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void setV3F(const std::string &name, v3f value)
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{
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std::ostringstream os;
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os<<"("<<value.X<<","<<value.Y<<","<<value.Z<<")";
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set(name, os.str());
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}
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void setV2F(std::string name, v2f value)
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void setV2F(const std::string &name, v2f value)
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{
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std::ostringstream os;
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os<<"("<<value.X<<","<<value.Y<<")";
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set(name, os.str());
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}
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void setS16(std::string name, s16 value)
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void setS16(const std::string &name, s16 value)
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{
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set(name, itos(value));
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}
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void setS32(std::string name, s32 value)
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void setS32(const std::string &name, s32 value)
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{
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set(name, itos(value));
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}
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void setU64(std::string name, u64 value)
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void setU64(const std::string &name, u64 value)
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{
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std::ostringstream os;
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os<<value;
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@ -747,60 +746,54 @@ public:
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m_defaults.clear();
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}
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void updateValue(Settings &other, const std::string &name)
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void updateValue(const Settings &other, const std::string &name)
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{
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JMutexAutoLock lock(m_mutex);
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if(&other == this)
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if (&other == this)
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return;
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try{
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JMutexAutoLock lock(m_mutex);
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try {
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std::string val = other.get(name);
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m_settings[name] = val;
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} catch(SettingNotFoundException &e){
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} catch (SettingNotFoundException &e) {
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}
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return;
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}
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void update(Settings &other)
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void update(const Settings &other)
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{
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if (&other == this)
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return;
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JMutexAutoLock lock(m_mutex);
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JMutexAutoLock lock2(other.m_mutex);
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if(&other == this)
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return;
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m_settings.insert(other.m_settings.begin(), other.m_settings.end());
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m_defaults.insert(other.m_defaults.begin(), other.m_defaults.end());
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return;
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}
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Settings & operator+=(Settings &other)
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Settings & operator+=(const Settings &other)
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{
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JMutexAutoLock lock(m_mutex);
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JMutexAutoLock lock2(other.m_mutex);
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if(&other == this)
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return *this;
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update(other);
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return *this;
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}
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Settings & operator=(Settings &other)
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Settings & operator=(const Settings &other)
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{
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if (&other == this)
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return *this;
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JMutexAutoLock lock(m_mutex);
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JMutexAutoLock lock2(other.m_mutex);
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if(&other == this)
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return *this;
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clear();
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(*this) += other;
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update(other);
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return *this;
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}
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@ -191,7 +191,7 @@ std::string urldecode(std::string str)
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return oss.str();
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}
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u32 readFlagString(std::string str, FlagDesc *flagdesc, u32 *flagmask)
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u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask)
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{
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u32 result = 0, mask = 0;
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char *s = &str[0];
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@ -225,7 +225,7 @@ u32 readFlagString(std::string str, FlagDesc *flagdesc, u32 *flagmask)
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return result;
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}
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std::string writeFlagString(u32 flags, FlagDesc *flagdesc, u32 flagmask)
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std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask)
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{
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std::string result;
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@ -334,8 +334,8 @@ inline bool is_number(const std::string& tocheck)
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std::string translatePassword(std::string playername, std::wstring password);
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std::string urlencode(std::string str);
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std::string urldecode(std::string str);
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u32 readFlagString(std::string str, FlagDesc *flagdesc, u32 *flagmask);
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std::string writeFlagString(u32 flags, FlagDesc *flagdesc, u32 flagmask);
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u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask);
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std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask);
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size_t mystrlcpy(char *dst, const char *src, size_t size);
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char *mystrtok_r(char *s, const char *sep, char **lasts);
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u64 read_seed(const char *str);
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