void
svn_stringbuf_ensure(svn_stringbuf_t *str, apr_size_t minimum_size)
{
/* Keep doubling capacity until have enough. */
if (str->blocksize < minimum_size)
{
if (str->blocksize == 0)
str->blocksize = minimum_size;
else
while (str->blocksize < minimum_size)
{
apr_size_t prev_size = str->blocksize;
str->blocksize *= 2;
/* check for apr_size_t overflow */
if (prev_size > str->blocksize)
{
str->blocksize = minimum_size;
break;
}
}
str->data = (char *) my__realloc(str->data,
str->len + 1,
/* We need to maintain (and thus copy)
the trailing nul */
str->blocksize,
str->pool);
}
}
void
svn_stringbuf_ensure(svn_stringbuf_t *str, apr_size_t minimum_size)
{
/* Keep doubling capacity until have enough. */
if (str->blocksize < minimum_size)
{
if (str->blocksize == 0)
/* APR will increase odd allocation sizes to the next
* multiple for 8, for instance. Take advantage of that
* knowledge and allow for the extra size to be used. */
str->blocksize = APR_ALIGN_DEFAULT(minimum_size);
else
while (str->blocksize < minimum_size)
{
/* str->blocksize is aligned;
* doubling it should keep it aligned */
apr_size_t prev_size = str->blocksize;
str->blocksize *= 2;
/* check for apr_size_t overflow */
if (prev_size > str->blocksize)
{
str->blocksize = minimum_size;
break;
}
}
str->data = (char *) my__realloc(str->data,
str->len + 1,
/* We need to maintain (and thus copy)
the trailing nul */
str->blocksize,
str->pool);
}
}
