aboutsummaryrefslogtreecommitdiff
path: root/lmem.h
diff options
context:
space:
mode:
Diffstat (limited to 'lmem.h')
-rw-r--r--lmem.h23
1 files changed, 14 insertions, 9 deletions
diff --git a/lmem.h b/lmem.h
index 3c828789..e98aabdb 100644
--- a/lmem.h
+++ b/lmem.h
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: lmem.h,v 1.44 2017/12/06 18:36:31 roberto Exp roberto $ 2** $Id: lmem.h,v 1.45 2017/12/07 18:59:52 roberto Exp roberto $
3** Interface to Memory Manager 3** Interface to Memory Manager
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -14,6 +14,9 @@
14#include "lua.h" 14#include "lua.h"
15 15
16 16
17#define luaM_error(L) luaD_throw(L, LUA_ERRMEM)
18
19
17/* 20/*
18** This macro tests whether it is safe to multiply 'n' by the size of 21** This macro tests whether it is safe to multiply 'n' by the size of
19** type 't' without overflows. Because 'e' is always constant, it avoids 22** type 't' without overflows. Because 'e' is always constant, it avoids
@@ -45,26 +48,26 @@
45** Arrays of chars do not need any test 48** Arrays of chars do not need any test
46*/ 49*/
47#define luaM_reallocvchar(L,b,on,n) \ 50#define luaM_reallocvchar(L,b,on,n) \
48 cast(char *, luaM_realloc(L, (b), (on)*sizeof(char), (n)*sizeof(char))) 51 cast(char *, luaM_saferealloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))
49 52
50#define luaM_freemem(L, b, s) luaM_free_(L, (b), (s)) 53#define luaM_freemem(L, b, s) luaM_free_(L, (b), (s))
51#define luaM_free(L, b) luaM_free_(L, (b), sizeof(*(b))) 54#define luaM_free(L, b) luaM_free_(L, (b), sizeof(*(b)))
52#define luaM_freearray(L, b, n) luaM_free_(L, (b), (n)*sizeof(*(b))) 55#define luaM_freearray(L, b, n) luaM_free_(L, (b), (n)*sizeof(*(b)))
53 56
54#define luaM_new(L,t) cast(t*, luaM_malloc(L, sizeof(t), 0)) 57#define luaM_new(L,t) cast(t*, luaM_malloc_(L, sizeof(t), 0))
55#define luaM_newvector(L,n,t) cast(t*, luaM_malloc(L, (n)*sizeof(t), 0)) 58#define luaM_newvector(L,n,t) cast(t*, luaM_malloc_(L, (n)*sizeof(t), 0))
56#define luaM_newvectorchecked(L,n,t) \ 59#define luaM_newvectorchecked(L,n,t) \
57 (luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t)) 60 (luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t))
58 61
59#define luaM_newobject(L,tag,s) luaM_malloc(L, (s), tag) 62#define luaM_newobject(L,tag,s) luaM_malloc_(L, (s), tag)
60 63
61#define luaM_growvector(L,v,nelems,size,t,limit,e) \ 64#define luaM_growvector(L,v,nelems,size,t,limit,e) \
62 ((v)=cast(t *, luaM_growaux_(L,v,nelems,&(size),sizeof(t), \ 65 ((v)=cast(t *, luaM_growaux_(L,v,nelems,&(size),sizeof(t), \
63 luaM_limitN(limit,t),e))) 66 luaM_limitN(limit,t),e)))
64 67
65#define luaM_reallocvector(L, v,oldn,n,t) \ 68#define luaM_reallocvector(L, v,oldn,n,t) \
66 ((v)=cast(t *, luaM_realloc(L, v, cast(size_t, oldn) * sizeof(t), \ 69 (cast(t *, luaM_realloc_(L, v, cast(size_t, oldn) * sizeof(t), \
67 cast(size_t, n) * sizeof(t)))) 70 cast(size_t, n) * sizeof(t))))
68 71
69#define luaM_shrinkvector(L,v,size,fs,t) \ 72#define luaM_shrinkvector(L,v,size,fs,t) \
70 ((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t)))) 73 ((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t))))
@@ -72,15 +75,17 @@
72LUAI_FUNC l_noret luaM_toobig (lua_State *L); 75LUAI_FUNC l_noret luaM_toobig (lua_State *L);
73 76
74/* not to be called directly */ 77/* not to be called directly */
75LUAI_FUNC void *luaM_realloc (lua_State *L, void *block, size_t oldsize, 78LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
76 size_t size); 79 size_t size);
80LUAI_FUNC void *luaM_saferealloc_ (lua_State *L, void *block, size_t oldsize,
81 size_t size);
77LUAI_FUNC void luaM_free_ (lua_State *L, void *block, size_t osize); 82LUAI_FUNC void luaM_free_ (lua_State *L, void *block, size_t osize);
78LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int nelems, 83LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int nelems,
79 int *size, int size_elem, int limit, 84 int *size, int size_elem, int limit,
80 const char *what); 85 const char *what);
81LUAI_FUNC void *luaM_shrinkvector_ (lua_State *L, void *block, int *nelem, 86LUAI_FUNC void *luaM_shrinkvector_ (lua_State *L, void *block, int *nelem,
82 int final_n, int size_elem); 87 int final_n, int size_elem);
83LUAI_FUNC void *luaM_malloc (lua_State *L, size_t size, int tag); 88LUAI_FUNC void *luaM_malloc_ (lua_State *L, size_t size, int tag);
84 89
85#endif 90#endif
86 91