Kalle Olavi Niemitalo <[EMAIL PROTECTED]> writes: > There has been a similar warning in src/network/ssl/socket.c, at > the gnutls_transport_set_ptr call. That could also be silenced > with an extra cast, but this would in principle also require > changing the code that converts the pointer back to an integer, > and I can't find where that happens, so I'm not changing it now. > Perhaps there is no such code and the call could just be removed.
The opposite cast is in GnuTLS itself. I have pushed the alignof patch to elinks-0.12, as well as the following. Debian bug 464384: fix cast warning in ssl_connect There are warnings about casts in the Debian amd64 build logs: http://buildd.debian.org/fetch.cgi?&pkg=elinks&ver=0.11.3-2&arch=amd64&stamp=1200348983&file=log [CC] src/intl/gettext/dcigettext.o /build/buildd/elinks-0.11.3/src/intl/gettext/dcigettext.c: In function '_nl_find_msg': /build/buildd/elinks-0.11.3/src/intl/gettext/dcigettext.c:745: warning: cast from pointer to integer of different size /build/buildd/elinks-0.11.3/src/intl/gettext/dcigettext.c:746: warning: cast from pointer to integer of different size ... [CC] src/network/ssl/socket.o /build/buildd/elinks-0.11.3/src/network/ssl/socket.c: In function 'ssl_connect': /build/buildd/elinks-0.11.3/src/network/ssl/socket.c:219: warning: cast to pointer from integer of different size The warnings in _nl_find_msg were caused by alignof, which I already fixed. This commit ought to fix the gnutls_transport_set_ptr call in ssl_connect. This warning did not yet happen in bug 464384 because the others broke the build before it got that far. --- commit 6555359f8e56b6e08bd1a8f40fd363506a0e3ff5 tree 39257ecb47bd8a12e6bcf1eaa2c7ecf563cd6ef4 parent d529a1f24da6f85ac2ce67f4f4c1f7084485f538 author Kalle Olavi Niemitalo <[EMAIL PROTECTED]> Sat, 09 Feb 2008 15:07:04 +0200 committer Kalle Olavi Niemitalo <[EMAIL PROTECTED]> Sat, 09 Feb 2008 15:19:20 +0200 NEWS | 2 +- src/network/ssl/socket.c | 9 ++++++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index c8cbfd3..6ff7805 100644 --- a/NEWS +++ b/NEWS @@ -129,7 +129,7 @@ Miscellaneous: Build system and compile-time errors (ignore if you don't build ELinks): -* serious Debian bug 464384: fix cast warning in alignof +* serious Debian bug 464384: fix cast warnings in alignof and ssl_connect * bug 725: fix version checking for Ruby in 'configure' * enhancement: if make -k was used and a sub-Make fails, build the rest before propagating diff --git a/src/network/ssl/socket.c b/src/network/ssl/socket.c index 19b8941..eabd8a3 100644 --- a/src/network/ssl/socket.c +++ b/src/network/ssl/socket.c @@ -154,8 +154,15 @@ ssl_connect(struct socket *socket) } #elif defined(CONFIG_GNUTLS) + /* GnuTLS uses function pointers for network I/O. The default + * functions take a file descriptor, but it must be passed in + * as a pointer. GnuTLS uses the GNUTLS_INT_TO_POINTER and + * GNUTLS_POINTER_TO_INT macros for these conversions, but + * those are unfortunately not in any public header. So + * ELinks must just cast the pointer the best it can and hope + * that the conversions match. */ gnutls_transport_set_ptr(*((ssl_t *) socket->ssl), - (gnutls_transport_ptr) socket->fd); + (gnutls_transport_ptr) (longptr_T) socket->fd); /* TODO: Some certificates fuss. --pasky */ #endif
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