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Cast signed pointer offset to ptrdiff_t before performing arithmetic

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Affects 32-bit platforms.
This commit is contained in:
Aleksi Hannula 2026-02-05 09:31:11 +02:00
parent c937095552
commit 5ad52cc1ed
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1 changed files with 3 additions and 0 deletions
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3
tccgen.c
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@ -3097,6 +3097,9 @@ op_err:
#endif #endif
type1 = vtop[-1].type; type1 = vtop[-1].type;
vpush_type_size(pointed_type(&vtop[-1].type), &align); vpush_type_size(pointed_type(&vtop[-1].type), &align);
if (!(vtop[-1].type.t & VT_UNSIGNED)) {
gen_cast_s(VT_PTRDIFF_T);
}
gen_op('*'); gen_op('*');
#ifdef CONFIG_TCC_BCHECK #ifdef CONFIG_TCC_BCHECK
if (tcc_state->do_bounds_check && !CONST_WANTED) { if (tcc_state->do_bounds_check && !CONST_WANTED) {