http://llvm.org/bugs/show_bug.cgi?id=16407
Bug ID: 16407
Summary: Assignment from "void *" without cast treated as error
within extern "C" block
Product: clang
Version: 3.3
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
[gibbs@aslan ~]$ cat foo.cpp
#ifdef __cplusplus
extern "C" {
#endif
struct foo {
int a;
};
static inline void
initialize_foo(void *data)
{
struct foo *foo = data;
foo->a = 1;
}
#ifdef __cplusplus
}
#endif
int
main(int argc, const char *argv[])
{
struct foo my_foo;
initialize_foo(&my_foo);
return (0);
}
[gibbs@aslan ~]$ clang++ -v
FreeBSD clang version 3.3 (trunk 178860) 20130405
Target: x86_64-unknown-freebsd10.0
Thread model: posix
[gibbs@aslan ~]$ clang++ foo.cpp
foo.cpp:13:14: error: cannot initialize a variable of type 'struct foo *' with
an lvalue of type 'void *'
struct foo *foo = data;
^ ~~~~
1 error generated.
The work around for this is trivial, but in our environment would mean forking
a third party C header file.
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