/* Set the value of an NVRAM variable. Should be locked. */
int
BCMINITFN(_nvram_set)(const char *name, const char *value)
{
uint i;
struct nvram_tuple *t, *u, **prev;
/* Hash the name */
i = hash(name) % ARRAYSIZE(nvram_hash);
/* Find the associated tuple in the hash table */
for (prev = &nvram_hash[i], t = *prev; t && strcmp(t->name, name);
prev = &t->next, t = *prev);
/* (Re)allocate tuple */
if (!(u = _nvram_realloc(t, name, value)))
return -12; /* -ENOMEM */
/* Value reallocated */
if (t && t == u)
return 0;
/* Move old tuple to the dead table */
if (t) {
*prev = t->next;
t->next = nvram_dead;
nvram_dead = t;
}
/* Add new tuple to the hash table */
u->next = nvram_hash[i];
nvram_hash[i] = u;
return 0;
}
/* Set the value of an NVRAM variable. */
int hash_nvram_set(nvram_handle_t *h, const char *name, const char *value)
{
uint32_t i;
nvram_tuple_t *t, *u, **prev;
/* Hash the name */
i = hash(name) % NVRAM_ARRAYSIZE(h->nvram_hash);
/* Find the associated tuple in the hash table */
for (prev = &h->nvram_hash[i], t = *prev;
t && strcmp(t->name, name); prev = &t->next, t = *prev);
/* (Re)allocate tuple */
if (!(u = _nvram_realloc(h, t, name, value)))
return -12; /* -ENOMEM */
/* Value reallocated */
if (t && t == u)
return 0;
/* Move old tuple to the dead table */
if (t) {
*prev = t->next;
t->next = h->nvram_dead;
h->nvram_dead = t;
}
/* Add new tuple to the hash table */
u->next = h->nvram_hash[i];
h->nvram_hash[i] = u;
return 0;
}
