Thanks ! I'm working on a sun Cobalt Raq 550. If I declare the char * buf before calling open(...), it runs. Else if I declare char * buf = new char after calling open(...), it runs so.
It seems strange, no ? Pascal. -----Message d'origine----- De�: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] De la part de Dale P. Smith Envoy�: mardi 24 septembre 2002 12:50 ��: [EMAIL PROTECTED] Objet�: Re: [cobalt-developers] Help: error when reading a file with C++ On Tue, 24 Sep 2002 09:23:35 +0200 "Pascal Genest" <[EMAIL PROTECTED]> wrote: > Hello�! > � > I use this code�: > � > #include <iostream> > #include <unistd.h> > #include <sys/types.h> > #include <sys/stat.h> > #include <fcntl.h> > void main () > { > int fd = open("essai.txt", O_RDWR); > char * buf; buf is a pointer to char, but where does it point? Depends on what is on the stack. > for (;read(fd, buf, 1);) > cout << *buf; So here we are reading one char into where buf points, and printing it, but buf could be pointing anywhere! > } > � > � > The program return a lot of ��Z�� and read not the file only on a > cobalt. > � > Thanks for your response > � > � > Pascal. > > > > _______________________________________________ > cobalt-developers mailing list > [EMAIL PROTECTED] > http://list.cobalt.com/mailman/listinfo/cobalt-developers > -- Dale P. Smith Senior Systems Consultant, | Treasurer, Altus Technologies Corporation | Cleveland Linux Users Group [EMAIL PROTECTED] | http://cleveland.lug.net 440-746-9000 x339 | _______________________________________________ cobalt-developers mailing list [EMAIL PROTECTED] http://list.cobalt.com/mailman/listinfo/cobalt-developers _______________________________________________ cobalt-developers mailing list [EMAIL PROTECTED] http://list.cobalt.com/mailman/listinfo/cobalt-developers
