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allows memory-allocation errors when shrinking blocks

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Roberto Ierusalimschy 2017-12-11 16:55:31 -02:00
parent 7ad20af2cf
commit 3cf340f676
1 changed files with 3 additions and 2 deletions
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5
ltests.c
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@ -1,5 +1,5 @@
/*
** $Id: ltests.c,v 2.234 2017/12/07 18:51:39 roberto Exp roberto $
** $Id: ltests.c,v 2.235 2017/12/08 15:19:13 roberto Exp roberto $
** Internal Module for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
@ -141,7 +141,7 @@ void *debug_realloc (void *ud, void *b, size_t oldsize, size_t size) {
freeblock(mc, block);
return NULL;
}
if (mc->countlimit != ~0UL && size > oldsize) { /* count limit in use? */
if (mc->countlimit != ~0UL && size > 0) { /* count limit in use? */
if (mc->countlimit == 0)
return NULL; /* fake a memory allocation error */
mc->countlimit--;
@ -1001,6 +1001,7 @@ static int loadlib (lua_State *L) {
{"math", luaopen_math},
{"string", luaopen_string},
{"table", luaopen_table},
{"T", luaB_opentests},
{NULL, NULL}
};
lua_State *L1 = getstate(L);