#define lmem_c
#define LUA_CORE
#include "lprefix.h"
#include <stddef.h>
#include "lua.h"
#include "ldebug.h"
#include "ldo.h"
#include "lgc.h"
#include "lmem.h"
#include "lobject.h"
#include "lstate.h"
#define MINSIZEARRAY 4
void *luaM_growaux_ (lua_State *L, void *block, int *size, size_t size_elems,
int limit, const char *what) {
void *newblock;
int newsize;
if (*size >= limit/2) {
if (*size >= limit)
luaG_runerror(L, "too many %s (limit is %d)", what, limit);
newsize = limit;
}
else {
newsize = (*size)*2;
if (newsize < MINSIZEARRAY)
newsize = MINSIZEARRAY;
}
newblock = luaM_reallocv(L, block, *size, newsize, size_elems);
*size = newsize;
return newblock;
}
l_noret luaM_toobig (lua_State *L) {
luaG_runerror(L, "memory allocation error: block too big");
}
void *luaM_realloc_ (lua_State *L, void *block, size_t osize, size_t nsize) {
void *newblock;
global_State *g = G(L);
size_t realosize = (block) ? osize : 0;
lua_assert((realosize == 0) == (block == NULL));
#if defined(HARDMEMTESTS)
if (nsize > realosize && g->gcrunning)
luaC_fullgc(L, 1);
#endif
newblock = (*g->frealloc)(g->ud, block, osize, nsize);
if (newblock == NULL && nsize > 0) {
lua_assert(nsize > realosize);
if (g->version) {
luaC_fullgc(L, 1);
newblock = (*g->frealloc)(g->ud, block, osize, nsize);
}
if (newblock == NULL)
luaD_throw(L, LUA_ERRMEM);
}
lua_assert((nsize == 0) == (newblock == NULL));
g->GCdebt = (g->GCdebt + nsize) - realosize;
return newblock;
}