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avoid undefined behavior signed int overflow

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Trim21 2024-12-25 05:03:47 +08:00
parent db3e2379b9
commit 28cdde503b
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GPG Key ID: 809F01CFB0A797FB
1 changed files with 5 additions and 5 deletions
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6
src/modules/pickle.c
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@ -80,13 +80,13 @@ static void pkl__emit_int(PickleObject* buf, py_i64 val) {
pkl__emit_op(buf, PKL_INT_0 + val); pkl__emit_op(buf, PKL_INT_0 + val);
return; return;
} }
if((int8_t)val == val) { if(INT8_MIN <= val && val <= INT8_MAX) {
pkl__emit_op(buf, PKL_INT8); pkl__emit_op(buf, PKL_INT8);
PickleObject__write_bytes(buf, &val, 1); PickleObject__write_bytes(buf, &val, 1);
} else if((int16_t)val == val) { } else if(INT16_MIN <= val && val <= INT16_MAX) {
pkl__emit_op(buf, PKL_INT16); pkl__emit_op(buf, PKL_INT16);
PickleObject__write_bytes(buf, &val, 2); PickleObject__write_bytes(buf, &val, 2);
} else if((int32_t)val == val) { } else if(INT32_MIN <= val && val <= INT32_MAX) {
pkl__emit_op(buf, PKL_INT32); pkl__emit_op(buf, PKL_INT32);
PickleObject__write_bytes(buf, &val, 4); PickleObject__write_bytes(buf, &val, 4);
} else { } else {