[Bug c/33076] Warning when passing a pointer to a const array to a function that expects a pointer to a non-cast one
jozef dot behran at krs dot sk
gcc-bugzilla@gcc.gnu.org
Wed Sep 26 12:18:00 GMT 2007
------- Comment #7 from jozef dot behran at krs dot sk 2007-09-26 12:18 -------
> Neither C nor C++ have qualified array types, only arrays of qualified
> element types, but C++ has different rules from C regarding conversions
> involving qualifiers, which allow some conversions (involving arrays or
> pointers to pointers) not allowed in C.
And another point: Whether C/C++ have or don't have qualified array types,
still the difference between the "const caca *" and "caca *" types is a "const"
qualifier being applied to some part of the "caca *" base type. Therefore the
types must be compatible when the automatic type conversion involved only adds
"const" qualifiers to the type. Therefore the warnings are not legitimate.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33076
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