static struct Ebl_GStrent *
newstring (struct Ebl_GStrtab *st, const char *str, size_t len)
{
/* Compute the amount of padding needed to make the structure aligned. */
size_t align = ((__alignof__ (struct Ebl_GStrent)
- (((uintptr_t) st->backp)
& (__alignof__ (struct Ebl_GStrent) - 1)))
& (__alignof__ (struct Ebl_GStrent) - 1));
/* Make sure there is enough room in the memory block. */
if (st->left < align + sizeof (struct Ebl_GStrent) + len * st->width)
{
morememory (st, sizeof (struct Ebl_GStrent) + len * st->width);
align = 0;
}
/* Create the reserved string. */
struct Ebl_GStrent *newstr = (struct Ebl_GStrent *) (st->backp + align);
newstr->string = str;
newstr->len = len;
newstr->width = st->width;
newstr->next = NULL;
newstr->left = NULL;
newstr->right = NULL;
newstr->offset = 0;
for (int i = len - 2; i >= 0; --i)
for (int j = st->width - 1; j >= 0; --j)
newstr->reverse[i * st->width + j] = str[(len - 2 - i) * st->width + j];
for (size_t j = 0; j < st->width; ++j)
newstr->reverse[(len - 1) * st->width + j] = '\0';
st->backp += align + sizeof (struct Ebl_GStrent) + len * st->width;
st->left -= align + sizeof (struct Ebl_GStrent) + len * st->width;
return newstr;
}
static struct Ebl_WStrent *
newstring (struct Ebl_WStrtab *st, const wchar_t *str, size_t len)
{
struct Ebl_WStrent *newstr;
size_t align;
int i;
/* Compute the amount of padding needed to make the structure aligned. */
align = ((__alignof__ (struct Ebl_WStrent)
- (((uintptr_t) st->backp)
& (__alignof__ (struct Ebl_WStrent) - 1)))
& (__alignof__ (struct Ebl_WStrent) - 1));
/* Make sure there is enough room in the memory block. */
if (st->left < align + sizeof (struct Ebl_WStrent) + len * sizeof (wchar_t))
{
if (morememory (st,
sizeof (struct Ebl_WStrent) + len * sizeof (wchar_t)))
return NULL;
align = 0;
}
/* Create the reserved string. */
newstr = (struct Ebl_WStrent *) (st->backp + align);
newstr->string = str;
newstr->len = len;
newstr->next = NULL;
newstr->left = NULL;
newstr->right = NULL;
newstr->offset = 0;
for (i = len - 2; i >= 0; --i)
newstr->reverse[i] = str[len - 2 - i];
newstr->reverse[len - 1] = L'\0';
st->backp += align + sizeof (struct Ebl_WStrent) + len * sizeof (wchar_t);
st->left -= align + sizeof (struct Ebl_WStrent) + len * sizeof (wchar_t);
return newstr;
}
