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Fix embedded bytecode loader.

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This commit is contained in:
Mike Pall
2020-01-13 14:28:43 +01:00
parent 45a7e5073c
commit 8203399601
3 changed files with 8 additions and 1 deletions
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5
src/lj_lex.c
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@@ -49,6 +49,10 @@ static int fillbuf(LexState *ls)
size_t sz;
const char *buf = ls->rfunc(ls->L, ls->rdata, &sz);
if (buf == NULL || sz == 0) return END_OF_STREAM;
if (sz >= LJ_MAX_MEM) {
if (sz != ~(size_t)0) lj_err_mem(ls->L);
ls->endmark = 1;
}
ls->n = (MSize)sz - 1;
ls->p = buf;
return char2int(*(ls->p++));
@@ -382,6 +386,7 @@ int lj_lex_setup(lua_State *L, LexState *ls)
ls->lookahead = TK_eof; /* No look-ahead token. */
ls->linenumber = 1;
ls->lastline = 1;
ls->endmark = 0;
lj_str_resizebuf(ls->L, &ls->sb, LJ_MIN_SBUF);
next(ls); /* Read-ahead first char. */
if (ls->current == 0xef && ls->n >= 2 && char2int(ls->p[0]) == 0xbb &&