void *Hunk_HighAllocName (int size, char *name) {
hunk_t *h;
if (size < 0)
Sys_Error ("Hunk_HighAllocName: bad size: %i", size);
if (hunk_tempactive) {
Hunk_FreeToHighMark (hunk_tempmark);
hunk_tempactive = false;
}
#ifdef PARANOID
Hunk_Check ();
#endif
size = sizeof(hunk_t) + ((size+15)&~15);
if (hunk_size - hunk_low_used - hunk_high_used < size)
Sys_Error ("Hunk_HighAllocName: Not enough RAM allocated. Try using \"-mem 128\" on the ezQuake command line.");
hunk_high_used += size;
Cache_FreeHigh (hunk_high_used);
h = (hunk_t *) (hunk_base + hunk_size - hunk_high_used);
memset (h, 0, size);
h->size = size;
h->sentinal = HUNK_SENTINEL;
strlcpy (h->name, name, sizeof (h->name));
return (void *) (h + 1);
}
/*
* =====================
* Hunk_TempAllocExtend
*
* Extend the existing temp hunk allocation.
* Size is the number of extra bytes required
* =====================
*/
void *
Hunk_TempAllocExtend(int size)
{
hunk_t *old, *newobj;
if (!hunk_tempactive)
Sys_Error("%s: temp hunk not active", __func__);
old = (hunk_t *)(hunk_base + hunk_size - hunk_high_used);
if (old->sentinal != HUNK_SENTINAL)
Sys_Error("%s: old sentinal trashed\n", __func__);
if (strncmp(old->name, "temp", HUNK_NAMELEN))
Sys_Error("%s: old hunk name trashed\n", __func__);
size = (size + 15) & ~15;
if (hunk_size - hunk_low_used - hunk_high_used < size) {
Con_Printf("%s: failed on %i bytes\n", __func__, size);
return NULL;
}
hunk_high_used += size;
Cache_FreeHigh(hunk_high_used);
newobj = (hunk_t *)(hunk_base + hunk_size - hunk_high_used);
memmove(newobj, old, sizeof(hunk_t));
newobj->size += size;
return (void *)(newobj + 1);
}
/*
===================
Hunk_HighAllocName
===================
*/
void *Hunk_HighAllocName (int size, const char *name)
{
hunk_t *h;
if (size < 0)
Sys_Error ("Hunk_HighAllocName: bad size: %i", size);
if (hunk_tempactive)
{
Hunk_FreeToHighMark (hunk_tempmark);
hunk_tempactive = false;
}
#ifdef PARANOID
Hunk_Check ();
#endif
size = sizeof(hunk_t) + ((size+15)&~15);
if (hunk_size - hunk_low_used - hunk_high_used < size)
{
Con_Printf ("Hunk_HighAlloc: failed on %i bytes\n",size);
return NULL;
}
hunk_high_used += size;
Cache_FreeHigh (hunk_high_used);
h = (hunk_t *)(hunk_base + hunk_size - hunk_high_used);
memset (h, 0, size);
h->size = size;
h->sentinal = HUNK_SENTINAL;
strncpy (h->name, name, 8);
return (void *)(h+1);
}