f11 g++ behaviour

Michel Salim michel.sylvan at gmail.com
Tue Feb 24 23:49:54 UTC 2009


On Tue, Feb 24, 2009 at 6:01 PM, Deji Akingunola <deji_aking at yahoo.ca> wrote:
>
>> #include <stdio.h>
>> #include <string.h>
>> int main(int argc, char *argv[])
>> {
>>   char *gr;
>>   const char *pl="BlahHello world!";
>>   const char *gt="Hell";
>>   gr = strstr(pl, gt);
>>   printf("%s\n", gr);
>>   return 0;
>> }
>>
>> In f10, this compiles with g++.  In f11, it compiles
>> with gcc, but not with g++.  It fails with this error:
>>
>> test.cpp:8: error: invalid conversion from 'const
>> char*' to 'char*'
>>
> See https://www.redhat.com/archives/fedora-devel-list/2009-January/msg02248.html and https://www.redhat.com/archives/fedora-devel-list/2009-February/msg01576.html announcement and comment concerning this new behaviour.
>
Type-safety bugs are one class of problems that are easier to fix in
C++ than in C. Bless polymorphic type signatures.

Regards,

-- 
miʃel salim  •  http://hircus.jaiku.com/
IUCS         •  msalim at cs.indiana.edu
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