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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-48) [IRIX] std::wmemcpy() copies only the first character
Date Thu, 13 Oct 2005 22:53:05 GMT
[IRIX] std::wmemcpy() copies only the first character
-----------------------------------------------------

         Key: STDCXX-48
         URL: http://issues.apache.org/jira/browse/STDCXX-48
     Project: STDCXX
        Type: Bug
  Components: 21. Strings  
    Versions: 4.1.2    
 Environment: IRIX 6.5
    Reporter: Martin Sebor
 Assigned to: Martin Sebor 
     Fix For: 4.1.3


The program below aborts at runtime when compiled with SGI MIPSpro and run on SGI IRIX 6.5.
Note that IRIX doesn't define wmemcpy (the macros _RWSTD_MO_WMEMCPY and _RWSTD_MO_WMEMCPY_IN_LIBC
are both defined) so the called function must be ours.

$ cat t.cpp && nice gmake t -r && LD_LIBRARY_PATH=../lib ./t
#include <cassert>
#include <cwchar>

int main ()
{
    wchar_t dst [4] = { 0, 1, 2, 3 };
    std::wmemcpy (dst, L"abc", 3);

    assert (L'a' == dst [0]);
    assert (L'b' == dst [1]);
    assert (L'c' == dst [2]);
    assert (L'\0' == dst [3]);
}

CC -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG   -D_REENTRANT -D_RWSTD_USE_CONFIG
-I/build/sebor/mipspro-7.41-15d/include -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/examples/include
 -g  -ansiW -woff1429,1460,1521,3150,3333  t.cpp
CC t.o -o t -LANG:std=off -Wl,-woff,84 -L/build/sebor/mipspro-7.41-15d/lib  -lpthread -L/build/sebor/mipspro-7.41-15d/lib
-lstd15d   -lm
rm t.o
Assertion failed: L'b' == dst [1], file t.cpp, line 10, pid B86430
Abort (core dumped)


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