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Rev | Author | Line No. | Line |
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5205 | clevermous | 1 | /* |
2 | ** $Id: lmem.h,v 1.38 2011/12/02 13:26:54 roberto Exp $ |
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3 | ** Interface to Memory Manager |
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4 | ** See Copyright Notice in lua.h |
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5 | */ |
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6 | |||
7 | #ifndef lmem_h |
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8 | #define lmem_h |
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9 | |||
10 | |||
11 | #include |
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12 | |||
13 | #include "llimits.h" |
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14 | #include "lua.h" |
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15 | |||
16 | |||
17 | #define luaM_reallocv(L,b,on,n,e) \ |
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18 | ((cast(size_t, (n)+1) > MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \ |
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19 | (luaM_toobig(L), (void *)0) : \ |
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20 | luaM_realloc_(L, (b), (on)*(e), (n)*(e))) |
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21 | |||
22 | #define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0) |
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23 | #define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0) |
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24 | #define luaM_freearray(L, b, n) luaM_reallocv(L, (b), n, 0, sizeof((b)[0])) |
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25 | |||
26 | #define luaM_malloc(L,s) luaM_realloc_(L, NULL, 0, (s)) |
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27 | #define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t))) |
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28 | #define luaM_newvector(L,n,t) \ |
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29 | cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t))) |
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30 | |||
31 | #define luaM_newobject(L,tag,s) luaM_realloc_(L, NULL, tag, (s)) |
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32 | |||
33 | #define luaM_growvector(L,v,nelems,size,t,limit,e) \ |
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34 | if ((nelems)+1 > (size)) \ |
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35 | ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e))) |
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36 | |||
37 | #define luaM_reallocvector(L, v,oldn,n,t) \ |
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38 | ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t)))) |
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39 | |||
40 | LUAI_FUNC l_noret luaM_toobig (lua_State *L); |
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41 | |||
42 | /* not to be called directly */ |
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43 | LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize, |
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44 | size_t size); |
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45 | LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size, |
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46 | size_t size_elem, int limit, |
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47 | const char *what); |
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48 | |||
49 | #endif |
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50 |