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Hello:
I already asked about this problem on the libstdc++ list, and discovered
that the problem appears to be only with Red Hat's distribution of the
libstdc++ package. I upgraded the following:
cpp-2.96-74 gcc-g77-2.96-74 gcc-objc-2.96-69
libstdc++-2.96-74 libstdc++-devel-2.96-74 gcc-c++-2.96-74
gcc-2.96-74
(from RPM packages found in the Rawhide directory on Red Hat's FTP site),
but my problem remains, and is described below.
I'm using g++ with libstdc++ 2.96-74 (courtesy of Red Hat), and I was just
wondering if the "ios" header file is missing?
I'm using a stringstream with which I'd like to throw an exception if the
failbit/badbit is set. I have:
#include <iostream>
#include <sstream>
using namespace std;
stringstream ss;
ss.exceptions(ios_base::badbit | ios_base::failbit);
But on compilation I get:
demo.cpp:25: `ios_base' undeclared (first use this function)
I have tried including <ios> as was suggested by several people on
EFNet's #c++ channel, but I get the error, "No such file or directory". I
can not find an 'ios' header file. From the libstdc++ mailing list, I
received a suggestion to try including 'iosfwd', but that doesn't resolve
this compilation error either.
Also, I'm wondering if I'm doing something wrong with stringstream. While
this is probably not the proper place to ask, the following code does
*not* act as I expect:
int total = 0;
stringstream ss;
ss << argv[1]; // Move the command line argument into the string stream
ss >> total; // And move it's integer equivalent to total!
I was hoping that the code above would take a numeric command line
argument and convert it to an integer, storing it in total. Basically,
the "c++ equivalent" of 'total = atoi(argv[1])'. I was surprised to find
the failbit set. ;-) Doing a 'cout << argv[1]' shows a valid numeric
argument, and doing a 'total = atoi(argv[1])' results in a proper
conversion of it to the integer.
Thank you in advance for your assistance.
- --------------< LINUX: The choice of a GNU generation. >--------------
Steve Frampton <[EMAIL PROTECTED]> interQ (Japan), Inc.
Systems Administrator/Software Developer http://www.interq.or.jp/
GNU Privacy Guard ID: D055EBC5 (see http://www.gnupg.org for details)
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