MSVSphere Packaging Team
2 years ago
parent
8e4713dff9
commit
499e208be4
@ -0,0 +1,51 @@
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diff -up lua-5.4.2/src/ldebug.c.orig lua-5.4.2/src/ldebug.c
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--- lua-5.4.2/src/ldebug.c.orig 2020-11-13 16:32:00.000000000 +0100
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+++ lua-5.4.2/src/ldebug.c 2022-10-21 14:35:02.200941813 +0200
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@@ -772,8 +772,11 @@ l_noret luaG_runerror (lua_State *L, con
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va_start(argp, fmt);
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msg = luaO_pushvfstring(L, fmt, argp); /* format message */
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va_end(argp);
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- if (isLua(ci)) /* if Lua function, add source:line information */
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+ if (isLua(ci)) { /* if Lua function, add source:line information */
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luaG_addinfo(L, msg, ci_func(ci)->p->source, getcurrentline(ci));
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+ setobjs2s(L, L->top - 2, L->top - 1); /* remove 'msg' from the stack */
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+ L->top--;
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+ }
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luaG_errormsg(L);
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}
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diff -up lua-5.4.2/src/lvm.c.orig lua-5.4.2/src/lvm.c
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--- lua-5.4.2/src/lvm.c.orig 2020-11-13 16:32:02.000000000 +0100
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+++ lua-5.4.2/src/lvm.c 2022-10-21 14:35:31.713755890 +0200
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@@ -641,7 +641,7 @@ void luaV_concat (lua_State *L, int tota
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int n = 2; /* number of elements handled in this pass (at least 2) */
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if (!(ttisstring(s2v(top - 2)) || cvt2str(s2v(top - 2))) ||
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!tostring(L, s2v(top - 1)))
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- luaT_tryconcatTM(L);
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+ luaT_tryconcatTM(L); /* may invalidate 'top' */
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else if (isemptystr(s2v(top - 1))) /* second operand is empty? */
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cast_void(tostring(L, s2v(top - 2))); /* result is first operand */
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else if (isemptystr(s2v(top - 2))) { /* first operand is empty string? */
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@@ -654,8 +654,10 @@ void luaV_concat (lua_State *L, int tota
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/* collect total length and number of strings */
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for (n = 1; n < total && tostring(L, s2v(top - n - 1)); n++) {
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size_t l = vslen(s2v(top - n - 1));
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- if (unlikely(l >= (MAX_SIZE/sizeof(char)) - tl))
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+ if (unlikely(l >= (MAX_SIZE/sizeof(char)) - tl)) {
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+ L->top = top - total; /* pop strings to avoid wasting stack */
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luaG_runerror(L, "string length overflow");
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+ }
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tl += l;
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}
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if (tl <= LUAI_MAXSHORTLEN) { /* is result a short string? */
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@@ -669,8 +671,8 @@ void luaV_concat (lua_State *L, int tota
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}
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setsvalue2s(L, top - n, ts); /* create result */
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}
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- total -= n-1; /* got 'n' strings to create 1 new */
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- L->top -= n-1; /* popped 'n' strings and pushed one */
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+ total -= n - 1; /* got 'n' strings to create one new */
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+ L->top -= n - 1; /* popped 'n' strings and pushed one */
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} while (total > 1); /* repeat until only 1 result left */
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}
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