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This commit is contained in:
Dominik Maier
2020-03-28 12:59:41 +01:00
parent 81873d97f8
commit 98545f30aa
4 changed files with 20 additions and 14 deletions
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9
include/alloc-inl.h
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@ -771,7 +771,9 @@ static inline void TRK_ck_free(void *ptr, const char *file, const char *func,
@return The rounded up power of 2 (if no overflow) or 0 on overflow.
*/
static inline size_t next_pow2(size_t in) {
if (in == 0 || in > (size_t)-1) return 0; /* avoid undefined behaviour under-/overflow */
if (in == 0 || in > (size_t)-1)
return 0; /* avoid undefined behaviour under-/overflow */
size_t out = in - 1;
out |= out >> 1;
out |= out >> 2;
@ -779,6 +781,7 @@ static inline size_t next_pow2(size_t in) {
out |= out >> 8;
out |= out >> 16;
return out + 1;
}
/* This function makes sure *size is > size_needed after call.
@ -804,9 +807,7 @@ static inline void *ck_maybe_grow(void **buf, size_t *size,
size_t next_size = next_pow2(size_needed);
/* handle overflow */
if (!next_size) {
next_size = size_needed;
}
if (!next_size) { next_size = size_needed; }
/* alloc */
*buf = ck_realloc(*buf, next_size);