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sys/net/netif: allow const in netif_iter()

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For consistency with `gnrc_netif_iter()`, add the `const` qualifier to the
parameter of `netif_iter()`. This allows calling it on `const` pointers without
having to cast `netif_t *`, which (apart of dropping the `const` qualifier)
disables a lot of type safety checks offered by the compiler.
This commit is contained in:
Marian Buschsieweke 2021-01-13 09:59:26 +01:00
parent be09ba67a6
commit 581aa6b70b
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GPG Key ID: CB8E3238CE715A94
2 changed files with 2 additions and 2 deletions
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2
sys/include/net/netif.h
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@ -84,7 +84,7 @@ typedef struct {
* @return next network interface. * @return next network interface.
* @return NULL, if there is no interface after @p last * @return NULL, if there is no interface after @p last
*/ */
netif_t *netif_iter(netif_t *last); netif_t *netif_iter(const netif_t *last);
/** /**
* @brief Gets name of an interface * @brief Gets name of an interface

2
sys/net/netif/netif.c
View File

@ -36,7 +36,7 @@ int netif_register(netif_t *netif)
return 0; return 0;
} }
netif_t *netif_iter(netif_t *last) netif_t *netif_iter(const netif_t *last)
{ {
if (last == NULL) { if (last == NULL) {
return (netif_t *)netif_list.next; return (netif_t *)netif_list.next;