diff options
Diffstat (limited to 'tools/perf/util/pstack.c')
-rw-r--r-- | tools/perf/util/pstack.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/tools/perf/util/pstack.c b/tools/perf/util/pstack.c index 13d36fa..daa17ae 100644 --- a/tools/perf/util/pstack.c +++ b/tools/perf/util/pstack.c @@ -17,59 +17,59 @@ struct pstack { struct pstack *pstack__new(unsigned short max_nr_entries) { - struct pstack *self = zalloc((sizeof(*self) + - max_nr_entries * sizeof(void *))); - if (self != NULL) - self->max_nr_entries = max_nr_entries; - return self; + struct pstack *pstack = zalloc((sizeof(*pstack) + + max_nr_entries * sizeof(void *))); + if (pstack != NULL) + pstack->max_nr_entries = max_nr_entries; + return pstack; } -void pstack__delete(struct pstack *self) +void pstack__delete(struct pstack *pstack) { - free(self); + free(pstack); } -bool pstack__empty(const struct pstack *self) +bool pstack__empty(const struct pstack *pstack) { - return self->top == 0; + return pstack->top == 0; } -void pstack__remove(struct pstack *self, void *key) +void pstack__remove(struct pstack *pstack, void *key) { - unsigned short i = self->top, last_index = self->top - 1; + unsigned short i = pstack->top, last_index = pstack->top - 1; while (i-- != 0) { - if (self->entries[i] == key) { + if (pstack->entries[i] == key) { if (i < last_index) - memmove(self->entries + i, - self->entries + i + 1, + memmove(pstack->entries + i, + pstack->entries + i + 1, (last_index - i) * sizeof(void *)); - --self->top; + --pstack->top; return; } } pr_err("%s: %p not on the pstack!\n", __func__, key); } -void pstack__push(struct pstack *self, void *key) +void pstack__push(struct pstack *pstack, void *key) { - if (self->top == self->max_nr_entries) { - pr_err("%s: top=%d, overflow!\n", __func__, self->top); + if (pstack->top == pstack->max_nr_entries) { + pr_err("%s: top=%d, overflow!\n", __func__, pstack->top); return; } - self->entries[self->top++] = key; + pstack->entries[pstack->top++] = key; } -void *pstack__pop(struct pstack *self) +void *pstack__pop(struct pstack *pstack) { void *ret; - if (self->top == 0) { + if (pstack->top == 0) { pr_err("%s: underflow!\n", __func__); return NULL; } - ret = self->entries[--self->top]; - self->entries[self->top] = NULL; + ret = pstack->entries[--pstack->top]; + pstack->entries[pstack->top] = NULL; return ret; } |