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On Tue, Sep 06, 2005 at 07:03:15PM +0700, Ian Zagorskih wrote:
>=20
> OpenSSL from NetBSD v3.99.7 base. Simple test code:
>=20
> ---test.c---
> #include <openssl/ssl.h>
>=20
> void foo() {
>         PEM_write_bio_SSL_SESSION(0, 0);
> }
> ---test.c---
>=20
> When i compile it as C code all goes just fine:
> $ cc -c -Wall test.c=20

for grins


gcc -c -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wconversion=
 test.c

> But when i compile it as C++ code invalid convertion error happens:
> $ c++ -c -Wall test.c=20
> test.c: In function `void foo()':
> test.c:5: error: invalid conversion from `int (*)()' to `int (*)(...)'

yes - given that it's been like this for several years, apparently OpenSSL's
developers aren't interested.  The easy workaround is to write a wrapper in
C that calls the necessary function.

> AFAIU declaration of PEM_ASN1_write_bio() i.e. its first parameter is cor=
rect=20
> from C point of view but is wrong for C++ and there are tons of such exam=
ples=20
> which are fine for C but wrong for C++. I'm trying to build some project=
=20

it's passable (studentware) for C, but still incorrect in C as well.

--=20
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net

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