mirror of https://github.com/lua/lua
Strings inside Lua are not fully aligned
Removed code to ensure that strings inside Lua (as returned by 'lua_tolstring') always start in fully aligned addresses. Since version 5.3 the documentation does not ensure that.
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10
lobject.h
10
lobject.h
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@ -350,21 +350,13 @@ typedef struct TString {
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} TString;
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/*
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** Ensures that address after this type is always fully aligned.
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*/
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typedef union UTString {
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LUAI_MAXALIGN; /* ensures maximum alignment for strings */
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TString tsv;
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} UTString;
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/*
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** Get the actual string (array of bytes) from a 'TString'.
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** (Access to 'extra' ensures that value is really a 'TString'.)
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*/
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#define getstr(ts) \
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check_exp(sizeof((ts)->extra), cast_charp((ts)) + sizeof(UTString))
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check_exp(sizeof((ts)->extra), cast_charp((ts)) + sizeof(TString))
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/* get the actual string (array of bytes) from a Lua value */
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@ -19,7 +19,7 @@
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#define MEMERRMSG "not enough memory"
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#define sizelstring(l) (sizeof(union UTString) + ((l) + 1) * sizeof(char))
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#define sizelstring(l) (sizeof(TString) + ((l) + 1) * sizeof(char))
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#define luaS_newliteral(L, s) (luaS_newlstr(L, "" s, \
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(sizeof(s)/sizeof(char))-1))
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