Bug#46719: marked as done (towupper() macro generates compiler warning with C++)
Your message dated Thu, 14 Oct 1999 09:46:21 -0700
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and subject line Bug#46719: towupper() macro generates compiler warning with C++
has caused the attached Bug report to be marked as done.
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From: Richard Kettlewell <rjk@sfere.greenend.org.uk>
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Date: Tue, 5 Oct 1999 20:00:19 +0100 (BST)
To: submit@bugs.debian.org
Subject: towupper() macro generates compiler warning with C++
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Message-ID: <[🔎] 14330.18850.990319.724113@lyonesse.relativity.greenend.org.uk>
Sender: Richard Kettlewell <richard@sfere.greenend.org.uk>
Package: libc6-dev
Version: 2.0.7.19981211
lyonesse$ cat t.cc
#include <wctype.h>
#include <stddef.h>
wchar_t foo(wchar_t c) {
return towupper(c);
}
lyonesse$ c++ -c t.cc
t.cc: In function `__wchar_t foo(__wchar_t)':
t.cc:5: warning: passing `const int *' as argument 2 of `towctrans(wint_t, const unsigned int *)' changes signedness
lyonesse$ cat u.cc
#include <cwctype>
wchar_t foo(wchar_t c) {
return towupper(c);
}
lyonesse$ c++ -c u.cc
u.cc: In function `__wchar_t foo(__wchar_t)':
u.cc:4: warning: passing `const int *' as argument 2 of `towctrans(wint_t, const unsigned int *)' changes signedness
Header files from the C or C++ library should not produce compiler
warnings, as it makes the `-Werror' option useless.
ii g++ 2.91.60-5 The GNU (egcs) C++ compiler.
ttfn/rjk
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Date: Thu, 14 Oct 1999 09:46:21 -0700
To: 46719-done@bugs.debian.org
From: Joel Klecker <jk@espy.org>
Subject: Re: Bug#46719: towupper() macro generates compiler warning with
C++
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At 20:00 +0100 1999-10-05, Richard Kettlewell wrote:
>Header files from the C or C++ library should not produce compiler
>warnings, as it makes the `-Werror' option useless.
jk@cerberus:[~glibc/glibc-2.1.2]% cat > t.cc
#include <wctype.h>
#include <stddef.h>
wchar_t foo(wchar_t c) {
return towupper(c);
}
jk@cerberus:[~glibc/glibc-2.1.2]% g++ -c t.cc
jk@cerberus:[~glibc/glibc-2.1.2]% cat > u.cc
#include <cwctype>
wchar_t foo(wchar_t c) {
return towupper(c);
}
jk@cerberus:[~glibc/glibc-2.1.2]% g++ -c u.cc
Problem not present in glibc 2.1.
--
Joel Klecker (aka Espy) <URL:mailto:espy@debian.org>
Debian Package Maintainer for the GNU C Library.
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