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Fix: overflow of signed integer results in undefined behaviour
[babeltrace.git]
/
formats
/
ctf
/
writer
/
event-fields.c
diff --git
a/formats/ctf/writer/event-fields.c
b/formats/ctf/writer/event-fields.c
index c49bc3fa6dc1bca5b325b1be872480c9e68a1487..1ffbd4a350b53741b00523f4f392fbc2934872c7 100644
(file)
--- a/
formats/ctf/writer/event-fields.c
+++ b/
formats/ctf/writer/event-fields.c
@@
-524,8
+524,8
@@
int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field,
}
size = integer_type->declaration.len;
}
size = integer_type->declaration.len;
- min_value = -(
(int64_t)1
<< (size - 1));
- max_value = (
(int64_t)1
<< (size - 1)) - 1;
+ min_value = -(
1ULL
<< (size - 1));
+ max_value = (
1ULL
<< (size - 1)) - 1;
if (value < min_value || value > max_value) {
ret = -1;
goto end;
if (value < min_value || value > max_value) {
ret = -1;
goto end;
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