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Silence warning about using a pointer after realloc, take offset of match before

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This commit is contained in:
Dirk Engling 2025-04-25 21:49:53 +02:00
parent c854b3db9b
commit 123e8aa1b9
1 changed files with 6 additions and 3 deletions
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9
ot_vector.c
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@ -67,12 +67,15 @@ void *vector_find_or_insert(ot_vector *vector, void *key, size_t member_size, si
return match;
if (vector->size + 1 > vector->space) {
size_t new_space = vector->space ? OT_VECTOR_GROW_RATIO * vector->space : OT_VECTOR_MIN_MEMBERS;
uint8_t *new_data = realloc(vector->data, new_space * member_size);
size_t new_space = vector->space ? OT_VECTOR_GROW_RATIO * vector->space : OT_VECTOR_MIN_MEMBERS;
ptrdiff_t match_off = match - (uint8_t *)vector->data;
uint8_t *new_data = realloc(vector->data, new_space * member_size);
if (!new_data)
return NULL;
/* Adjust pointer if it moved by realloc */
match = new_data + (match - (uint8_t *)vector->data);
match = new_data + match_off;
vector->data = new_data;
vector->space = new_space;