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fix function-pointer storage

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the C standard says that you're not allowed to cast a function pointer to
something else

 6.3.2.3 §8:

A pointer to a function of one type may be converted to a pointer
to a function of another type and back again
This commit is contained in:
Steffen Jaeckel
2017-06-29 15:16:44 +02:00
parent c074a6166c
commit 49e7572059
2 changed files with 10 additions and 10 deletions
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2
src/common.h
View File

@@ -107,7 +107,7 @@ typedef struct _xmpp_handlist_t xmpp_handlist_t;
struct _xmpp_handlist_t {
/* common members */
int user_handler;
void *handler;
int (*handler)();
void *userdata;
int enabled; /* handlers are added disabled and enabled after the
* handler chain is processed to prevent stanzas from

18
src/handler.c
View File

@@ -229,7 +229,7 @@ static void _timed_handler_add(xmpp_conn_t * const conn,
/* check if handler is already in the list */
for (item = conn->timed_handlers; item; item = item->next) {
if (item->handler == (void *)handler && item->userdata == userdata) {
if (item->handler == handler && item->userdata == userdata) {
xmpp_warn(conn->ctx, "xmpp", "Timed handler already exists.");
break;
}
@@ -241,7 +241,7 @@ static void _timed_handler_add(xmpp_conn_t * const conn,
if (!item) return;
item->user_handler = user_handler;
item->handler = (void *)handler;
item->handler = handler;
item->userdata = userdata;
item->enabled = 0;
item->next = NULL;
@@ -277,7 +277,7 @@ void xmpp_timed_handler_delete(xmpp_conn_t * const conn,
prev = NULL;
item = conn->timed_handlers;
while (item) {
if (item->handler == (void *)handler) {
if (item->handler == handler) {
if (prev)
prev->next = item->next;
else
@@ -302,7 +302,7 @@ static void _id_handler_add(xmpp_conn_t * const conn,
/* check if handler is already in the list */
item = (xmpp_handlist_t *)hash_get(conn->id_handlers, id);
while (item) {
if (item->handler == (void *)handler && item->userdata == userdata) {
if (item->handler == handler && item->userdata == userdata) {
xmpp_warn(conn->ctx, "xmpp", "Id handler already exists.");
break;
}
@@ -315,7 +315,7 @@ static void _id_handler_add(xmpp_conn_t * const conn,
if (!item) return;
item->user_handler = user_handler;
item->handler = (void *)handler;
item->handler = handler;
item->userdata = userdata;
item->enabled = 0;
item->next = NULL;
@@ -358,7 +358,7 @@ void xmpp_id_handler_delete(xmpp_conn_t * const conn,
while (item) {
next = item->next;
if (item->handler == (void *)handler) {
if (item->handler == handler) {
if (prev)
prev->next = next;
else {
@@ -390,7 +390,7 @@ static void _handler_add(xmpp_conn_t * const conn,
for (item = conn->handlers; item; item = item->next) {
/* same handler function can process different stanzas and
distinguish them according to userdata. */
if (item->handler == (void *)handler && item->userdata == userdata) {
if (item->handler == handler && item->userdata == userdata) {
xmpp_warn(conn->ctx, "xmpp", "Stanza handler already exists.");
break;
}
@@ -402,7 +402,7 @@ static void _handler_add(xmpp_conn_t * const conn,
if (!item) return;
item->user_handler = user_handler;
item->handler = (void *)handler;
item->handler = handler;
item->userdata = userdata;
item->enabled = 0;
item->next = NULL;
@@ -462,7 +462,7 @@ void xmpp_handler_delete(xmpp_conn_t * const conn,
prev = NULL;
item = conn->handlers;
while (item) {
if (item->handler == (void *)handler) {
if (item->handler == handler) {
if (prev)
prev->next = item->next;
else