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FFI: Fix cdata equality comparison against strings.

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This commit is contained in:
Mike Pall 2014-04-08 12:10:51 +02:00
parent 111b2e8711
commit 4ed3ee1f04
2 changed files with 5 additions and 3 deletions
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4
src/lj_carith.c
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@ -62,7 +62,7 @@ static int carith_checkarg(lua_State *L, CTState *cts, CDArith *ca)
TValue *o2 = i == 0 ? o+1 : o-1;
CType *ct = ctype_raw(cts, cdataV(o2)->ctypeid);
ca->ct[i] = NULL;
ca->p[i] = NULL;
ca->p[i] = (uint8_t *)strVdata(o);
ok = 0;
if (ctype_isenum(ct->info)) {
CTSize ofs;
@ -73,7 +73,7 @@ static int carith_checkarg(lua_State *L, CTState *cts, CDArith *ca)
ok = 1;
} else {
ca->ct[1-i] = ct; /* Use enum to improve error message. */
ca->p[1-i] = (void *)(intptr_t)1; /* To make it unequal. */
ca->p[1-i] = NULL;
break;
}
}

4
src/lj_crecord.c
View File

@ -1421,7 +1421,9 @@ void LJ_FASTCALL recff_cdata_arith(jit_State *J, RecordFFData *rd)
ct = ctype_child(cts, cct);
tr = lj_ir_kint(J, (int32_t)ofs);
} /* else: interpreter will throw. */
} /* else: interpreter will throw. */
} else {
tr = emitir(IRT(IR_ADD, IRT_PTR), tr, lj_ir_kintp(J, sizeof(GCstr)));
}
} else if (!tref_isnum(tr)) {
tr = 0;
}