[jira] Commented: (STDCXX-195) [Linux] error on std::putc()
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https://issues.apache.org/jira/browse/STDCXX-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12555762#action_12555762
]
Martin Sebor commented on STDCXX-195:
-
Same problem with getc():
$ cat t.cpp && make t
#include
int main()
{
std::putc ('x', stdout);
std::getc (stdin);
}
gcc -c -I/home/sebor/stdcxx/include/ansi -D_RWSTDDEBUG -pthread
-I/home/sebor/stdcxx/include -I/build/sebor/stdcxx-gcc-4.1.2-15D/include
-I/home/sebor/stdcxx/examples/include -pedantic -nostdinc++ -g -W -Wall
-Wcast-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align
t.cpp
t.cpp: In function 'int main()':
t.cpp:5: error: '_IO_putc' is not a member of 'std'
t.cpp:6: error: '_IO_getc' is not a member of 'std'
make: *** [t.o] Error 1
> [Linux] error on std::putc()
>
>
> Key: STDCXX-195
> URL: https://issues.apache.org/jira/browse/STDCXX-195
> Project: C++ Standard Library
> Issue Type: Bug
> Components: 27. Input/Output
>Affects Versions: 4.1.3
> Environment: SuSE SLES 9sp2 (ppc64), IBM XL C/C++ Advanced Edition
> V8.0 for Linux
> Version: 08.00..
>Reporter: Scott (Yu) Zhong
>Assignee: Martin Sebor
> Fix For: 4.2.1
>
>
> IBM VAC++ 8.0 linux uses _IO_putc instead of putc
> file affected:
> include/ansi/cstdio
> --- testcase.cpp
> #include
> int main()
> {
> std::putc ("test", stdout);
> std::fflush (stdout);
> }
> -- compile line
> xlc -F /package/1/ppc64/compilers/ibm/va80/vac.cfg -q64 -qarch=ppc64
> -D_RWSTD_NO_IMPLICIT_INCLUSION -qnolib -Wl,-dynamic-linker
> -Wl,/lib64/ld64.so.1 -D_RWCONFIG=stdlib_rs -I../../include
> -I./../../../../include -I./../../../../include/ansi -I./../../../.. -I.. -I.
> -g -c ../testcase.cpp
> -- output --
> "../testcase.cpp", line 5.9: 1540-0130 (S) "std::_IO_putc" is not declared.
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[jira] Commented: (STDCXX-195) [Linux] error on std::putc()
[
http://issues.apache.org/jira/browse/STDCXX-195?page=comments#action_12414838 ]
Martin Sebor commented on STDCXX-195:
-
The problem here is that putc is #defined as a macro by the C library. This is
explicitly disallowed by lib.headers, p6 (clarified by Footnote 166):
-6- Names that are defined as functions in C shall be defined as functions in
the C++ Standard Library.166)
___
Footnote 166) This disallows the practice, allowed in C, of providing a
"masking macro" in addition to the function prototype. The only way to achieve
equivalent "inline" behavior in C++ is to provide a definition as an extern
inline function.
> [Linux] error on std::putc()
>
>
> Key: STDCXX-195
> URL: http://issues.apache.org/jira/browse/STDCXX-195
> Project: C++ Standard Library
> Type: Bug
> Components: 27. Input/Output
> Versions: 4.1.3
> Environment: SuSE SLES 9sp2 (ppc64), IBM XL C/C++ Advanced Edition V8.0 for
> Linux
> Version: 08.00..
> Reporter: Scott (Yu) Zhong
> Assignee: Martin Sebor
>
> IBM VAC++ 8.0 linux uses _IO_putc instead of putc
> file affected:
> include/ansi/cstdio
> --- testcase.cpp
> #include
> int main()
> {
> std::putc ("test", stdout);
> std::fflush (stdout);
> }
> -- compile line
> xlc -F /package/1/ppc64/compilers/ibm/va80/vac.cfg -q64 -qarch=ppc64
> -D_RWSTD_NO_IMPLICIT_INCLUSION -qnolib -Wl,-dynamic-linker
> -Wl,/lib64/ld64.so.1 -D_RWCONFIG=stdlib_rs -I../../include
> -I./../../../../include -I./../../../../include/ansi -I./../../../.. -I.. -I.
> -g -c ../testcase.cpp
> -- output --
> "../testcase.cpp", line 5.9: 1540-0130 (S) "std::_IO_putc" is not declared.
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