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Rename FROMFIELD to 'container_of'.

Browse Source 
Ian Jackson points out that the Linux kernel has a macro of this name
with the same purpose, and suggests that it's a good idea to use the
same name as they do, so that at least some people reading one code
base might recognise it from the other.

I never really thought very hard about what order FROMFIELD's
parameters should go in, and therefore I'm pleasantly surprised to
find that my order agrees with the kernel's, so I don't have to
permute every call site as part of making this change :-)
This commit is contained in:
Simon Tatham
2018-10-05 23:49:08 +01:00
parent ed652a70e8
commit 9396fcc9f7
47 changed files with 410 additions and 399 deletions
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12
ssh2userauth.c
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@ -145,14 +145,14 @@ void ssh2_userauth_set_transport_layer(PacketProtocolLayer *userauth,
PacketProtocolLayer *transport)
{
struct ssh2_userauth_state *s =
FROMFIELD(userauth, struct ssh2_userauth_state, ppl);
container_of(userauth, struct ssh2_userauth_state, ppl);
s->transport_layer = transport;
}
static void ssh2_userauth_free(PacketProtocolLayer *ppl)
{
struct ssh2_userauth_state *s =
FROMFIELD(ppl, struct ssh2_userauth_state, ppl);
container_of(ppl, struct ssh2_userauth_state, ppl);
bufchain_clear(&s->banner);
if (s->successor_layer)
@ -198,7 +198,7 @@ static PktIn *ssh2_userauth_pop(struct ssh2_userauth_state *s)
static void ssh2_userauth_process_queue(PacketProtocolLayer *ppl)
{
struct ssh2_userauth_state *s =
FROMFIELD(ppl, struct ssh2_userauth_state, ppl);
container_of(ppl, struct ssh2_userauth_state, ppl);
PktIn *pktin;
ssh2_userauth_filter_queue(s); /* no matter why we were called */
@ -1653,14 +1653,14 @@ static void ssh2_userauth_special_cmd(PacketProtocolLayer *ppl,
static int ssh2_userauth_want_user_input(PacketProtocolLayer *ppl)
{
struct ssh2_userauth_state *s =
FROMFIELD(ppl, struct ssh2_userauth_state, ppl);
container_of(ppl, struct ssh2_userauth_state, ppl);
return s->want_user_input;
}
static void ssh2_userauth_got_user_input(PacketProtocolLayer *ppl)
{
struct ssh2_userauth_state *s =
FROMFIELD(ppl, struct ssh2_userauth_state, ppl);
container_of(ppl, struct ssh2_userauth_state, ppl);
if (s->want_user_input)
queue_idempotent_callback(&s->ppl.ic_process_queue);
}
@ -1668,6 +1668,6 @@ static void ssh2_userauth_got_user_input(PacketProtocolLayer *ppl)
static void ssh2_userauth_reconfigure(PacketProtocolLayer *ppl, Conf *conf)
{
struct ssh2_userauth_state *s =
FROMFIELD(ppl, struct ssh2_userauth_state, ppl);
container_of(ppl, struct ssh2_userauth_state, ppl);
ssh_ppl_reconfigure(s->successor_layer, conf);
}