Again C++ question

[Muhammad Rizwan]

I am getting the following errors while compiling the code with adding
#include <fstream> for file handling:

*/home/hc7/chcmanager/src/CTCPServer.cpp:76: error: invalid conversion
from `int ' to `const char*' 
*/home/hc7/chcmanager/src/CTCPServer.cpp:76: error: initializing
argument 1 of `std::basic_ofstream<_CharT,
_Traits>::basic_ofstream(const char*, std::_Ios_Openmode) [with _CharT =
char, _Traits = std::char_traits<char>]'

Any idea?

Regards,


On Sat, 2005-03-26 at 22:12, Andreas Pakulat wrote:
> On 26.Mär 2005 - 19:37:47, Muhammad Rizwan wrote:
> > I was using kdevelop 2.XX one month ago, and write some code related to
> > file handling as:
> > 
> > 	int fd;
> > 	if( (fd = open("file.txt", O_WRONLY | O_CREAT, 0640 ) == -1 )
> > 	{
> > 		Logging(strerror(errno), 0, ConfigData.Folder);
> > 		return(-1);
> > 	}
> > 	struct flock lockp;
> > 	lockp.l_type = F_WRLCK;
> > 	lockp.l_whence = SEEK_SET;
> > 	lockp.l_start = 0;
> > 	lockp.l_len = 0;
> > 	if( fcntl (fd, F_SETLK, &lockp) == -1 )
> > 	{
> > 		Logging(strerror(errno), 0, ConfigData.InsFolder);
> > 		close(fd);
> > 		return(-1);
> > 	}
> > 	ofstream outFile(fd);
> > 	outFile << "text here";
> > 	close(fd);
> > 
> > I was compiling this program successfully in kdevelop 2.XX, but now i
> > have updated my kdevelop version to 3.0 and i am getting errors for file
> > descriptors i.e. fd.
> 
> What errors specifically? I guess nobody can help you here without the
> exact error messages....
> 
> > Now which function should i use to open file which 'll return me file
> > descriptor, so that i 'll be able to lock file by using fcntl(). Because
> > fcntl() accepts file descriptor (i.e. fd) as:
> 
> open is a C-functions so you should checkt that you're including the
> proper C-header and link against libc...
> 
> Andreas


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