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MDNS: make a few arguments const where suitable

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This commit is contained in:
Dirk Ziegelmeier 2016-08-14 15:31:49 +02:00
parent 306113c8c3
commit a2894ede1c
3 changed files with 8 additions and 8 deletions
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4
doc/mdns.txt
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@ -4,7 +4,7 @@ Author: Erik Ekman
Note! The MDNS responder does not have all features required by the standards. Note! The MDNS responder does not have all features required by the standards.
See notes in src/core/mdns.c for what is left. It is however usable in normal See notes in src/apps/mdns/mdns.c for what is left. It is however usable in normal
cases - but watch out if many devices on the same network try to use the same cases - but watch out if many devices on the same network try to use the same
host/service instance names. host/service instance names.
@ -17,7 +17,7 @@ MDNS supports using IPv4 only, v6 only, or v4+v6.
To enable MDNS responder, set To enable MDNS responder, set
LWIP_MDNS = 1 LWIP_MDNS = 1
in lwipopts.h and add src/core/mdns.c to your list of files to build. in lwipopts.h and add src/apps/mdns/mdns.c to your list of files to build.
The max number of services supported per netif is defined by MDNS_MAX_SERVICES, The max number of services supported per netif is defined by MDNS_MAX_SERVICES,
default is 1. default is 1.

6
src/apps/mdns/mdns.c
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@ -1890,7 +1890,7 @@ mdns_resp_init(void)
* @return ERR_OK if netif was added, an err_t otherwise * @return ERR_OK if netif was added, an err_t otherwise
*/ */
err_t err_t
mdns_resp_add_netif(struct netif *netif, char *hostname, u32_t dns_ttl) mdns_resp_add_netif(struct netif *netif, const char *hostname, u32_t dns_ttl)
{ {
err_t res; err_t res;
@ -1985,7 +1985,7 @@ mdns_resp_remove_netif(struct netif *netif)
* @return ERR_OK if the service was added to the netif, an err_t otherwise * @return ERR_OK if the service was added to the netif, an err_t otherwise
*/ */
err_t err_t
mdns_resp_add_service(struct netif *netif, char *name, char *service, u16_t proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_data) mdns_resp_add_service(struct netif *netif, const char *name, const char *service, u16_t proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_data)
{ {
int i; int i;
int slot = -1; int slot = -1;
@ -2042,7 +2042,7 @@ mdns_resp_add_service(struct netif *netif, char *name, char *service, u16_t prot
* @return ERR_OK if the string was added to the reply, an err_t otherwise * @return ERR_OK if the string was added to the reply, an err_t otherwise
*/ */
err_t err_t
mdns_resp_add_service_txtitem(struct mdns_service *service, char *txt, int txt_len) mdns_resp_add_service_txtitem(struct mdns_service *service, const char *txt, int txt_len)
{ {
LWIP_ASSERT("mdns_resp_add_service: service != NULL", service); LWIP_ASSERT("mdns_resp_add_service: service != NULL", service);

6
src/include/lwip/apps/mdns.h
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@ -47,12 +47,12 @@ struct mdns_service;
void mdns_resp_init(void); void mdns_resp_init(void);
err_t mdns_resp_add_netif(struct netif *netif, char *hostname, u32_t dns_ttl); err_t mdns_resp_add_netif(struct netif *netif, const char *hostname, u32_t dns_ttl);
err_t mdns_resp_remove_netif(struct netif *netif); err_t mdns_resp_remove_netif(struct netif *netif);
typedef void (*service_get_txt_fn_t)(struct mdns_service *service, void *txt_userdata); typedef void (*service_get_txt_fn_t)(struct mdns_service *service, void *txt_userdata);
err_t mdns_resp_add_service(struct netif *netif, char *name, char *service, u16_t proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_userdata); err_t mdns_resp_add_service(struct netif *netif, const char *name, const char *service, u16_t proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_userdata);
err_t mdns_resp_add_service_txtitem(struct mdns_service *service, char *txt, int txt_len); err_t mdns_resp_add_service_txtitem(struct mdns_service *service, const char *txt, int txt_len);
/* Domain struct and methods - visible for unit tests */ /* Domain struct and methods - visible for unit tests */