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gallium/auxiliary: fix util_dynarray_trim to 0 to free the data

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This works better and preserves the
data != 0 if and only if capacity != 0 invariant.
This commit is contained in:
Luca Barbieri 2010-04-13 08:18:59 +02:00
parent 5f968a64dc
commit c572619817
1 changed files with 8 additions and 2 deletions
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10
src/gallium/auxiliary/util/u_dynarray.h
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@ -81,8 +81,14 @@ util_dynarray_grow(struct util_dynarray *buf, int size)
static INLINE void
util_dynarray_trim(struct util_dynarray *buf)
{
buf->data = REALLOC(buf->data, buf->capacity, buf->size);
buf->capacity = buf->size;
if(buf->size) {
buf->data = REALLOC(buf->data, buf->capacity, buf->size);
buf->capacity = buf->size;
} else {
FREE(buf->data);
buf->data = 0;
buf->capacity = 0;
}
}
#define util_dynarray_append(buf, type, v) do {type __v = (v); memcpy(util_dynarray_grow((buf), sizeof(type)), &__v, sizeof(type));} while(0)