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libstdc++/8713: template <class charT> bool isspace (charT c, const locale& loc)


>Number:         8713
>Category:       libstdc++
>Synopsis:       template <class charT> bool isspace (charT c, const locale& loc)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Nov 26 03:46:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Leif Lönnblad
>Release:        gcc-3.2.1
>Organization:
>Environment:
Linux beckett 2.4.4-4GB #1 Fri May 18 14:11:12 GMT 2001 i686 unknown

Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/specs
Configured with: /usr/local/build/gcc-3.2.1/configure --prefix=/usr/local
Thread model: posix
gcc version 3.2.1
>Description:
template <class charT> bool isspace (charT c, const locale& loc) does not work (standard isspace(char) does). This has consequences for eg. istream & operator>>(istream &, string &) which now reads the whole file into a string and does not stop at the next white space.
>How-To-Repeat:
compile and run the following program (.ii file is attached)

#include <locale>

int main() {
  return !std::isspace(' ', std::locale::classic());
}

It will exit with status 1 with gcc-3.2.1. With previous versions it exits correctly with zero status.
>Fix:
It seems the _M_table member in the ctype<> class does not get initialized properly.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="test321.ii"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="test321.ii"

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