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c++ Programming Glossary: c_strHow do you construct a std::string with an embedded null? http://stackoverflow.com/questions/164168/how-do-you-construct-a-stdstring-with-an-embedded-null internal buffer that contains a C String with the method c_str . Also check out Doug .T below about using a vector char share..
http://stackoverflow.com/questions/194634/string-c-str-vs-data c_str vs. data I have read several places that the difference between.. I have read several places that the difference between c_str and data in STL and other implementations is that c_str is always.. c_str and data in STL and other implementations is that c_str is always null terminated while data is not. As far as I have..
Are there gotchas using varargs with reference parameters http://stackoverflow.com/questions/222195/are-there-gotchas-using-varargs-with-reference-parameters AnsiString buff va_start argptr format buff.vprintf format.c_str argptr va_end argptr return buff And on the basis that pass.. AnsiString buff va_start argptr format buff.vprintf format c_str argptr va_end argptr return buff ... AnsiString format Hello.. AnsiString buff va_start argptr dummy buff.vprintf format.c_str argptr va_end argptr return buff ... s1 working_dummy Hello..
Why don't the std::fstream classes take a std::string? http://stackoverflow.com/questions/32332/why-dont-the-stdfstream-classes-take-a-stdstring filename testfile std ifstream fin fin.open filename.c_str Works just fine. fin.close fin.open filename Error no such method...
http://stackoverflow.com/questions/4214153/lifetime-of-temporaries code works fine but why is this correct code Why is the c_str pointer of the temporary returned by foo valid I thought that.. bar const char ccp do something with the string.. bar foo .c_str c temporary c faq lifetime full expression share improve..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c int main std string si 12 std string sf 1.2 int i atoi si.c_str the c_str function converts double f atof sf.c_str std string.. std string si 12 std string sf 1.2 int i atoi si.c_str the c_str function converts double f atof sf.c_str std string to const.. atoi si.c_str the c_str function converts double f atof sf.c_str std string to const char Use string streams this time input..
Will std::string always be null-terminated in C++11? http://stackoverflow.com/questions/6077189/will-stdstring-always-be-null-terminated-in-c11 this question Yes. Per the C 0x FDIS 21.4.7.1 1 std basic_string c_str must return a pointer p such that p i operator i for.. Yes. Per the C 0x FDIS 21.4.7.1 1 std basic_string c_str must return a pointer p such that p i operator i for each i.. This means that given a string s the pointer returned by s.c_str must be the same as the address of the initial character in..
What is std::string::c_str() lifetime? http://stackoverflow.com/questions/6456359/what-is-stdstringc-str-lifetime is std string c_str lifetime In one of my programs I have to interface with some.. deals with std string so I thought of using std string c_str to get back const char pointers. But what is the lifetime of.. get back const char pointers. But what is the lifetime of c_str Can I do something like this without facing undefined behavior..
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