Re: Returning Char array/pointer? Continuing of thread I am confused
with these concepts.
Thanks, I will try with your suggestion.
On Feb 11, 4:34 pm, "Ben Voigt [C++ MVP]" <r...@nospam.nospam> wrote:
rockdale wrote:
This is my function using std::string
std::string ReadFile2String(char const* aSrcFile){
ifstream in;
std::string strRtn;
Remove that line. C++ variables are declared at the point of constructi=
on,
not the top of the function.
long lngFileSize = 0;
in.open(aSrcFile, ios::in| ios::binary | ios::ate);
if(in.is_open()||in.bad())
{
lngFileSize = in.tellg();
}else{
throw exception("could not open input file"); // could not open in
file
return NULL;
}
char* chrTmp = new char[lngFileSize];
in.seekg(0,ios::beg);
in.read(chrTmp, lngFileSize);
strRtn = chrTmp; ???????
replace with
std::string(chrTmp, lngFileSize);
delete [] lngFileSize;
return strRtn;
}
But it would be better to use std::vector... and get rid of the explicit
allocation and extra copy.- Hide quoted text -
- Show quoted text -
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