Lines Matching full:pstack
8 #include "pstack.h"
15 struct pstack {
21 struct pstack *pstack__new(unsigned short max_nr_entries)
23 struct pstack *pstack = zalloc((sizeof(*pstack) +
25 if (pstack != NULL)
26 pstack->max_nr_entries = max_nr_entries;
27 return pstack;
30 void pstack__delete(struct pstack *pstack)
32 free(pstack);
35 bool pstack__empty(const struct pstack *pstack)
37 return pstack->top == 0;
40 void pstack__remove(struct pstack *pstack, void *key)
42 unsigned short i = pstack->top, last_index = pstack->top - 1;
45 if (pstack->entries[i] == key) {
47 memmove(pstack->entries + i,
48 pstack->entries + i + 1,
50 --pstack->top;
54 pr_err("%s: %p not on the pstack!\n", __func__, key);
57 void pstack__push(struct pstack *pstack, void *key)
59 if (pstack->top == pstack->max_nr_entries) {
60 pr_err("%s: top=%d, overflow!\n", __func__, pstack->top);
63 pstack->entries[pstack->top++] = key;
66 void *pstack__pop(struct pstack *pstack)
70 if (pstack->top == 0) {
75 ret = pstack->entries[--pstack->top];
76 pstack->entries[pstack->top] = NULL;
80 void *pstack__peek(struct pstack *pstack)
82 if (pstack->top == 0)
84 return pstack->entries[pstack->top - 1];