高质量c编程指南

d)O3\r(\rdelete[]m_data;\r//S:m_dataTUV WXYZ[D\deletem_data;\r//String./P \rString::String(constchar*str)O6\r(\rif(str==NULL)\r(\rm_data=newchar[1];//abcNULLdefgh\r*m_data='\0’;\r)EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\relse\rintlength=strlen(str);\rm_data=newchar[length+1];//abcNULLdefgh\rstrcpy(m_data,str);\r)\r)\r//23P \rString::String(constStringfeother)O3\r(\rintlength=strlen(other.m_data);\rm_data=newchar[length+1];//abcNULLdefgh\rstrcpy(m_data,other.m__data);\r)\r//p? \rString&String::operate=(constString&other)//13\r(\r//(1)qrsp?O4\rif(this==feother)\rreturn*this;\r//(2)tuvU<wxO3\rdelete[]m_data;\r//(3)?yzU<wxX{|}U~O3\rintlength=strlen(other.m_data);\rm_data=newchar[length+1];//abcNULLdefgh\rstrcpy(m_data,other.m__data);\r//(4)€‚ƒ„9O3\rreturn*this;