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'lua_checkstack' doesn't need to check stack overflow

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'luaD_growstack' already checks that. This commit also fixes an
internal bug in 'luaD_growstack': a large 'n' could cause an arithmetic
overflow when computing 'needed'.
This commit is contained in:
Roberto Ierusalimschy
2022-05-23 10:38:03 -03:00
parent 42d40581dd
commit 4a00f61276
5 changed files with 17 additions and 26 deletions
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2
luaconf.h
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@@ -728,7 +728,7 @@
** CHANGE it if you need a different limit. This limit is arbitrary;
** its only purpose is to stop Lua from consuming unlimited stack
** space (and to reserve some numbers for pseudo-indices).
** (It must fit into max(size_t)/32.)
** (It must fit into max(size_t)/32 and max(int)/2.)
*/
#if LUAI_IS32INT
#define LUAI_MAXSTACK 1000000