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stanza: return const char* for non allocated strings

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If interface function returns char* the result must be freed with
xmpp_free().

In case of const char* the result must not be changed by user. Also, the
result is valid only during stanza lifetime.
This commit is contained in:
Dmitry Podgorny
2016-04-27 11:56:50 +00:00
parent c0aad0bf00
commit a3da77b8f6
7 changed files with 45 additions and 50 deletions
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23
src/auth.c
View File

@@ -111,7 +111,7 @@ static int _handle_error(xmpp_conn_t * const conn,
void * const userdata)
{
xmpp_stanza_t *child;
char *name;
const char *name;
/* free old stream error if it's still there */
if (conn->stream_error) {
@@ -130,7 +130,7 @@ static int _handle_error(xmpp_conn_t * const conn,
if (conn->stream_error) {
child = xmpp_stanza_get_children(stanza);
do {
char *ns = NULL;
const char *ns = NULL;
if (child) {
ns = xmpp_stanza_get_ns(child);
@@ -279,7 +279,7 @@ static int _handle_proceedtls_default(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
const char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp", "handle proceedtls called for %s", name);
@@ -302,7 +302,7 @@ static int _handle_sasl_result(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
const char *name;
name = xmpp_stanza_get_name(stanza);
@@ -341,7 +341,7 @@ static int _handle_digestmd5_challenge(xmpp_conn_t * const conn,
char *text;
char *response;
xmpp_stanza_t *auth, *authdata;
char *name;
const char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp",\
@@ -396,7 +396,7 @@ static int _handle_digestmd5_rspauth(xmpp_conn_t * const conn,
void * const userdata)
{
xmpp_stanza_t *auth;
char *name;
const char *name;
name = xmpp_stanza_get_name(stanza);
xmpp_debug(conn->ctx, "xmpp",
@@ -429,7 +429,7 @@ static int _handle_scram_sha1_challenge(xmpp_conn_t * const conn,
char *text;
char *response;
xmpp_stanza_t *auth, *authdata;
char *name;
const char *name;
char *challenge;
char *scram_init = (char *)userdata;
@@ -979,7 +979,7 @@ static int _handle_bind(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *type;
const char *type;
xmpp_stanza_t *iq, *session;
/* delete missing bind handler */
@@ -1062,7 +1062,7 @@ static int _handle_session(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *type;
const char *type;
/* delete missing session handler */
xmpp_timed_handler_delete(conn, _handle_missing_session);
@@ -1099,7 +1099,8 @@ static int _handle_legacy(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *type, *name;
const char *type;
const char *name;
/* delete missing handler */
xmpp_timed_handler_delete(conn, _handle_missing_legacy);
@@ -1201,7 +1202,7 @@ int _handle_component_hs_response(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza,
void * const userdata)
{
char *name;
const char *name;
xmpp_timed_handler_delete(conn, _handle_missing_handshake);

2
src/handler.c
View File

@@ -35,7 +35,7 @@ void handler_fire_stanza(xmpp_conn_t * const conn,
xmpp_stanza_t * const stanza)
{
xmpp_handlist_t *item, *prev;
char *id, *ns, *name, *type;
const char *id, *ns, *name, *type;
/* call id handlers */
id = xmpp_stanza_get_id(stanza);

24
src/stanza.c
View File

@@ -415,9 +415,9 @@ static int _render_stanza_recursive(xmpp_stanza_t *stanza,
*
* @ingroup Stanza
*/
int xmpp_stanza_to_text(xmpp_stanza_t *stanza,
char ** const buf,
size_t * const buflen)
int xmpp_stanza_to_text(xmpp_stanza_t *stanza,
char ** const buf,
size_t * const buflen)
{
char *buffer, *tmp;
size_t length;
@@ -491,7 +491,7 @@ int xmpp_stanza_set_name(xmpp_stanza_t *stanza,
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_name(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_name(xmpp_stanza_t * const stanza)
{
if (stanza->type == XMPP_STANZA_TEXT) return NULL;
return stanza->data;
@@ -710,7 +710,7 @@ int xmpp_stanza_set_text_with_size(xmpp_stanza_t *stanza,
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_id(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_id(xmpp_stanza_t * const stanza)
{
return xmpp_stanza_get_attribute(stanza, "id");
}
@@ -725,7 +725,7 @@ char *xmpp_stanza_get_id(xmpp_stanza_t * const stanza)
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_ns(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_ns(xmpp_stanza_t * const stanza)
{
return xmpp_stanza_get_attribute(stanza, "xmlns");
}
@@ -740,7 +740,7 @@ char *xmpp_stanza_get_ns(xmpp_stanza_t * const stanza)
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_type(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_type(xmpp_stanza_t * const stanza)
{
return xmpp_stanza_get_attribute(stanza, "type");
}
@@ -755,7 +755,7 @@ char *xmpp_stanza_get_type(xmpp_stanza_t * const stanza)
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_to(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_to(xmpp_stanza_t * const stanza)
{
return xmpp_stanza_get_attribute(stanza, "to");
}
@@ -770,7 +770,7 @@ char *xmpp_stanza_get_to(xmpp_stanza_t * const stanza)
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_from(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_from(xmpp_stanza_t * const stanza)
{
return xmpp_stanza_get_attribute(stanza, "from");
}
@@ -915,7 +915,7 @@ char *xmpp_stanza_get_text(xmpp_stanza_t * const stanza)
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_text_ptr(xmpp_stanza_t * const stanza)
const char *xmpp_stanza_get_text_ptr(xmpp_stanza_t * const stanza)
{
if (stanza->type == XMPP_STANZA_TEXT)
return stanza->data;
@@ -1004,8 +1004,8 @@ int xmpp_stanza_set_from(xmpp_stanza_t * const stanza,
*
* @ingroup Stanza
*/
char *xmpp_stanza_get_attribute(xmpp_stanza_t * const stanza,
const char * const name)
const char *xmpp_stanza_get_attribute(xmpp_stanza_t * const stanza,
const char * const name)
{
if (stanza->type != XMPP_STANZA_TAG)
return NULL;